---
product_id: 87067112
title: "ConnectX-3 EN Network Adapter MCX312A-XCBT"
brand: "mellanox"
price: "₩448375"
currency: KRW
in_stock: true
reviews_count: 3
url: https://www.desertcart.kr/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt
store_origin: KR
region: South Korea
---

# Ultra-low latency RDMA Dual Gigabit Ethernet ports PCIe 3.0 high throughput ConnectX-3 EN Network Adapter MCX312A-XCBT

**Brand:** mellanox
**Price:** ₩448375
**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?** ₩448375 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/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

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**Shop now:** [https://www.desertcart.kr/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt](https://www.desertcart.kr/products/87067112-connectx-3-en-network-adapter-mcx312a-xcbt)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-29*