MikroTik CRS305-1G-4S+IN in Dubai, UAE
A focused five-port desktop switch for businesses that need four SFP+ links, quiet fanless operation and a choice between straightforward switching management and the broader RouterOS toolset. FourTeck helps buyers confirm optics, cabling, compatibility, configuration and the complete quotation before purchase.
Plan the complete connection
Share the connected devices, link speeds, cable distances and preferred media. SFP and SFP+ modules are ordered separately.
Up to 10Gbps per port
Management or forwarding
RouterOS or SwitchOS
No fan noise
Confirm modules and cables
Direct answer for buyers
The MikroTik CRS305-1G-4S+IN is a compact managed switch built around four SFP+ cages and one Gigabit Ethernet interface. It is mainly used to connect servers, storage systems, workstations, routers or network segments at 10Gbps in a small, controlled deployment. It is worth considering when four high-speed links are sufficient and a silent desktop or wall-mounted form factor is preferable to a larger rack switch. Before proceeding, confirm whether every link will use fibre optics, direct-attach copper or an SFP-to-RJ45 module, because reach, heat, power draw and compatibility vary by module. Buyers should also confirm VLAN design, required management features, power method, redundancy expectations and installation scope.
What the CRS305 does
The CRS305 provides a small high-speed aggregation point. Four SFP+ ports can connect compatible 10 Gigabit Ethernet devices using suitable optical transceivers or direct-attach cables, while the copper Gigabit Ethernet port can provide management access or carry ordinary network traffic. Hardware switching is the primary strength of the platform. RouterOS adds a broad set of configuration tools, while SwitchOS offers a lighter interface aimed specifically at switching tasks.
This makes the switch useful where a buyer needs concentrated 10GbE connectivity rather than a large access-layer port count. It can sit between a storage appliance and several servers, connect high-performance editing workstations, aggregate small virtualisation hosts, provide a lab backbone, or introduce a 10Gbps uplink between two parts of a network.
Who should consider it
The model may suit small and medium businesses, technical teams, system integrators, training labs, media studios, surveillance infrastructure projects, managed service providers and advanced office networks that can use four high-speed ports effectively. It is particularly attractive when silence and compact dimensions are operational requirements.
It is less suitable when the project requires many copper access ports, native PoE output for endpoints, a large number of 10GbE devices, hot-swappable power supplies, enterprise chassis redundancy or extensive routing performance. In those situations, a larger MikroTik Cloud Router Switch or another switching platform should be evaluated instead of stretching this compact model beyond its intended role.
Business challenges this compact switch can address
Limited 10GbE port availability
A router, server or existing switch may provide only one high-speed port. The CRS305 can create a small 10GbE switching domain for several devices without replacing the entire access network.
Noisy equipment near users
Passive cooling removes fan noise, which can matter in studios, meeting rooms, offices and laboratories. Thermal planning remains important, especially with copper SFP+ modules.
Mixed management preferences
Teams can choose SwitchOS for a focused switch interface or RouterOS when broader configuration, monitoring and Layer 3 functions are required.
Small deployment footprint
The metal desktop enclosure can fit where rack space is limited. Wall or surface placement should preserve airflow and provide orderly cable support.
Core capability band
Four high-speed cages
Each SFP+ cage can support a compatible 10GbE connection, and supported 1.25Gb SFP modules can also be used where the design needs a Gigabit fibre link.
Hardware switching focus
The switching silicon is designed to move traffic between ports efficiently. Configuration choices can affect results, so advanced filters and routing should be planned carefully.
Flexible powering
The unit accepts power through two DC jacks or the Ethernet port. Redundant DC input planning can improve power-path resilience when separate supplies are used correctly.
Quiet metal enclosure
The fanless design avoids mechanical fan noise and reduces moving parts, while the metal case supports a compact professional installation.
