Description
The AddOn Mellanox® MCP1660-W002E26 Compatible 400GBase-CU QSFP-DD to QSFP-DD Direct Attach Cable is a high-performance, cost-effective solution for high-speed data center interconnects. Designed for seamless compatibility with Mellanox® networking equipment, this passive Twinax cable supports 400Gbps Ethernet connectivity with a maximum reach of 2 meters.
Compliant with QSFP-DD MSA and IEEE 802.3bs standards, this cable delivers reliable, low-latency data transmission while maintaining minimal power consumption. Its built-in EEPROM functionality, hot-pluggable design, and RoHS-compliant, lead-free construction ensure dependable performance and easy deployment in dense networking environments. Additionally, the cable is TAA compliant, making it suitable for government and enterprise applications that require Trade Agreements Act adherence.
Every AddOn cable undergoes rigorous testing, unique serialization, and full data-traffic validation to guarantee 100% functionality and OEM-equivalent performance. Backed by a limited lifetime warranty, it is the ideal choice for next-generation data center, enterprise, and cloud-scale networking solutions.
| Specification | Description |
|---|---|
| SKU | MCP1660-W002E26-AO |
| Brand | AddOn |
| Compatibility | Mellanox® MCP1660-W002E26 |
| Product Type | QSFP-DD to QSFP-DD Direct Attach Cable |
| Data Rate | 400Gbps |
| Cable Type | Passive Twinax |
| Connector Type | QSFP-DD to QSFP-DD |
| Reach / Length | 2 meters |
| Compliance Standards | QSFP-DD MSA, IEEE 802.3bs |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% to 85% |
| Built-In Features | EEPROM, Hot-Pluggable |
| RoHS Status | Compliant and Lead-Free |
| TAA Compliance | Yes |
| Applications | 400G Ethernet, Data Center Interconnects, Enterprise Networking |
| Warranty | Limited Lifetime Warranty |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
