Name: MCX312B-XCCT Mellanox Dual 10Gb/s SFP+ PCIe 3.0 x8 Network Adapter
Brand: Mellanox
SKU: MCX312B-XCCT
Price: 59.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The MCX312B-XCCT Mellanox ConnectX-3 Pro network adapter offers dual 10Gb/s SFP+ connectivity and fast PCIe 3.0 x8 interface, making it suitable for servers that handle high-throughput networking tasks. It fits seamlessly into data center and enterprise setups where reliable, low-latency network access is essential.

General Information
Brand	Mellanox
Part Number	MCX312B-XCCT

Technical Information
Virtualization Support	SR-IOV, VXLAN, NVGRE, Geneve
Data Rate (Speed)	10GbE
Data Center Bridging	Yes
Storage Over Ethernet	iSCSI, FCoE (Fibre Channel over Ethernet)
Interface (Bus)	PCIe 3.0 x8
Number of Ports	2-Port (Dual)
OS Compatibility	RHEL, VMware ESXi
Network Management	SNMP, RMON
Offload Support	RDMA, RoCE v2, iSCSI, FCoE, PXE Boot, RoCE v1, Jumbo Frames
Bracket Height	Both Brackets Included

Connectivity & Physical
Form Factor	Standard PCIe Card
Port Type	SFP+
Cabling Type	AOC
Weight	5.00
Condition	Refurbished

Miscellaneous
Assembly Required	Yes
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, CE, FCC, UL

Product Description
The MCX312B-XCCT is a dual-port 10 Gigabit Ethernet network adapter designed to deliver reliable, high-performance connectivity for servers and workstations. Often found in data centers and enterprise networks, it provides robust bandwidth and low latency for demanding applications like virtualization, storage, and high-speed data processing. Built for IT professionals and system administrators, this adapter supports a variety of networking protocols and offloads that help optimize server workload and reduce CPU overhead. It’s commonly used in setups that require efficient network throughput combined with stability and versatility. Key Features Equipped with two SFP+ ports supporting 10Gb/s speeds each Utilizes PCI Express 3.0 x8 for quick communication with the host system Includes hardware offloads for TCP/IP and RDMA workloads Compatible with common operating systems and virtualization platforms Offers reliable performance for high-demand networking tasks This card is often deployed in enterprise server environments, data centers, and virtualized infrastructures where bandwidth and latency matter. Its role is to ensure smooth data flow and reduce processing bottlenecks, helping maintain efficient network operations.

Use Cases
The MCX312B-XCCT Mellanox ConnectX-3 Pro network adapter is primarily utilized in environments demanding high network throughput and low latency, such as enterprise data centers and virtualization platforms. IT professionals managing scalable network infrastructures benefit from its dual 10Gb/s SFP+ ports and PCIe 3.0 x8 interface for optimized connectivity and offload capabilities. How It's Used: Deploying in hyper-converged infrastructure setups to improve VM-to-VM communication within data centers. Integrating into enterprise server racks to provide high-speed connectivity for storage area networks (SANs). Supporting virtualization environments where efficient network offloading reduces CPU overhead. Enabling high-performance computing clusters that require low-latency inter-node communication. Implementing in edge computing nodes to maintain robust and scalable network access for real-time data processing. This network adapter enhances operational efficiency by accelerating data transfer and reducing processing latency across demanding workloads. Its compatibility with diverse network topologies supports scalable infrastructure growth while maintaining consistent performance standards.

MCX312B-XCCT Mellanox Dual 10Gb/s SFP+ PCIe 3.0 x8 Network Adapter

Product Overview

General Information

Technical Information

Connectivity & Physical

Miscellaneous

Product Description

Use Cases