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Small 10GbE aggregation | Four SFP+ ports cover the planned devices and uplinks. | Count present links and realistic expansion for the next project phase. |
| Quiet office or studio | Fanless operation is important and ambient airflow is available. | Module heat, enclosure placement and surrounding temperature. |
| Fibre or DAC links | Endpoints have compatible SFP/SFP+ interfaces. | Connector type, wavelength, fibre mode, cable length and module compatibility. |
| Advanced configuration | The team can manage RouterOS or has configuration support. | VLANs, bridges, routing, access security and management method. |
| Power resilience | Two independent DC sources can be arranged. | Supply voltage, adapter ratings, PoE source and installation design. |
Verified technical information
| Brand | MikroTik |
|---|---|
| Product code | CRS305-1G-4S+IN |
| Product type | Five-port desktop Cloud Router Switch |
| Architecture and CPU | ARM 32-bit, dual-core 98DX3236 at 800MHz |
| Memory and storage | 512MB RAM, 16MB flash storage |
| SFP+ ports | 4 × SFP+ cages, supporting compatible 10GbE SFP+ and 1.25Gb SFP modules |
| Copper Ethernet | 1 × 10/100/1000 Ethernet port |
| Operating systems | RouterOS and SwitchOS dual boot |
| RouterOS license | Level 5, preinstalled |
| Power inputs | Two DC jacks plus PoE-in through the Ethernet port; 12–57V input range |
| PoE-in | 802.3af/at; power-source compatibility must be confirmed |
| Maximum power consumption | Up to 18W with attachments; 10W without attachments according to current manufacturer specifications |
| Cooling | Passive, fanless |
| Dimensions | 141 × 115 × 28mm |
| Tested ambient temperature | -40°C to 70°C under manufacturer test conditions |
| Enclosure and ingress rating | Metal indoor enclosure, IP20 |
| Included component | 24V 0.8A power adapter; package contents should be reconfirmed for the supplied region |
| SFP/SFP+ modules | Not included; selected separately according to link type and distance |
| Availability | Contact FourTeck to confirm current UAE availability, quantity and lead time |
Compatibility and dependency notice
The switch does not include optical transceivers or direct-attach cables. A working order therefore requires more than the base unit. Each link must be matched to the port type on the connected device, required speed, fibre type, connector, distance and environmental conditions. Multimode and single-mode optics are not interchangeable, and two ends of an optical link must use compatible standards and wavelengths. Direct-attach copper cables are often practical for short same-rack links, while optical modules are generally chosen for longer distances or electrical isolation.
SFP+ copper RJ45 modules can introduce higher power consumption and heat than fibre modules or passive direct-attach cables. In a fanless enclosure, module density and ventilation deserve specific attention. Compatibility should be checked against MikroTik guidance and the connected equipment vendor. Configuration features also depend on the selected operating system and software version. RouterOS can provide broader routing and policy functions, but complex CPU-based processing should not be assumed to perform like hardware-switched traffic. FourTeck can help separate hardware switching requirements from routing or firewall workloads before the design is finalised.
A practical purchase and deployment journey
Map every intended link
List the server, storage appliance, workstation, router or upstream switch connected to each port. Record the interface speed and available transceiver type at both ends.
Choose media and distance
Decide whether each connection will use a passive DAC, active cable, multimode optic, single-mode optic or copper RJ45 module. Confirm connector type and installed cabling.
Define switching logic
Document VLANs, tagged and untagged ports, link aggregation, management access, spanning-tree requirements and any traffic isolation. Choose RouterOS or SwitchOS accordingly.
Confirm power and placement
Select DC, redundant DC or PoE-in powering. Check that the placement is indoors, ventilated, protected from moisture and arranged so cables do not strain the SFP+ cages.
Build and verify the bill of materials
Include the switch, appropriate modules or cables, power accessories, fibre patch cords, mounting items and configuration services. Verify quantities before the quotation is approved.
