--- product_id: 87067112 title: "ConnectX-3 EN Network Adapter MCX312A-XCBT" brand: "mellanox" price: "£161.60" currency: GBP in_stock: true reviews_count: 3 url: https://www.desertcart.co.uk/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt store_origin: GB region: United Kingdom --- # Ultra-low latency RDMA Dual Gigabit Ethernet ports PCIe 3.0 high throughput ConnectX-3 EN Network Adapter MCX312A-XCBT **Brand:** mellanox **Price:** £161.60 **Availability:** ✅ In Stock ## Summary > ⚡ Connect faster, work smarter — the network adapter your data deserves! ## Quick Answers - **What is this?** ConnectX-3 EN Network Adapter MCX312A-XCBT by mellanox - **How much does it cost?** £161.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt) ## Best For - mellanox enthusiasts ## Why This Product - Trusted mellanox brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Data Center Ready:** Built-in Data Center Bridging and TCP/IP stack support for enterprise-grade performance. - • **Dual-Port Powerhouse:** Two Gigabit Ethernet ports ensure robust, reliable network redundancy and speed. - • **Next-Gen Virtualization:** Accelerate your virtual environments with cutting-edge virtualization offloads. - • **Blazing Fast Connectivity:** Experience industry-leading throughput and ultra-low latency for seamless data flow. - • **Seamless I/O Consolidation:** Simplify your infrastructure by combining multiple data streams over a single adapter. ## Overview The Mellanox ConnectX-3 EN MCX312A-XCBT is a compact, high-performance network adapter designed for Mac systems, featuring dual Gigabit Ethernet ports, PCI Express 3.0 interface, and ultra-low latency RDMA over Ethernet. It supports advanced virtualization acceleration and data center bridging, making it ideal for professional environments demanding speed, reliability, and efficient I/O consolidation. ## Description Mellanox ConnectX-3 EN Gigabit Ethernet Media Access Controller (MAC) with PCI Express 3.0 delivers high-bandwidth and industry-leading Ethernet connectivity for performance-driven server and storage applications in enterprise data centers, high-performance computing, and embedded environments. Clustered databases, web infrastructure, and high frequency trading are just a few applications that will achieve significant throughput and latency improvements resulting in faster access, real-time response and more users per server. ConnectX-3 EN improves network performance by increasing available bandwidth while decreasing the associated transport load on the CPU especially in virtualized server environments. ConnectX-3 is well suited for blade server and LAN on Motherboard (LOM) designs. Its integrated PHYs, and minimal additional external component requirements were designed for a small PCB footprint. It also has an array of power saving features with real-time monitors that lower total system power usage. ## Features - Industry-leading throughput and latency performance - I/O consolidation - Virtualization acceleration - TCP/UDP/IP and iSCSI stacks - Dual Gigabit Ethernet Ports - Pci Express 3.0 - Low latency RDMA over Ethernet - Data Center Bridging Support ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Mellanox | | Series | MCX312A-XCBT | | Item model number | MCX312A-XCBT | | Operating System | Mac | | Item Weight | 0.353 ounces | | Product Dimensions | 1 x 1 x 1 inches | | Item Dimensions LxWxH | 1 x 1 x 1 inches | | Color | Assorted | | Manufacturer | Mellanox | | ASIN | B00EONDWP4 | | Is Discontinued By Manufacturer | No | | Date First Available | June 17, 2012 | ## Product Details - **Brand:** Mellanox - **Hardware Interface:** PCI - **Color:** Assorted - **Compatible Devices:** Desktop - **Data Link Protocol:** Gigabit Ethernet - **Data Transfer Rate:** 10000 Megabits Per Second - **Compatible Operating System Family:** Linux, Windows - **Global Trade Identification Number:** 07290107197083 - **Manufacturer:** Mellanox ## Images ![ConnectX-3 EN Network Adapter MCX312A-XCBT - Image 1](https://m.media-amazon.com/images/I/81ki-Wk+UxL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bracked supplied seems random otherwise, good deal. *by N***H on November 9, 2023* Good price, card arrived in good functional condition. Came with FH bracket, not the HH I needed. But thats ok. ### ⭐⭐⭐⭐ Half bracket height *by R***T on May 13, 2020* I that it was gonna come with both the half and full bracket height on the adapter.It only comes with the half bracket height. I needed the full bracket height.Disappoint ### ⭐⭐⭐⭐ worked out of box with proxmox/ryzen, missing full length bracket *by J***N on May 23, 2020* would be 5 stars if not for the missing backet ## Frequently Bought Together - Mellanox ConnectX-3 EN Network Adapter MCX312A-XCBT - 10GTEK 10GBase-SR SFP+ LC Transceiver, 10G 850nm Multimode SFP Module, up to 300 Meters, for Cisco SFP-10G-SR, Meraki MA-SFP-10GB-SR, Ubiquiti UniFi UF-MM-10G, Fortinet, TP-Link and More, Pack of 2 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt](https://www.desertcart.co.uk/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-15*