NVIDIA Mellanox MC2207128-003 56Gb/s FDR Passive Copper QSFP Cable, 3m, Lot of 5: This is a passive copper direct-attach (DAC) QSFP-to-QSFP interconnect cable engineered for 3-meter point-to-point links carrying InfiniBand FDR (56Gb/s, 4x14G NRZ) or 40Gb Ethernet (VPI). MPN MC2207128-003. This is NOT an active optical cable, NOT a transceiver, and NOT a breakout cable. Sold as a Lot of 5, refurbished and tested.
Engineering Context: Each cable terminates in two QSFP form-factor connectors and uses 30 AWG twinax copper for 3m reach. Signaling runs at 4 lanes of 14Gb/s NRZ for 56Gb/s aggregate FDR throughput. As a passive copper assembly there is no active circuitry, no DSP, and no DC power draw beyond the host transceiver cage. The 3m length is purpose-built for cross-rack and within-row server-to-ToR connections.
Deployment & Use Cases: Top-of-rack to server interconnects in InfiniBand FDR HPC clusters, Mellanox SwitchX-2 / Switch-IB fabrics, ConnectX-3 / ConnectX-3 Pro adapter aggregation, and 40GbE Ethernet leaf-spine architectures inside a single rack or adjacent racks within 3m reach.
Technical Specifications:
- MPN: MC2207128-003
- Cable Type: Passive copper QSFP-to-QSFP DAC (VPI)
- Length: 3 meters
- Data Rate: 56Gb/s InfiniBand FDR (4x14G NRZ) / 40GbE Ethernet
- Connectors: 2x QSFP (QSFP+/QSFP14)
- Conductor: 30 AWG twinax copper
- Power: Passive (no DC power required)
- Pack Quantity: Lot of 5
- Condition: Refurbished, tested
- Brand: NVIDIA Mellanox
Compatibility & Constraints: Designed for FDR-class InfiniBand and 40GbE Ethernet over QSFP. Compatible with Mellanox SwitchX-2 (SX series), Switch-IB (SB7700/SB7790), ConnectX-3 / ConnectX-3 Pro VPI adapters, and ConnectX-2 QDR systems at backwards-compatible rates. NOT compatible with 100GbE QSFP28 or 200GbE QSFP56 ports operating with PAM4 signaling — this is an NRZ passive copper cable. NOT a breakout cable.
Why TES: T.E.S IT-SOLUTIONS specializes in refurbished NVIDIA Mellanox enterprise networking hardware. Each MC2207128-003 cable is bench-tested before shipment. Handling time 1–3 business days. Request a quote.