Configure, test and document
Update software, secure administrator access, apply the approved configuration and test every link at the intended speed. Save configuration backups and record port assignments for future support.
High-speed switching without a large chassis
The central attraction of the CRS305 is its concentration of four SFP+ ports in a compact enclosure. Many small networks do not need twenty-four or forty-eight 10GbE interfaces. They need only a few high-speed connections between devices that exchange large amounts of data. Examples include a backup server copying data to network-attached storage, two virtualisation hosts accessing shared storage, a video editing workstation reading source files from a media server, or a router handing traffic to a small group of high-capacity systems.
In these cases, buying a larger switch can add cost, rack space, fan noise and unused ports. The CRS305 offers a more focused design, but the four-port limit should be viewed realistically. One SFP+ port may be consumed by an uplink, leaving three for endpoints. Redundant uplinks or link aggregation can reduce the remaining access count further. The buyer should therefore map the topology rather than counting only the number of devices currently on the desk. A modest amount of future growth may justify moving to an eight-port or larger model at the beginning.
The manufacturer publishes non-blocking Layer 1 switching throughput of 41Gbps and capacity of 82Gbps under its stated test conditions. These values describe the switching fabric rather than every possible RouterOS feature combination. Hardware-offloaded bridging is the appropriate design focus when the goal is efficient multiport switching. CPU-intensive routing, filtering or queueing can produce different results. FourTeck can review whether the project is fundamentally a switch requirement or whether a separate router or firewall should handle advanced packet processing.
Choosing between RouterOS and SwitchOS
Dual boot gives the buyer two operational approaches on the same hardware. SwitchOS is intended for switch-specific administration and may be preferred by teams that want a direct web interface for VLANs, port settings, link aggregation, monitoring and related switching tasks. RouterOS provides the broader MikroTik operating environment, including bridging, routing, management services, automation options and many network tools. The right choice depends less on which platform has more features and more on which one the operating team can configure, secure, document and support reliably.
A simple Layer 2 deployment can become unnecessarily difficult when features are enabled without a clear design. VLAN tagging, bridge VLAN filtering, management access and uplink configuration should be documented before changes are made. An incorrect VLAN table can isolate the management interface or expose traffic to the wrong segment. Link aggregation also requires matching settings on the connected device. Spanning Tree Protocol choices should reflect the wider topology, particularly when more than one physical path exists.
RouterOS may be useful when the CRS305 must participate in a wider MikroTik management approach or provide limited Layer 3 functions. However, a compact switch should not automatically replace a dedicated router, security gateway or firewall. The design should allocate tasks to the platform best suited to them. FourTeck configuration support can include initial software updates, administrator hardening, VLAN and bridge creation, management IP setup, port descriptions, backup creation and handover notes, subject to an agreed scope.
Optics, direct-attach cables and thermal planning
The base switch is only one part of a 10GbE deployment. The physical media determines whether two endpoints can communicate reliably. Passive SFP+ direct-attach copper is often a practical choice for short links within a rack or between nearby devices. It reduces the number of separate optical components and can be cost-effective, but supported cable lengths and vendor interoperability must be checked. Active optical cables combine transceivers and fibre in a fixed assembly and may suit certain longer point-to-point runs.
For structured fibre, the buyer must choose modules that match the installed cabling. Multimode fibre commonly serves shorter in-building links, while single-mode fibre supports longer distances. The transceiver wavelength, connector, fibre grade and link budget must match at both ends. A module that physically fits the cage is not automatically compatible with the switch, connected device or cable plant. The project should also confirm whether 1Gbps SFP links will be used alongside 10Gbps SFP+ links and whether the required speed is supported by both endpoints.
Copper RJ45 SFP+ modules can connect to 10GBASE-T equipment, but they commonly draw more power and produce more heat than optical modules or passive DACs. Four dense copper modules in a small fanless chassis may require careful airflow and may not be the preferred design for every environment. Cable distance, ambient temperature and the specific module specification matter. Where several native RJ45 10GbE ports are required, a switch designed with integrated 10GBASE-T interfaces may be more appropriate. FourTeck can help compare the media choices and prepare a bill of materials that avoids mismatched connectors or unnecessary adapters.
