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Cold Aisle
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MCX512A-ACATEquivalentRefurbished

ConnectX-5 EN Dual Port 25GbE SFP28 PCIe3 Adapter

NVIDIA Mellanox · our ref CA-NET-0118

The default 25G NIC for anyone running RoCE storage or a modern spine-leaf. Both brackets in the box so it fits whatever chassis turns up.

Labelling and firmware

Mellanox retail part, not the HPE or Dell OEM SKU. Same silicon; use the inbox or Mellanox driver

In the box: Both brackets supplied

Also sold under these numbers

Part numberSourceNotes
MCX512A-ACATNVIDIA MellanoxThe number we stock and label it under
ConnectX-5 ENNVIDIA MellanoxSame part, different reference
CX512ANVIDIA MellanoxSame part, different reference

Arrived with a number that is not listed? Send it over — we keep the cross-reference and will confirm before you commit. sales@coldaisle.co.uk

Specification

Ports2 x SFP28
Speed25GbE per port
InterfacePCIe 3.0 x8
OffloadsRoCEv2, SR-IOV, DPDK, overlay encapsulation
BracketFull and low profile brackets supplied

Test record

Link tested on both ports at 25G against a Mellanox switch, firmware updated

Supplied with the test result referenced to this part's serial, so it can go straight into your customer's change record. Warranty 24 months, advance replacement on a trade account — the replacement ships before the dead part gets back to us.

How we test and grade