MCX556A-ECAT - Refurbished - NVIDIA Mellanox ConnectX-5 VPI Dual-Port EDR 100Gb/s InfiniBand & 100GbE QSFP28 Adapter
Warranty: Lifetime
Condition: Refurbished — pulled from enterprise service, cleaned, inspected and tested.
MCX556A-ECAT is the NVIDIA Mellanox ConnectX-5 VPI Dual-Port EDR 100Gb/s InfiniBand & 100GbE QSFP28 Adapter. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for HPC and AI clusters on EDR InfiniBand, or 100GbE RoCE fabrics.
Key Specifications
- Controller: NVIDIA Mellanox ConnectX-5 VPI
- Ports: 2x QSFP28
- Speeds: EDR InfiniBand 100Gb/s or 100GbE per port (VPI)
- Host interface: PCIe 3.0 x16
- Key features: RDMA/RoCE, GPUDirect RDMA, MPI tag matching, NVMe-oF offload, SR-IOV
- Bracket: Full-height (tall) bracket
Works With
Pairs with 100G QSFP28 DACs (MCP1600-E/C) and EDR AOCs. Shop matching DAC cables, AOC cables and transceivers.
Low-profile bracket needed? Ask before ordering — we can supply the correct bracket.
📋 NVIDIA & Mellanox Interconnect Compatibility Guide — matching DACs, AOCs and transceivers for every ConnectX generation.
📘 EDR 100G interconnect matrix (V100-era clusters)
Warranty & Shipping
Backed by the Resilient Tec lifetime warranty with a compatibility guarantee. Free standard shipping on all US orders.
Condition: Refurbished — pulled from enterprise service, cleaned, inspected and tested.
MCX556A-ECAT is the NVIDIA Mellanox ConnectX-5 VPI Dual-Port EDR 100Gb/s InfiniBand & 100GbE QSFP28 Adapter. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for HPC and AI clusters on EDR InfiniBand, or 100GbE RoCE fabrics.
Key Specifications
- Controller: NVIDIA Mellanox ConnectX-5 VPI
- Ports: 2x QSFP28
- Speeds: EDR InfiniBand 100Gb/s or 100GbE per port (VPI)
- Host interface: PCIe 3.0 x16
- Key features: RDMA/RoCE, GPUDirect RDMA, MPI tag matching, NVMe-oF offload, SR-IOV
- Bracket: Full-height (tall) bracket
Works With
Pairs with 100G QSFP28 DACs (MCP1600-E/C) and EDR AOCs. Shop matching DAC cables, AOC cables and transceivers.
Low-profile bracket needed? Ask before ordering — we can supply the correct bracket.
📋 NVIDIA & Mellanox Interconnect Compatibility Guide — matching DACs, AOCs and transceivers for every ConnectX generation.
📘 EDR 100G interconnect matrix (V100-era clusters)
Warranty & Shipping
Backed by the Resilient Tec lifetime warranty with a compatibility guarantee. Free standard shipping on all US orders.