400G short-reach rack connectivity
MikroTik DDQ+DA0001 in Dubai, UAE
The DDQ+DA0001 is MikroTik’s one-metre 400G QSFP-DD direct attach cable for connecting compatible high-capacity devices over a very short copper path. It is built for environments where port density, low-complexity cabling, and predictable rack organisation matter as much as raw link speed.
Product code
DDQ+DA0001
Confirm both endpoint ports, link mode, rack distance, and required quantity before purchase.
Direct answer for buyers
MikroTik DDQ+DA0001 is a one-metre direct attach copper cable with integrated QSFP-DD ends for a 400G connection between compatible devices. It is mainly used inside a rack or across a very short, carefully measured path where optical transceivers would add unnecessary cost and complexity. Network architects, data-centre teams, service providers, research environments, and businesses deploying MikroTik’s 400G-capable switching platforms should consider it when both endpoints support the required interface and link mode. Before proceeding, confirm the exact switch or adapter models, software support, cable route, bend clearance, port availability, and whether one metre is sufficient after allowing for tray and rack geometry.
What the cable does
The DDQ+DA0001 creates a direct electrical connection between two suitable QSFP-DD ports. The transceiver electronics are integrated into the cable ends, so the buyer does not need to select separate optical modules and fibre patch leads for this particular short link. This can simplify a bill of materials, reduce the number of individual components that must be handled, and keep a high-density rack more orderly.
Its role is specific: it is a short-distance interconnect, not a general building backbone and not a substitute for fibre where distance, route flexibility, galvanic separation, or cross-room cabling is required. The one-metre length makes physical planning essential because the usable route is affected by switch depth, front-to-rear positioning, cable managers, bend radius, and whether the ports are on the same rack face.
Who should consider it
This cable suits buyers building compact, very high-throughput connections between compatible switches, routers, servers, accelerators, or test devices. It may be relevant to aggregation layers, high-performance compute racks, storage fabrics, media workflows, research clusters, internet service provider infrastructure, and enterprise data-centre upgrades where 400G is justified by traffic demand.
It is less suitable when the equipment uses QSFP28, QSFP+, SFP56, or another connector that only looks similar from a distance; when the route exceeds one metre; when vendor interoperability is uncertain; or when an optical design is preferred for distance and cabling flexibility. FourTeck can help examine these conditions before a quotation is prepared.
Business challenges this accessory helps address
Dense-rack cabling
A compact one-metre cable can reduce excess loops where both devices are close, provided the route has been measured accurately.
Complex optical bills
Integrated ends avoid separate module and patch-cord selection for a qualified short connection, simplifying component tracking.
High-capacity uplinks
The 400G link class supports designs that have moved beyond 100G aggregation, subject to endpoint and software support.
Procurement clarity
A defined MikroTik product code helps buyers specify an exact accessory instead of relying on an ambiguous generic cable description.
Capability band: where the DDQ+DA0001 adds value
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| 400G device interconnect | Both devices expose compatible QSFP-DD ports and support the intended 400G mode. | Exact endpoint models, port configuration, firmware, and supported cable type. |
| Same-rack link | The actual routed path fits within one metre without forcing the cable. | Rack depth, port position, cable manager route, and bend clearance. |
| Simple bill of materials | A direct copper link is acceptable and separate optics are unnecessary. | Whether the wider design standard mandates fibre or vendor-qualified optics. |
| MikroTik CRS812 or CRS804 use | The deployment follows the relevant port and link configuration guidance. | Port availability, target data rate, and software settings. |
| Cross-vendor connection | Both vendors explicitly support the cable type and required electrical standard. | Interoperability evidence, coding expectations, and support responsibility. |
Verified product information
| Brand | MikroTik |
|---|---|
| Product code | DDQ+DA0001 |
| Product type | Direct attach cable |
| Connector arrangement | QSFP-DD to QSFP-DD |
| Data rate | 400 Gigabit |
| Cable length | 1 metre |
| Typical placement | Rack-to-rack or top-of-rack short connections |
| Referenced related devices | MikroTik CRS812 and CRS804; compatibility must still be checked for the intended setup. |
| MTBF guidance | Approximately 100,000 hours at 25°C, as stated by the manufacturer. |
| License requirement | No separate cable license identified; endpoint software and feature requirements are device dependent. |
| Availability | Contact FourTeck for current UAE options, quantity, and lead time. |
| Important note | Physical connector fit alone does not confirm electrical, speed, software, or cross-vendor compatibility. |
Compatibility and dependency notice
QSFP-family connectors can appear similar while supporting different electrical generations and lane configurations. The DDQ+DA0001 should therefore be matched by exact interface specification rather than by connector shape alone. Confirm that each endpoint supports QSFP-DD, the desired 400G operating mode, and the cable type used by the design. Check manufacturer compatibility information, current firmware, port breakout settings, forward-error-correction requirements, and any platform-specific restrictions.