Ideal business environments and use cases
Small server and storage clusters
Connect a limited number of servers and a network storage appliance at 10Gbps for backup, replication, virtual machine storage or high-volume file transfer. Confirm storage performance so the network upgrade addresses the real bottleneck.
Media production workgroups
Editing stations can access central media storage over high-speed links. Workflow, codec, concurrent editor count and storage throughput should be considered before treating a single 10Gbps link as a complete performance guarantee.
Network laboratories
Training centres, test benches and development teams can use the dual-boot environment to explore switching and RouterOS configuration in a compact setup. Lab designs should remain separated from production networks.
High-capacity surveillance aggregation
The unit can aggregate suitable recorder, server or upstream links where the surrounding surveillance design requires 10GbE. It does not provide PoE output for cameras, so access switches remain necessary.
Small ISP or service-provider edge
A compact SFP+ switching point may support controlled edge or lab scenarios. Port count, redundancy, environmental protection, monitoring and service-impact requirements must be assessed carefully.
Office backbone upgrades
The switch can create a small 10GbE backbone between an existing router, core resource and selected high-demand systems without replacing every Gigabit access port in the office.
Integration and operational considerations
The CRS305 should be introduced with a clear management plan. Assign a dedicated management IP address, restrict administrative access to trusted networks, replace default credentials immediately and keep configuration backups. Software should be updated through a controlled change process, with release compatibility and maintenance windows considered. Where central monitoring is required, define which metrics and alerts the operations team will use rather than enabling tools without a response procedure.
VLAN design must align with the connected router, firewall and access switches. Tagged uplinks, untagged endpoint ports, management VLANs and native VLAN assumptions should be consistent across the network. A mismatch can cause intermittent connectivity or unintended traffic exposure. If link aggregation is used, both ends must support the chosen method and be configured consistently. Redundant physical paths should use a suitable loop-prevention design.
Power planning is equally important. The unit can accept power through either of two DC jacks or through PoE-in on the Gigabit Ethernet port. Redundancy requires genuinely independent power paths; connecting two adapters to the same unprotected extension does not provide full resilience. A UPS may be appropriate where short power interruptions would affect critical storage or server traffic. The switch is intended for indoor installation, and it should be protected from water, excessive humidity, direct heat and obstructed ventilation.
The physical cable layout should support the small enclosure rather than pull against it. Fibre patch cords need bend-radius protection and clean connectors. DAC cables can be relatively stiff, so strain relief and placement matter. Labels should identify both ends of every cable, and the port map should be included in project documentation. These practical measures reduce troubleshooting time later.
Questions to resolve before requesting a quotation
Count endpoints, uplinks, aggregation links and redundancy. Four cages can be consumed quickly.
Record the exact server NIC, storage interface, switch or router model and supported modules.
Confirm fibre type, connector, patch-panel route, distance or the required DAC length.
Define segmentation, management access, trunks, untagged ports and any aggregation.
Clarify whether routing is occasional and light or whether a dedicated router is the correct platform.
Choose DC, redundant DC or PoE-in and state whether UPS support is required.
Procurement checklist
☐ Confirm the exact CRS305-1G-4S+IN product code.
☐ State the required switch quantity.
☐ Identify every connected device and interface speed.
☐ Confirm SFP, SFP+, DAC or RJ45 module requirements.
☐ Record fibre type, connector and cable distance.
☐ Confirm whether optics or cables are required in the quotation.
☐ Define VLAN, trunk and management requirements.
☐ State whether RouterOS or SwitchOS is preferred.
☐ Confirm DC, redundant DC or PoE-in powering.
☐ Review ventilation if copper SFP+ modules are planned.
