Mellanox ConnectX-5 EN MCX512F-ACAT Dual-Port 25GbE SFP28 PCIe 3.0 x16 Adapter – Used

Description

Mellanox ConnectX-5 EN MCX512F-ACAT Dual-Port 25GbE SFP28 Adapter

The Mellanox (NVIDIA) MCX512F-ACAT is a ConnectX-5 EN Ethernet adapter with two SFP28 ports that run at 25GbE or 10GbE. It uses a PCIe 3.0 x16 host interface and offers RDMA over Converged Ethernet (RoCE), SR-IOV and hardware offloads for virtualization and storage traffic.

Condition: used, in good working condition. Light cosmetic wear is possible. You get the part shown in the photos; cables, drivers and other accessories are not included unless listed.

Specifications

Brand	Mellanox
Model	MCX512F-ACAT
Controller	Mellanox ConnectX-5 EN
Ports	2x SFP28, 25GbE / 10GbE
Host interface	PCIe 3.0 x16
Features	RoCE, SR-IOV, overlay network offloads
Condition	Used

Compatibility

• Servers and workstations with a free PCIe slot of the stated width or wider
• Works with Windows Server, Linux and VMware ESXi using the vendor drivers
• Optics or DAC cables are sold separately; use transceivers that match the port type

Shipping

• Ships from our US warehouses
• Orders placed by 3 PM Eastern ship the same business day
• Free ground shipping (3–5 business days) to all US addresses
• FedEx 2Day Air available at checkout

Frequently asked questions

Does it include transceivers or cables?
No. Optics and DAC cables are sold separately. Ask us if you need matching transceivers.

Which bracket does it have?
It ships with the bracket shown in the photos. Contact us before ordering if you need a different height.

What is your shipping cutoff?
Orders placed by 3 PM Eastern (Monday–Friday) ship the same business day. Need a later cutoff? Contact us at sales@techontime.net or 303-222-8038, and we’ll do our best on a case-by-case basis.

Not sure it fits your system?
Send us your server or system model and the label of your current part at sales@techontime.net or call 303-222-8038, and we’ll confirm before you order.