For a connection between different equipment vendors, establish who will support the link if an interoperability issue occurs. Some platforms validate cable identification data or publish approved accessory lists. Others may operate with standards-compliant cables but provide limited troubleshooting support. FourTeck can help collect the endpoint details and define the questions that should be resolved before procurement, but final interoperability depends on the devices, software versions, and vendor policies in the proposed deployment.
A practical purchase and deployment journey
Identify both endpoints
Record the exact switch, router, server adapter, or appliance model at each end, including the intended port numbers and installed software versions.
Validate interface and link mode
Confirm QSFP-DD support, 400G capability, required lane mode, and any forward-error-correction or software dependencies.
Measure the routed distance
Measure the real path through cable managers rather than the straight-line gap. Include service loops only when the one-metre length can accommodate them safely.
Confirm quantity and spares
Match the cable count to planned links and decide whether project policy requires a tested spare for replacement or staging.
Install, configure, and test
Insert the connectors without forcing them, secure the route, configure the ports, verify link state and negotiated speed, and run traffic or error testing appropriate to the deployment.
High-capacity links without separate optics
For very short connections, a DAC can remove the need to purchase and match two optical transceivers plus a fibre patch cord. This is valuable when procurement teams need a concise bill of materials and operations teams want fewer component types to label and store. The DDQ+DA0001 packages the two QSFP-DD ends and copper path as one assembly.
The operational advantage depends on using it in the right place. Copper direct attach cables are not the universal answer for a data centre. Fibre remains more appropriate for longer routes, structured cabling systems, and designs that need greater placement flexibility. The buyer should select the cable based on the physical topology rather than treating it as a lower-cost substitute in every scenario.
Controlled rack organisation
At 400G, physical planning deserves the same attention as logical configuration. A one-metre assembly can keep a local link compact, but only when equipment placement and cable-management hardware are aligned with that length. Overly tight turns, unsupported cable weight, blocked airflow, or strain at the connector can undermine an otherwise sound design.
Before installation, map the route and ensure the cable can enter each port naturally. Avoid using the connector as a support point. Keep the link clear of fan exhausts and moving service parts. Label both ends with the connected devices and ports. These practices improve maintainability and reduce the risk of disturbing the wrong high-capacity connection during later changes.
Clearer lifecycle planning
An exact cable code makes it easier to document spare requirements, replacement procedures, and approved materials. Infrastructure teams can include DDQ+DA0001 in rack diagrams, asset records, and change plans rather than describing the item only as a generic 400G lead. This precision matters when several QSFP generations coexist in the same facility.
Lifecycle planning should also account for the connected equipment. A cable can remain physically serviceable while the switch port configuration, firmware policy, or future topology changes. Keep compatibility records with the cable documentation and revalidate the link when moving the assembly to a different platform. A spare should be tested against the target devices rather than assumed to work because the connector fits.
Ideal environments and use cases
Aggregation switching
A short uplink between compatible 400G-capable switches in the same rack or an adjacent, measured position.
High-performance compute
Local fabric links where servers or accelerators expose supported QSFP-DD interfaces and the design calls for 400G.
Storage infrastructure
High-bandwidth storage or data-movement paths, subject to protocol, adapter, and interoperability validation.
Network laboratories
Bench or rack testing of MikroTik 400G platforms where repeatable short connections are required.
Service-provider racks
Dense aggregation or peering infrastructure that needs a direct local interconnect with documented endpoint support.
