48-port managed switching with 10G and 40G uplinks
MikroTik CRS354-48G-4S+2Q+RM in Dubai, UAE
The MikroTik CRS354-48G-4S+2Q+RM is designed for dense wired networks that need many Gigabit access connections without giving up higher-speed aggregation. Its combination of 48 copper Gigabit ports, four 10G SFP+ ports and two 40G QSFP+ ports gives network planners several practical ways to connect users, servers, distribution switches and fibre backbones from one rackmount platform.
Plan the complete requirement
Confirm port count, optics, cable distances, operating system preference and deployment services before requesting a final quotation.
Direct answer for buyers
The CRS354-48G-4S+2Q+RM is a managed, rackmount MikroTik Cloud Router Switch intended mainly for high-density Layer 2 switching and aggregation. It is a practical candidate for organisations that need up to 48 copper Gigabit connections while reserving 10G and 40G interfaces for servers, storage links, distribution switches or backbone connectivity. Before proceeding, buyers should confirm whether non-PoE access ports are acceptable, which optical modules or direct-attach cables are required, whether RouterOS or SwitchOS better fits the operating model, and whether the intended design depends on CPU-based routing or filtering that may not achieve the same performance as hardware-switched traffic.
What it does
This switch consolidates a substantial number of wired devices into one 1U platform. The 48 Gigabit Ethernet ports can serve desktop computers, printers, non-PoE access points, appliances, servers and downstream switches. Four SFP+ cages support 10G uplinks, while two QSFP+ cages provide 40G connectivity for higher-capacity aggregation or links to compatible infrastructure. The platform can run RouterOS v7 or SwitchOS, giving administrators a choice between MikroTik’s broader network operating environment and a switch-focused interface.
Who it suits
The model may suit offices with many fixed workstations, education facilities, hotels, multi-tenant buildings, service-provider edge locations, labs and server rooms that require dense Gigabit access with fast upstream capacity. It is most compelling when a buyer can use the combination of 48 copper ports and several high-speed uplinks. It may be less suitable where every endpoint needs Power over Ethernet, where silent operation is essential, or where the switch is expected to perform heavy CPU-based routing, advanced firewalling or complex traffic processing at high throughput.
Business challenges this model can address
Port-density pressure
Growing offices often accumulate several smaller switches, increasing rack space, patching complexity and management overhead. A 48-port platform can simplify consolidation when the physical topology and resilience design allow it.
Uplink bottlenecks
Multiple 1G users can overwhelm a single Gigabit uplink during backups, file transfers or application peaks. The SFP+ and QSFP+ interfaces allow network designers to create faster upstream paths, subject to compatible optics, cabling and peer equipment.
Aggregation flexibility
The mix of 10G and 40G ports can support different aggregation strategies, including links to distribution layers, compatible servers or other switching infrastructure. Link design, breakout support and transceiver compatibility must be reviewed before purchase.
Power-feed continuity
Two AC inputs can be incorporated into a more resilient power design when connected to appropriately planned power sources. This does not replace broader UPS, circuit and rack-power planning.
Core capabilities at a glance
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| High copper-port count | The design needs up to 48 Gigabit RJ45 access connections. | Endpoint count, growth margin and patch-panel layout. |
| 10G uplinks | Distribution switches or servers support SFP+ connectivity. | Optic type, wavelength, distance, fibre and peer compatibility. |
| 40G aggregation | The network can use QSFP+ links for backbone or aggregation. | QSFP+ modules, DACs, breakout requirements and remote port type. |
| Powered endpoints | PoE is not required from the 48 access ports. | Separate PoE switch, injectors or the PoE variant where appropriate. |
| Advanced processing | Most traffic can remain hardware switched. | Expected routing, filtering, queueing and CPU-processing workload. |
Verified technical information
| Brand | MikroTik |
|---|---|
| Product code | CRS354-48G-4S+2Q+RM |
| Product type | Managed rackmount Cloud Router Switch |
| Copper Ethernet | 48 × 10/100/1000 RJ45 plus 1 × 10/100 management Ethernet port |
| Fibre interfaces | 4 × 10G SFP+ and 2 × 40G QSFP+ |
| Switching performance | 168 Gbps non-blocking throughput, 336 Gbps switching capacity and up to 235 Mpps forwarding rate under the manufacturer’s stated switching test conditions |
| CPU and switch chip | QCA9531 single-core 650 MHz CPU; 98DX3257 switch chip |
| Memory and storage | 128 MB RAM and 32 MB flash |
| Operating system | RouterOS v7 / SwitchOS dual boot; RouterOS Level 5 license |
| Power | Two 100–240 V AC inputs, 50–60 Hz; maximum 60 W with attachments |
| Cooling | Three fans |
| Dimensions | 297 × 443 × 44 mm |
| Operating temperature | Tested from -20°C to +60°C |
| Ingress rating | IP20, intended for indoor use |
| Included components | Two IEC cords, rackmount ears, K-48 fastening set and cable-management brackets |
| Availability | Contact FourTeck for current UAE options, quantity and lead time |
Important dependencies and limits
The headline switching figures describe hardware-switching capability under stated test conditions. Features that move traffic through the device CPU, including certain routing, firewall, queueing or filtering workloads, can produce materially different performance. Buyers planning to use the CRS354 as a high-throughput router should validate the feature path and test expectations carefully rather than assuming that switching capacity equals routed throughput.
