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Mellanox MCX512A-ACAT Network Adapter

Part Number: MCX512A-ACAT

Technical Details

Dual-port 25G SFP28 network adapter with PCIe 3.0 x8 interface, providing low-latency RDMA, RoCE, and 1/10/25GbE compatibility for enterprise data centers.
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Product & Solutions Expert

Product & Solutions Expert

Accelerate Data Center Performance with Low-Latency 25G Connectivity

The Mellanox MCX512A-ACAT ConnectX-5 network adapter is engineered for high-performance data center, cloud, and enterprise environments. Delivering dual-port 25GbE connectivity with advanced RDMA capabilities, it significantly reduces latency and CPU overhead while maximizing throughput. Built on PCIe 3.0 x8 architecture, this adapter ensures efficient data transfer for modern workloads requiring scalable and reliable network performance.

Key Benefits & Features

  • Dual-Port 25G SFP28 Connectivity: Enables high-bandwidth networking with support for 1GbE, 10GbE, and 25GbE speeds, ensuring flexible deployment across evolving infrastructures.
  • RDMA and RoCE Acceleration: Supports RDMA over Converged Ethernet (RoCE), reducing latency and CPU utilization for storage, virtualization, and HPC workloads.
  • Advanced Offload Technologies: Includes LSO, LRO, RSS, and TSS to optimize packet processing and improve application performance in high-throughput environments.
  • PCIe 3.0 x8 High-Speed Interface: Provides fast data transfer rates with efficient bandwidth utilization, ideal for modern servers and compute platforms.
  • Enterprise-Grade Networking Features: Supports VLAN, QoS, jumbo frames, PXE boot, and IEEE standards for secure and scalable network operations.

Ideal Use Cases

  • Data center and cloud infrastructure deployments
  • High-performance computing (HPC) environments
  • Virtualization and hyper-converged systems
  • Storage networks and iSCSI deployments
  • Enterprise server network upgrades to 25GbE

Technical Specifications Summary

  • Ports: 2 x 25GbE SFP28
  • Data Rate: 1/10/25 Gb/s Ethernet
  • Interface: PCI Express 3.0 x8 (8.0 GT/s)
  • Form Factor: Low-profile plug-in card
  • Protocols: TCP/IP, UDP/IP, iSCSI
  • Key Features: RDMA, RoCE, VLAN, QoS, Jumbo Frames
  • Power Consumption: Typical 9.5W, Max 11.8W (Passive Cable)
  • Connector Type: Dual SFP28 (optical and copper)
  • Standards: IEEE 802.1Q, 802.3ad, 802.3by, IEEE 1588v2

Upgrade to High-Speed 25G Networking Today

Enhance your infrastructure with reliable, low-latency connectivity using the Mellanox ConnectX-5 adapter. Order today to boost network performance and scalability.

Properties

Model MCX512A-ACAT
Brand Mellanox
Product Type Network Adapter
Form Factor Plug-in Card (Low Profile)
Interface PCI Express 3.0 x8
Ports Dual SFP28
Port Speed 25 Gigabit Ethernet (25GbE)
Data Rate 1/10/25 Gb/s
Connectivity Technology Wired
Protocols Supported TCP/IP, UDP/IP, iSCSI
Standards IEEE 802.1Q, 802.1p, 802.3ad, 802.3ae, 802.3ap, 802.3az, 802.1ax, 802.1qbb, 802.1qaz, 802.1qau, 802.1qbg, IEEE 1588v2, 802.3by
Features RDMA, RoCE, VLAN support, QoS, Jumbo Frames, PXE, LSO, LRO, RSS, TSS, UEFI, XRC, DCT, ODP
Connector Type SFP28 (Copper and Optical)
Voltage 12V
Typical Power Consumption 9.5W (Passive Cable)
Maximum Power Consumption 11.8W (Passive Cable)
Max Power per Port 1.5W
Dimensions 68.90 mm x 142.24 mm
Operating Temperature 0C to 55C
Storage Temperature -40C to 70C
Humidity 10% to 85% (operational)

Specifications

Bus Interface PCI Express Gen3, 8 lanes (8.0 GT/s)
Ethernet Support 25GBASE-CR/CR-S, 25GBASE-SR, 25GBASE-LR, 25G Ethernet Consortium, 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, 10GBASE-CX4, SGMII, 1000BASE-X
Offload Technologies Large Send Offload (LSO), Large Receive Offload (LRO), Receive Side Scaling (RSS), Transmit Side Scaling (TSS)
RDMA Support RDMA over Converged Ethernet (RoCE), XRC, DCT, ODP
Virtualization SR-IOV, Multi-Host Support
Boot Support PXE, UEFI
Time Synchronization IEEE 1588v2
Jumbo Frames Supported
QoS Supported
Airflow Requirement Refer to Airflow Specifications
Compliance PCIe 3.0 (backward compatible with 2.0 and 1.1)

Shipping

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Products are shipped Monday through Friday via UPS/FedEx/USPS. The estimated delivery time is 1-6 business days depending on location. If “Free Shipping” is offered, it will be by Ground only and within USA Continental States Only (48 States). There will be a surcharge on shipments to Hawaii, Alaska, Puerto Rico and APO/FPO addresses. After you have made a purchase, the surcharge will be calculated using the parcel’s weight and size. Network Devices Inc ships the product the same day of receiving an order. Otherwise you will a receive notification of delay or cancellation of said order.
 
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