MCX4121A-ACAT - Refurbished - NVIDIA Mellanox ConnectX-4 Lx EN Dual-Port 10/25GbE SFP28 NIC
Warranty: Lifetime
Condition: Refurbished — pulled from enterprise service, cleaned, inspected and tested.
MCX4121A-ACAT is the NVIDIA Mellanox ConnectX-4 Lx EN Dual-Port 10/25GbE SFP28 network adapter. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for cost-effective 25GbE for virtualization hosts, homelabs and storage servers.
Key Specifications
- Controller: NVIDIA Mellanox ConnectX-4 Lx EN
- Ports: 2x SFP28, 10/25GbE
- Host interface: PCIe 3.0 x8
- Protocol: Ethernet
- Key features: RoCE v1/v2, SR-IOV, VXLAN/NVGRE offloads, DPDK
- Bracket: Full-height (tall) bracket
Works With
Pairs with SFP28 25G DACs and 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.
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.
MCX4121A-ACAT is the NVIDIA Mellanox ConnectX-4 Lx EN Dual-Port 10/25GbE SFP28 network adapter. This listing is a refurbished, genuine NVIDIA/Mellanox card, built for cost-effective 25GbE for virtualization hosts, homelabs and storage servers.
Key Specifications
- Controller: NVIDIA Mellanox ConnectX-4 Lx EN
- Ports: 2x SFP28, 10/25GbE
- Host interface: PCIe 3.0 x8
- Protocol: Ethernet
- Key features: RoCE v1/v2, SR-IOV, VXLAN/NVGRE offloads, DPDK
- Bracket: Full-height (tall) bracket
Works With
Pairs with SFP28 25G DACs and 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.
Warranty & Shipping
Backed by the Resilient Tec lifetime warranty with a compatibility guarantee. Free standard shipping on all US orders.