SFP+ and QSFP+ cages do not automatically include the optical modules, direct-attach cables or fibre patch leads needed for each link. Compatibility depends on the transceiver, speed, wavelength, cable type, distance, remote device and software configuration. The 48 RJ45 access ports are not PoE-out ports. Powered cameras, access points and phones therefore need a separate power strategy.
A practical purchase and deployment journey
Map the endpoints
Count active devices, reserved ports, downstream switches and expected growth. Separate endpoints needing PoE from ordinary data-only connections.
Design the uplinks
Choose 10G or 40G links according to traffic demand, peer interfaces, cable distance, redundancy and available fibre infrastructure.
Confirm accessories
Specify compatible SFP+ or QSFP+ optics, DAC cables, fibre patch leads, rack hardware, power arrangements and any spare modules.
Define configuration
Document VLANs, trunks, link aggregation, management addresses, access controls, monitoring and the preferred operating system.
Test and hand over
Validate links, VLAN reachability, failover, monitoring, configuration backups and documentation before moving production traffic.
High-density switching without unnecessary chassis sprawl
A common reason to evaluate this model is simple port concentration. Forty-eight Gigabit access ports can replace several smaller unmanaged or lightly managed switches, reducing the number of individual power supplies, uplink cables and management points. Consolidation can also make patching easier to understand when ports are labelled and documented consistently. However, putting many endpoints on one physical switch creates a larger local failure domain. Buyers should therefore balance density against resilience. Critical environments may prefer two switches with divided endpoint groups, redundant uplinks and spare capacity rather than one fully occupied chassis.
The CRS354 is particularly useful where the access layer remains predominantly 1G but upstream traffic must move faster. Typical office devices rarely need a dedicated 10G port, yet dozens of users can collectively generate significant traffic toward storage, internet gateways, virtualisation hosts or central applications. A 10G or 40G uplink can reduce aggregation congestion, provided the rest of the path is designed to handle it. Oversubscription is not automatically a problem; it becomes a design choice that should reflect actual traffic patterns, peak loads and business tolerance for contention.
Port density also affects operational practice. Network teams should reserve a portion of the 48 ports for growth, temporary equipment, troubleshooting and moves. Filling every interface on day one may produce an attractive cost-per-port calculation but leave no practical room for change. FourTeck can help review the current port schedule and estimate a sensible headroom allowance before the bill of materials is finalised.
10G and 40G uplinks for flexible aggregation
The four SFP+ and two QSFP+ interfaces distinguish this model from ordinary 48-port Gigabit switches. SFP+ connections can be used with compatible fibre transceivers or direct-attach copper cables for 10G links. QSFP+ ports can support 40G connectivity to compatible peers. These interfaces may be used for uplinks, server connections, switch interconnects or other purposes allowed by the selected operating system and configuration.
The correct medium depends on distance and environment. A short connection inside the same rack may be served economically by a compatible DAC cable. Links between rooms or buildings commonly require optical modules and suitable fibre. Multimode and single-mode fibre are not interchangeable choices; connector type, wavelength, reach and remote transceiver compatibility all matter. Existing cabling should be surveyed before optics are ordered. Buyers should also confirm whether a proposed QSFP+ breakout arrangement is supported by the intended modules, cabling and configuration rather than assuming that every 40G port can be divided in the desired way.
Redundancy can be designed using separate uplinks, link aggregation and diverse physical paths, but the entire topology must support the selected method. Two links connected to the same upstream chassis do not provide protection from upstream-chassis failure. Likewise, dual power inputs do not create resilience when both are connected to the same unprotected circuit. Network and power redundancy should be evaluated together.
RouterOS or SwitchOS: choosing the operating model
The CRS354 supports dual boot with RouterOS and SwitchOS. RouterOS provides the broader MikroTik management and networking environment, while SwitchOS offers a switch-oriented interface. The right choice depends less on which system appears to have more features and more on the organisation’s operational standards, administrator skills, automation practices and required functions.