Media and data workflows
Bandwidth-intensive systems where 400G capacity is justified by measured traffic and the physical path remains within DAC reach.
Integration and operational considerations
A successful 400G connection is the outcome of several aligned decisions: suitable hardware at both ends, supported port operation, correct software configuration, a physically sound cable route, and a test plan that can verify more than a simple link light. Teams should review interface status, negotiated speed, error counters, forward-error-correction state, and traffic behaviour under representative load. Where the devices expose diagnostic counters, establish a baseline after installation so later changes can be detected.
Change control is especially important in mixed-speed racks. Clearly document whether a port is operating as one 400G interface or in another supported mode. Do not assume that a breakout configuration can use this cable; breakout designs require the correct purpose-built assembly and endpoint support. Similarly, do not connect it to QSFP28 or QSFP+ ports without explicit compatibility guidance. Mechanical insertion should never replace specification verification.
The cable route should preserve access to nearby power supplies, fan trays, and service latches. High-density ports can make removal difficult, so technicians should understand the release mechanism before working in a live rack. During maintenance, avoid pulling on the cable body. If a link is moved, repeat the compatibility and test process because the new endpoints may have different coding or firmware requirements.
For organisations standardising on MikroTik, review the wider switching and routing design through the FourTeck technology product catalogue. Buyers planning a broader upgrade can also discuss installation, configuration, and validation through the business technology services overview.
Questions to resolve before requesting a quotation
Provide full model names, hardware revisions where known, port identifiers, and software versions.
Confirm the required link mode rather than relying on the physical connector label.
Measure through guides, trays, and rack transitions, allowing safe connector entry.
Cross-vendor links may require additional interoperability confirmation.
Include rack work, configuration, labelling, and validation in the scope when needed.
State active link count, staged expansion, and spare policy for an accurate bill of materials.
Procurement checklist
✓ Exact product code: DDQ+DA0001
✓ Required production quantity
✓ Spare-cable requirement
✓ Endpoint manufacturer and model
✓ Port type and supported data rate
✓ Firmware or software version
✓ Same-vendor or cross-vendor link
✓ Measured routed distance
✓ Rack position and cable-management path
✓ Required installation scope
✓ Port configuration and testing scope
✓ Destination and requested schedule
✓ Warranty confirmation at quotation stage
✓ Alternative 3 m or optical option if needed
How FourTeck can assist
FourTeck can help turn a cable request into a properly defined connectivity requirement. The review can begin with the two endpoint models, target speed, quantity, and rack layout. From there, the team can help identify whether the DDQ+DA0001 is the appropriate one-metre choice, whether the DDQ+DA0003 offers a better physical fit, or whether an optical path should be considered.
Assistance may include model confirmation, bill-of-material guidance, compatibility questions, quotation coordination, delivery planning, installation scope, configuration planning, and post-installation validation requirements. These activities should be agreed in the quotation because a cable-only purchase and a managed deployment have different responsibilities and costs.
For a broader discussion, use the FourTeck Dubai contact page. Information about the company and approach is available on the FourTeck business technology profile.
What to send for a fast review
Share the following details:
• Device A model and port
• Device B model and port
• Required speed
• Cable quantity
• Measured route length
• Deployment city and site type
• Required installation or configuration scope
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the MikroTik DDQ+DA0001. Supply timing may depend on quantity, vendor lead time, and the wider project requirement. A quotation should identify the exact product code, quantity, pricing validity, applicable warranty guidance, and any delivery coordination. Installation, cable routing, port configuration, and testing are separate scope items unless they are specifically included.
For projects spanning Dubai, Abu Dhabi, Sharjah, and Ajman, FourTeck can coordinate requirement review and quotation planning as one combined UAE engagement. Site access, rack readiness, installation windows, and local delivery arrangements should be confirmed before scheduling. Buyers should avoid finalising the cable order until the endpoint compatibility and routed distance have been reviewed.
GCC Availability
FourTeck can assist organisations planning MikroTik high-capacity connectivity across GCC markets, including the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain, and Oman. The process should start with the destination country, exact endpoint devices, cable quantity, rack design, and expected project schedule. This allows the quotation team to review whether the one-metre DDQ+DA0001 is appropriate or whether a longer DAC or optical alternative should be evaluated.