☐ Include installation and configuration scope where required.
☐ Confirm delivery location and target project schedule.
☐ Request warranty guidance for the offered supply channel.
☐ Ask for configuration backup and handover documentation if needed.
How FourTeck can assist
FourTeck supports buyers who need more than a product code on a quotation. The first step is requirement clarification: how many links are required, which devices are being connected, what speeds and distances apply, and whether the existing cable plant can support the intended design. This reduces the risk of receiving a switch without the optics, cables or configuration needed to make it useful.
Assistance can include model confirmation, SFP/SFP+ and DAC selection guidance, basic compatibility review, bill-of-material preparation, power and placement discussion, VLAN and management planning, configuration scope and delivery coordination. Where the CRS305 is too small or where native copper 10GbE, more ports or stronger redundancy are required, FourTeck can discuss suitable alternatives rather than forcing the model into an unsuitable role.
For broader projects, visit the FourTeck technology product range, review available installation and configuration services, or send the design details through the FourTeck contact page. The quotation can then distinguish the base switch, modules, cabling and professional services clearly.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the MikroTik CRS305-1G-4S+IN. Supply can depend on quantity, regional channel availability and vendor lead time. The exact transceivers, direct-attach cables and accessories may have different lead times from the switch itself, so the complete bill of materials should be checked together. Delivery and project coordination can be discussed once the model, quantity, destination and required services are confirmed.
Installation and configuration should be included in the quotation when the customer needs assistance with software updates, management hardening, VLAN setup, port configuration, testing or documentation. Warranty terms should be confirmed against the proposed supply source rather than assumed from a generic online listing. FourTeck can also discuss whether remote preparation, onsite coordination or a combined hardware-and-configuration scope is appropriate for the project.
Dubai, Abu Dhabi, Sharjah and Ajman coverage
Businesses in Dubai, Abu Dhabi, Sharjah and Ajman can contact FourTeck for requirement review, quotation coordination and deployment planning for the CRS305-1G-4S+IN. A useful request includes the number of switches, the exact connected equipment, desired link speeds, fibre or copper media, cable distances and any configuration requirements. Delivery, installation and support arrangements depend on the confirmed scope, location and schedule. Projects involving multiple sites should identify whether the same topology and module set will be used everywhere or whether each site has different cabling and equipment. This helps FourTeck prepare a clearer bill of materials and avoid treating regional offices as identical when their infrastructure differs.
GCC Availability
FourTeck can assist organisations planning CRS305-1G-4S+IN deployments across GCC markets with requirement review, model confirmation, optic and cable selection, quotation coordination, configuration scope and regional delivery planning. A project covering the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain or Oman should specify the destination country for each unit, quantity, preferred deployment date and the connected equipment at each location. Product availability, module compatibility, licensing, delivery schedules, service visits and vendor lead times can vary by country and requirement. The switch itself may be common across sites while fibre standards, patch panels, power arrangements and support expectations differ. Buyers should therefore provide the exact switch quantity, required SFP/SFP+ or DAC items, link distances, installation environment and requested configuration services. FourTeck will use that information to discuss an appropriate quotation and coordination approach without assuming local stock, fixed delivery times or identical site conditions.
Africa Availability
Organisations considering the MikroTik CRS305-1G-4S+IN for projects in Africa can contact FourTeck for product evaluation, accessory planning, quotation support and deployment guidance. Requirements in East Africa, West Africa, Southern Africa or Central Africa may differ in fibre availability, connector standards, power quality, shipping arrangements and local implementation resources. Buyers in markets such as Kenya and Uganda should share the destination country, exact quantity, connected device models, cable distances, preferred media and expected deployment schedule. Availability and fulfilment can depend on the product model, transceiver region, quantity, vendor lead time, shipping route, power requirements and local project conditions. Installation or remote configuration support should be described separately so the quotation reflects what is genuinely required. FourTeck can help review the bill of materials and regional planning, but local inventory, customs outcomes, immediate shipment and country-wide onsite coverage should not be assumed without project-specific confirmation. Regional enquiries may also use the FourTeck Africa technology portal.