Teams already managing MikroTik routers and switches through RouterOS may prefer a consistent toolset, common configuration methods and familiar monitoring. Other deployments may favour a streamlined switching interface. The selected operating system should be documented as part of the deployment baseline, together with software version, backup procedure, administrator access, management VLAN and recovery method.
Feature planning must account for hardware offload. The switch chip can process supported Layer 2 functions efficiently, but configurations that require traffic to traverse the CPU may reduce throughput sharply compared with hardware-switched forwarding. This distinction is important when considering inter-VLAN routing, extensive filtering, queues or other advanced processing. A separate router or firewall may be more appropriate for heavy Layer 3 and security workloads, leaving the CRS354 focused on switching and aggregation.
Suitable business environments and use cases
Corporate office floors
Connect desktops, printers, meeting-room systems and departmental switches while using faster uplinks toward the core.
Education and training sites
Serve classrooms, labs and administration areas where many wired ports are needed and centralised VLAN management is preferred.
Hospitality and multi-tenant properties
Aggregate room, back-office and building-system connections, provided PoE requirements are handled separately.
Server-room access and aggregation
Use Gigabit ports for management or lower-speed devices and high-speed interfaces for compatible servers and upstream switches.
Service-provider edge
Support dense subscriber or customer handoffs where the required features align with hardware-offloaded switching capabilities.
Labs and test networks
Provide many managed interfaces and multiple uplink speeds for controlled development, training and staging environments.
Integration and operational considerations
Successful installation begins with physical planning. The chassis is intended for indoor rackmount use and uses active cooling. Rack depth, front and rear clearance, ventilation, ambient temperature and cable bend radius should be checked. The three fans make the unit more appropriate for a communications room or server rack than a quiet open office. Power leads should be connected according to the resilience design, and the switch should be protected by suitable UPS and surge arrangements where required.
Logical integration requires a clear VLAN and spanning-tree plan. Existing switch standards, native VLAN handling, trunk configuration, link aggregation and loop-prevention settings must align across vendors. Management access should be isolated where possible, strong administrator credentials should be applied immediately, and unnecessary services should be disabled. Software should be reviewed and updated under change control rather than left indefinitely at a factory version.
Monitoring should include interface status, utilisation, errors, temperature, power conditions and configuration-change records. Backup copies of the configuration and export files should be stored securely outside the device. Organisations using central monitoring platforms should confirm the required protocols and data points during design. A handover pack should record port assignments, optics, fibre routes, VLANs, uplinks, software version, administrator process and recovery steps.
Questions to resolve before ordering
Include spare capacity, downstream switches, temporary devices and planned expansion.
This model does not provide PoE-out on the 48 access ports, so plan another power method.
This determines whether DAC, multimode fibre or single-mode fibre is appropriate.
CPU-processed traffic should be assessed separately from hardware-switched performance.
Confirm RouterOS or SwitchOS, administrator skills, monitoring and backup processes.
Consider dual uplinks, upstream diversity, power circuits, UPS design and spare hardware.
Procurement checklist
☐ Confirm exact model: CRS354-48G-4S+2Q+RM
☐ Confirm required quantity and spare strategy
☐ Record current and forecast Gigabit port count
☐ Separate PoE and non-PoE endpoint requirements
☐ Define each 10G and 40G uplink
☐ Confirm transceiver, DAC and fibre compatibility
☐ Check rack depth, ventilation and noise location
☐ Confirm dual-power and UPS arrangement
☐ Choose RouterOS or SwitchOS operating model
☐ Document VLAN, trunk and aggregation scope
☐ Define installation and configuration assistance
☐ Confirm UAE availability, lead time and warranty terms
How FourTeck can assist
FourTeck can help turn a model request into a complete and reviewable network requirement. Assistance may include confirming whether the CRS354-48G-4S+2Q+RM fits the port-density objective, checking whether a PoE variant or a different switch class is more appropriate, identifying the required 10G and 40G accessories, and preparing a clearer bill of materials. This is especially useful when a quotation must account for optics, cables, racks, patching and services rather than the switch alone.
Configuration scope can also be discussed. Depending on the project, this may cover initial software review, management addressing, VLANs, trunks, link aggregation, access-port templates, monitoring integration, configuration backup and handover documentation. Migration planning should include the current topology, maintenance window, rollback approach, endpoint dependencies and acceptance tests. Visit the FourTeck technology services page for broader implementation guidance or review the business technology product range when comparing related infrastructure.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the MikroTik CRS354-48G-4S+2Q+RM. Availability may depend on quantity, vendor lead time and the required accessory package. A useful request should include the switch quantity, installation location, preferred timeline, uplink speeds, transceiver or cable requirements and whether configuration support is needed. Delivery and project coordination can be discussed after the exact requirement is confirmed. Warranty terms should be stated in the quotation because they can vary by supply channel and commercial arrangement. For direct assistance, use the FourTeck Dubai contact page.