Product availability, delivery schedules, service visits, and vendor lead times can vary by country, quantity, and project conditions. Cross-border procurement may also require confirmation of consignee details, shipping arrangements, and site readiness. Installation and configuration support should be requested explicitly where required. FourTeck can coordinate the requirement review, product selection discussion, quotation, and deployment planning without implying local stock or a guaranteed completion date. For Kuwait-specific coordination, buyers may also review FourTeck technology support in Kuwait.
Africa Availability
Organisations in Africa can contact FourTeck for guidance on the MikroTik DDQ+DA0001, related 400G accessories, and the compatibility information required for responsible procurement. Requirement review may cover the endpoint platforms, number of links, spare policy, cable distance, power and rack environment, installation expectations, and any need for remote configuration or local coordination. Buyers in East Africa and other regions should provide the destination country and project timeline so suitable fulfilment options can be discussed.
Availability and fulfilment depend on the product model, quantity, shipping arrangement, vendor lead time, local project conditions, and the technical scope. No assumption should be made about local inventory or immediate shipment. FourTeck can assist with product evaluation, quotation planning, accessory selection, and deployment questions. Regional resources include FourTeck Africa technology solutions, technology assistance in Kenya, and business technology support in Uganda.
Related products and suitable alternatives
MikroTik DDQ+DA0003
The three-metre 400G DAC may suit a longer rack route. Confirm bend, support, and endpoint compatibility before substitution.
MikroTik DDQ+85MP01D
A 400G optical module option for distances beyond DAC reach, with fibre selection and endpoint support requiring confirmation.
MikroTik CRS812 DDQ
A high-capacity aggregation switch referenced by MikroTik with the DDQ accessory range. Review the complete port and deployment requirement.
MikroTik CRS804 DDQ
Another related 400G platform. The final cable choice depends on the intended ports, topology, and current compatibility guidance.
Rack installation support
Useful where buyers need cable-routing, labelling, configuration, and link-validation tasks included in the project scope.
Why businesses contact FourTeck
Buyers often need more than a product code. They need confidence that the item fits the intended devices, physical route, and operating plan. FourTeck can help clarify the requirement, compare one-metre, three-metre, and optical approaches, structure the bill of materials, and coordinate a quotation. Where a project includes switches, modules, rack work, configuration, or testing, those elements can be discussed as a combined scope.
This approach is particularly useful for 400G deployments because a mistaken assumption about connector generation, lane mode, or route length can delay the project. The goal is not to make unsupported guarantees; it is to identify the questions that should be answered before money is committed and equipment arrives on site.
Frequently asked questions
What is the MikroTik DDQ+DA0001?
It is a one-metre 400G direct attach cable with QSFP-DD connectors integrated at both ends for short connections between compatible devices.
Is it intended for the MikroTik CRS812?
Yes. MikroTik presents it as an accessory for ultra-fast platforms including the CRS812. Confirm the intended ports and configuration for the specific deployment.
Can it connect any two QSFP-looking ports?
No. QSFP generations differ. Both endpoints must support the correct QSFP-DD interface, link mode, and cable type.
Is one metre enough for adjacent racks?
It may be, but the routed path must be measured through cable managers and rack transitions. A three-metre cable or optical solution may be more suitable.
Does the cable require a license?
No separate cable license is identified. The connected devices may have software, feature, or configuration dependencies.
Can it be used in a cross-vendor link?
Possibly, but interoperability should be confirmed with the exact devices, firmware versions, and vendor support policies before purchase.
What should be tested after installation?
Verify link state, negotiated speed, forward-error-correction status where applicable, error counters, and traffic performance under a suitable test load.
Is the DDQ+DA0001 currently available in Dubai?
Contact FourTeck for current UAE availability. Timing may vary with quantity and vendor lead time.
What information is needed for a quotation?
Provide the exact endpoint models, required quantity, target speed, measured route, destination, timeline, and any installation or configuration requirement.
Confirm the right 400G connection before ordering
Send FourTeck the two endpoint models, intended ports, cable quantity, and rack distance. The team can help review the DDQ+DA0001 requirement and coordinate a UAE quotation.
