Mellanox Technologies CX311A Connectx-3 EN Single-Port 10Gbps PCI-Express 3.0 x8 Network Adapter

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Overview

Specifications

Model Number: CX311A

Brand: Mellanox Technologies

Alt. Part Number(s): CX311A

Product Type: Network Adapter

Technical Description

Brand: Mellanox Technologies

Model: CX311A

Series: ConnectX-3 EN

Device Type: Network Adapter

Interface (Bus) Type: PCI Express 3.0 x8

Connectivity Technology: Wired

Data Link Protocol: 10 Gigabit Ethernet, Fibre Channel over Ethernet (FCoE)

Network / Transport Protocol: TCP/IP, UDP/IP, iSCSI

Data Transfer Rate: 10 Gbps

Compliant Standards: IEEE 802.1Q, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3az

Remote Management Protocol: RMON, RMON 2

Microsoft Certifications: Compatible with Windows 7

OS Required: Microsoft Windows Compute Cluster Server 2003, Microsoft Windows HPC Server 2008, Microsoft Windows Server 2008, Red Hat Enterprise Linux, VMware ESX Server 3.5

Compatibility: PC

Depth: 4 in

Height: 2.1 in

Features

DiffServ support

Jumbo Frames support

Quality of Service (QoS)

RDMA support

Auto-negotiation

Product information, pricing, availability, images or discounts are subject to change without notice and may not always reflect the most current details. In the event of pricing or availability discrepancies, we reserve the right to cancel or adjust orders. Customers will be notified and may choose to proceed or cancel.

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Trusted seller

The website provided detailed information, and I received a brand new PNY version RTX Pro 6000 at a reasonable price. Shipping was fast. My only suggestion is to confirm the customs clearance agency with the customer before exporting to Canada to avoid delays. Overall, shopping here is trustworthy.

Fast and easy transaction! Will buy from them again!

Although the product itself was unsucc6for our purposes, the customer uce was exceptional. I would gladly go business with this company again.

I would certainly recommend Saitech, Inc. for all your IT solutions. Erwin our sales rep and his team are fantastic to work with.

As a dark matter researcher building a university-grade dual-node system at home, I sourced an RTX Pro6000 Blackwell GPU from eSaitech—paired with i9-14900Ks, 128GB RAM per node, 20TB of NVMe across 4/4/8/4TB partitions, and Ubuntu 24.04. The build was flawless—until I accidentally charged the $8,000 GPU to my checking account via PayPal instead of the intended credit card. That misstep triggered a cascade of issues across PayPal, my bank, and eSaitech’s Shopify backend. Enter MaryLou from eSaitech customer service. She didn’t just help—she orchestrated a full recovery: coordinating RMA and accounting to reverse the charge, reprocess it correctly, and clear the default with PayPal. I was stunned. This wasn’t just good service—it was spectacular. From a company I’d never worked with, and to whom I technically owed money. The GPU arrived fast, at the lowest price I could find anywhere. But it’s the integrity and responsiveness of their team that truly impressed me. I don’t even know how to thank them properly. If you’re sourcing high-end components and value not just price but people, eSaitech earns my highest recommendation. Note my system below -

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Mellanox Technologies CX311A Connectx-3 EN Single-Port 10Gbps PCI-Express 3.0 x8 Network Adapter

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Mellanox Technologies CX311A Connectx-3 EN Single-Port 10Gbps PCI-Express 3.0 x8 Network Adapter