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. The same product may be used in very different environments, from a compact office rack to a multi-floor campus distribution design, so location alone does not determine the right bill of materials. Share the site type, rack location, endpoint count, uplink destinations, cabling conditions and expected installation scope. FourTeck can then help structure the request around the exact switch, suitable accessories and relevant services without assuming stock, delivery dates or onsite scope before these items are confirmed.
GCC availability
FourTeck can assist organisations planning MikroTik switching projects across GCC markets, including the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain and Oman. Regional coordination may include reviewing the required port count, selecting the exact model, identifying compatible uplink modules, preparing quotation inputs, defining configuration scope and planning delivery to the stated destination. Product availability, licensing, delivery schedules, service visits and vendor lead times can vary by country, quantity and project conditions. Buyers should provide the destination country, required switch quantity, preferred timeline, fibre or DAC requirements and any installation expectations. For requirements connected with Kuwait, the FourTeck Kuwait technology portal can provide an additional regional contact route. No local inventory, customs outcome or fixed project date should be assumed until the commercial and technical requirement is reviewed.
Africa availability
Organisations planning network upgrades in Africa can approach FourTeck for product evaluation, accessory selection and regional procurement guidance. For the CRS354-48G-4S+2Q+RM, the discussion should cover the destination, quantity, local power conditions, rack environment, fibre standards, optic compatibility, configuration needs and preferred deployment schedule. Fulfilment can depend on the destination country, vendor lead time, shipping arrangements, regulatory conditions and local project circumstances. Buyers in East Africa can use the FourTeck Kenya resource or the FourTeck Uganda resource, while broader enquiries can be directed through the FourTeck Africa portal. Local stock, immediate shipment, customs clearance and country-wide onsite support are not implied and must be confirmed for the specific request.
Related products and services to consider
MikroTik CRS354 PoE variant
Consider the CRS354-48P-4S+2Q+RM when the project requires PoE-out from the access ports. Power budget and endpoint standards still need confirmation.
SFP+ and QSFP+ connectivity
Select optics or direct-attach cables according to speed, distance, fibre type, connector and compatibility with both ends of each link.
Network design review
Validate port density, oversubscription, VLAN structure, redundancy and routing boundaries before finalising the switch architecture.
Installation and configuration
Include rack installation, software setup, VLANs, uplinks, monitoring and handover in the quotation when project support is required.
Why businesses contact FourTeck
A switch purchase often fails to account for optics, cabling, power, configuration and migration. FourTeck helps buyers clarify these dependencies before the order is placed. The objective is not merely to quote a model number, but to identify whether the requested device fits the topology, what accessories are needed, which services should be included and what information is still missing. Businesses can also request support with model comparison, bill-of-material preparation, compatibility review, installation planning, configuration scope, migration sequencing and regional coordination. Learn more about FourTeck’s business technology approach or discuss the project directly through the contact page.
Frequently asked questions
Is the CRS354-48G-4S+2Q+RM mainly a switch or a router?
It is primarily positioned as a Cloud Router Switch and is strongest in hardware-switched Layer 2 roles. RouterOS provides routing features, but CPU-based routing and filtering performance should be assessed separately from the published switching capacity.
Does this model provide PoE-out on the 48 ports?
No. The CRS354-48G-4S+2Q+RM is the non-PoE model. Powered access points, cameras or phones require another PoE source or consideration of the CRS354 PoE variant.
Are SFP+ and QSFP+ modules included?
The switch includes rack and power accessories, but the required network optics or direct-attach cables should be selected separately according to each link.
Can it run SwitchOS?
Yes. Current MikroTik documentation identifies RouterOS v7 and SwitchOS dual-boot support. The desired operating system and software baseline should be confirmed during configuration planning.
Can the 40G ports be used for switch uplinks?
They can connect to compatible QSFP+ infrastructure. The module, cable, peer interface, distance and configuration must all be confirmed.
Is the switch suitable for a quiet office?
It uses three cooling fans and is generally better placed in a ventilated communications room or server rack. Acoustic suitability should be assessed for the intended location.
What information is needed for a quotation?
Provide quantity, delivery destination, required timeline, uplink speeds, cable distances, optic or DAC needs, PoE requirements and any installation or configuration scope.
Does dual AC input guarantee uninterrupted operation?
No. The two inputs can support a resilient power design, but continuity also depends on circuits, UPS systems, cabling and the wider site-power architecture.
Is the MikroTik warranty fixed for UAE orders?
Warranty terms can depend on the supply channel and quotation. Buyers should request written warranty details with the commercial offer.
Confirm the switch, uplinks and service scope
Send FourTeck your quantity, endpoint count, uplink design and deployment location for a model review and current UAE quotation.

