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NVIDIA · Network Adapter

MCX512A-ACAT

NVIDIA ConnectX-5 EN Ethernet Network Adapter

Manufacturer
NVIDIA
Family / generation
ConnectX-5
Product type
Network Adapter
Lifecycle
Discontinued / EOL

Current availability is confirmed at RFQ.

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Product overview

MCX512A-ACAT is the exact legacy OPN for an NVIDIA ConnectX-5 EN PCIe HHHL Ethernet adapter with two SFP28 ports supporting 1/10/25 Gb/s Ethernet and a PCIe 3.0 x8 host interface. NVIDIA maps this exact OPN to SKU 900-9X5AZ-0053-0T3, and its firmware documentation maps it to PSID MT_0000000080. NVIDIA lists MCX512A-ACUT separately as the UEFI-enabled x86/Arm ordering configuration, so installed-base buyers should verify the full OPN rather than substitute a sibling ConnectX-5 variant. The ConnectX-5 product line is end-of-life; current availability remains governed separately and is confirmed by RFQ.

Exact identifiers

Legacy OPNMCX512A-ACAT
NVIDIA SKU900-9X5AZ-0053-0T3
PSIDMT_0000000080

Verified technical specifications

Protocol
ethernet
Maximum network speed
25 Gb/s
Port count
2
Port type
SFP28
PCIe generation
PCIe 3.0
PCIe lanes
x8

Lifecycle & procurement context

Manufacturer lifecycle: Discontinued / EOL

NVIDIA's EOL ordering table lists MCX512A-ACAT as a ConnectX-5 EN 25GbE dual-port SFP28 PCIe 3.0 x8 tall-bracket adapter and lists MCX512A-ACUT separately with UEFI enabled for x86/Arm. This distinction is ordering-configuration evidence, not a general inference from the suffix.

Lifecycle is manufacturer product status, not a statement of current stock. Availability and price are confirmed by RFQ.

Verified Manufacturer & OEM Sources

Official manufacturer or OEM technical sources supporting the product identity and facts shown here. These sources establish product facts; they are separate from YOSHI material inspection.

NVIDIA

NVIDIA ConnectX-5 EN PCIe Ethernet Adapter Cards User Manual

Manufacturer official · Verified 2026-09-05

Claims supported by this source

Exact MPN
Applies at Exact-MPN level
Exact product identity
Applies at Exact-MPN level
Form factor
Applies at product model/family level
Identifier
Applies at Exact-MPN level
Lifecycle status
Applies at product model/family level
Manufacturer
Applies at product model/family level
Maximum network speed
Applies at Exact-MPN level
NVIDIA SKU
Applies at Exact-MPN level
PCIe generation
Applies at Exact-MPN level
PCIe lanes
Applies at Exact-MPN level
Port count
Applies at Exact-MPN level
Port type
Applies at Exact-MPN level
Procurement note
Applies at Exact-MPN level
Product category
Applies at product model/family level
Product family / generation
Applies at product model/family level
Product model
Applies at product model/family level
Product type
Applies at product model/family level
Protocol support
Applies at product model/family level

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