[shortdesc] 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. [/shortdesc]

[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)

[/properties]

[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)

[/specifications]

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.