Related products and services to consider
MikroTik CRS309-1G-8S+IN
An eight-SFP+ option to evaluate when four high-speed cages leave too little room for uplinks, redundancy or near-term expansion. Confirm current specifications and suitability.
Compatible SFP+ optics
Select multimode or single-mode modules according to wavelength, connector, fibre type and distance. Compatibility must be checked for both endpoints.
Direct-attach cables
DACs can suit short switch-to-server, switch-to-storage or switch-to-router links. Cable length and endpoint support should be verified before ordering.
Network configuration service
Define VLANs, management access, port roles, software updates, backup and testing as a clear professional service scope.
Structured fibre review
Check patch panels, connector types, fibre grade, cleaning and link distance before purchasing optical modules.
Router and firewall integration
Keep high-speed switching, routing and security responsibilities clearly allocated across the network design. Explore FourTeck firewall and network guidance.
Why businesses contact FourTeck
A compact switch can still create a complicated procurement task when optics, cables, power, software and topology are treated separately. Businesses contact FourTeck to turn those details into a coherent requirement. The practical value is in confirming whether the model fits, identifying missing accessories, checking likely compatibility issues, separating included items from optional components and preparing a quotation that reflects installation and configuration needs.
FourTeck can also help buyers compare the CRS305 with larger models, evaluate whether native 10GBASE-T is preferable, plan a sensible management approach and coordinate the information needed for implementation. This is especially useful for procurement teams that have received a model request but need technical clarification before approving it. Learn more about FourTeck or submit a requirement for review.
Frequently asked questions
Is the CRS305-1G-4S+IN a 10 Gigabit switch?
Yes. It has four SFP+ cages that support compatible 10GbE modules or cables. It also has one separate Gigabit Ethernet port. Actual link operation depends on compatible media and endpoint interfaces.
Are SFP+ modules included?
No. The SFP and SFP+ modules or direct-attach cables are selected separately. The required type depends on cable distance, fibre mode, connector, wavelength and connected equipment.
Can the switch use 1Gbps SFP modules?
The manufacturer states that the four cages accept supported 1.25Gb SFP modules as well as 10Gb SFP+ modules. Compatibility should still be verified for the specific module and remote endpoint.
What is the difference between RouterOS and SwitchOS?
SwitchOS provides a focused switching interface. RouterOS offers a wider MikroTik networking feature set. The preferred platform depends on required functions, administrator experience and operational standards.
Does it support silent operation?
The CRS305 uses passive cooling and has no fan. Placement must still allow ventilation, especially when higher-power copper SFP+ modules are installed.
Can it be powered through Ethernet?
Yes. The Gigabit Ethernet port supports PoE-in, and the unit also has two DC jacks. Voltage and PoE-source compatibility should be checked before deployment.
Is this model suitable for routing and firewall duties?
RouterOS provides routing and filtering features, but the device is primarily attractive as a compact hardware switch. Dedicated routing or firewall platforms should be considered for heavier workloads or security requirements.
Is configuration included with the product?
The operating system is preinstalled, but project-specific configuration is not automatically included. Ask FourTeck to add setup, VLANs, management hardening, testing or documentation to the quotation where required.
How can I confirm UAE availability?
Send FourTeck the quantity, required modules or cables, destination and target schedule. Availability may vary according to regional supply and vendor lead time.
What information is needed for an accurate quote?
Provide the switch quantity, connected device models, required speeds, cable distances, fibre type, connector, power plan, VLAN requirements, delivery location and requested installation or configuration scope.
Confirm the switch, optics and configuration together
Send FourTeck your endpoint models, link distances, required speeds and quantity. The quotation can include the CRS305-1G-4S+IN, suitable connection media and agreed implementation services.
