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MCX4121A-XCAT - Refurbished - NVIDIA Mellanox ConnectX-4 Lx EN Dual-Port 10GbE SFP28 NIC

$54.95 USD

Ready to ship  -  20 left

Warranty: Lifetime

Condition: Refurbished — pulled from enterprise service, cleaned, inspected and tested.

MCX4121A-XCAT is the NVIDIA Mellanox ConnectX-4 Lx EN Dual-Port 10GbE SFP28 network adapter. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for 10GbE server uplinks using SFP+ optics or DACs.

Key Specifications

  • Controller: NVIDIA Mellanox ConnectX-4 Lx EN
  • Ports: 2x SFP28 cages, 10GbE
  • Host interface: PCIe 3.0 x8
  • Protocol: Ethernet
  • Key features: RoCE, SR-IOV, VXLAN/NVGRE offloads, DPDK
  • Bracket: Full-height (tall) bracket

Works With

Pairs with 10G SFP+ DACs and SR/LR 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.
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