MCX516A-CDAT - Refurbished - NVIDIA Mellanox ConnectX-5 Ex EN Dual-Port 100GbE QSFP28 NIC, PCIe 4.0
Warranty: Lifetime
Condition: Refurbished — pulled from enterprise service, cleaned, inspected and tested.
MCX516A-CDAT is the NVIDIA Mellanox ConnectX-5 Ex EN Dual-Port 100GbE QSFP28 network adapter, PCIe 4.0. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for PCIe 4.0 servers (AMD EPYC, Ice Lake) needing full dual-port 100GbE bandwidth.
Key Specifications
- Controller: NVIDIA Mellanox ConnectX-5 Ex EN
- Ports: 2x QSFP28, 100/50/40/25/10GbE
- Host interface: PCIe 4.0 x16 (backward compatible with PCIe 3.0)
- Protocol: Ethernet
- Key features: RoCE v2, SR-IOV, ASAP2 OVS offload, DPDK, NVMe-oF offload
- Bracket: Full-height (tall) bracket
Works With
Pairs with 100G QSFP28 DACs, AOCs and SR4/LR4 transceivers. 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.
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.
MCX516A-CDAT is the NVIDIA Mellanox ConnectX-5 Ex EN Dual-Port 100GbE QSFP28 network adapter, PCIe 4.0. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for PCIe 4.0 servers (AMD EPYC, Ice Lake) needing full dual-port 100GbE bandwidth.
Key Specifications
- Controller: NVIDIA Mellanox ConnectX-5 Ex EN
- Ports: 2x QSFP28, 100/50/40/25/10GbE
- Host interface: PCIe 4.0 x16 (backward compatible with PCIe 3.0)
- Protocol: Ethernet
- Key features: RoCE v2, SR-IOV, ASAP2 OVS offload, DPDK, NVMe-oF offload
- Bracket: Full-height (tall) bracket
Works With
Pairs with 100G QSFP28 DACs, AOCs and SR4/LR4 transceivers. 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.
Warranty & Shipping
Backed by the Resilient Tec lifetime warranty with a compatibility guarantee. Free standard shipping on all US orders.