---
product_id: 545579809
title: "1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI…"
brand: "lemspum"
price: "₨17610"
currency: LKR
in_stock: true
reviews_count: 8
category: "Lemspum"
url: https://www.desertcart.lk/products/545579809-1-25gb-pcie-x1-converged-ethernet-network-card-single-copper
store_origin: LK
region: Sri Lanka
---

# 1.25Gbps blazing speed PCIe x1/x16 versatile slot RJ45 copper port, Cat6A/7 ready 1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI…

**Brand:** lemspum
**Price:** ₨17610
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your network game with 1.25Gbps speed and unmatched versatility!

## Quick Answers

- **What is this?** 1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI… by lemspum
- **How much does it cost?** ₨17610 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/545579809-1-25gb-pcie-x1-converged-ethernet-network-card-single-copper)

## Best For

- lemspum enthusiasts

## Why This Product

- Trusted lemspum brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play RJ45 Port:** Easy installation with broad compatibility across switches, routers, and servers using Cat6A/7 cables.
- • **Cross-Platform Powerhouse:** Supports Windows, Linux, VMware, and FreeBSD—perfect for diverse enterprise environments.
- • **Blazing 1.25Gbps Throughput:** Experience ultra-fast, reliable network speeds that keep your data center ahead of the curve.
- • **Universal PCIe Compatibility:** Fits seamlessly into PCIe x1, x4, x8, or x16 slots for flexible, cost-effective deployment.
- • **Low Profile, High Performance:** Includes low-profile bracket for sleek, space-saving server or desktop integration without compromise.

## Overview

This 1.25Gb PCIe x1 Ethernet network card, powered by the Intel I210-AT chipset, delivers blazing 1.25Gbps speeds with backward compatibility to 10/100/1000Mbps. Featuring a single RJ45 copper port compatible with Cat6A/7 cables, it supports a wide range of operating systems including Windows Server, Linux, and VMware ESXi. Its flexible PCIe interface fits x1 to x16 slots, and the included low-profile bracket ensures easy installation in compact systems. Ideal for professionals seeking reliable, high-performance networking in data centers or enterprise setups.

## Description

Controller: Intel Ethernet Controller I210-AT. The Ethernet Server Adapter compatible with Intel I210 is specifically designed for high-performance network devices such as servers, with features such as low power consumption, high performance, and stability. It is suitable for various operating systems and can be used in a wide range of applications. Data Rate Per Port: 1.25Gbps/1Gbps/100 Mbps/10Mbps. 1.25g RJ45-Port network card with VLAN tagging transmission rate can reach up to 1.25Gbps,and it also supports 10/100/1000Mbps speed and is backward compatible with these transmission rates. It can automatically adapt to different speed network environments, providing efficient, stable, and reliable network connectivity. Supported Operating Systems: Widows 7/8/10/11, Windows Server 2008 R2/2012 R2/2016/2019/2022, VMware ESX/Esxi 5/6/7, FreeBSD 7/8/9/10/11/12/13 ,Linux kernel 2.4.x, 2.6.x, 3.x, 4.x, and 5.x (including most distributions such as Ubuntu, CentOS, and Debian) , SUES 11/12/15, etc. Interface: PCI-E 2.1 x1/x4/x8/16 slot Port: 1 x RJ45 Cable Type: Cat5e/Cat6/Cat6A or higher cable is recommended Support: DCB,SR-IOV, RSS, TCP/IP, WoL, PXE and ISCSI,PCoE and VMDq Support IEEE 802.3az EEE, IEEE 1588 PTP,IEEE 802.1Q for increased efficiency and reduced power. The difference between RJ45 and SFP Port for I210 NIC The RJ45 interface is typically used in Ethernet LANs and Internet access scenarios. Its advantages include easy installation, configuration, and maintenance, as well as wide compatibility with most networking devices such as switches, routers, and computers. The SFP interface is suitable for long-distance transmission, high-speed data transfer or special network environments (such as fiber optic networks). The SFP interface can use various types of optical modules, supporting different types of fiber and transmission distances. Package Contents: 1 x 1.25GbE Ethernet Server with Full height Bracket 1 x Low-profile Bracket

Review: Works only with a transceiver - I put this card in my five-year-old Dell Windows 11 desktop in order to take advantage of fiber internet speeds. You'll need to pair it with an SFP+ R45 transceiver to use it with Ethernet. I used a transceiver from 10Gtek and it's working great. You'll also need the latest X520 driver pack from the Intel website; I used v29.4. The auto-install didn't find the NIC so I used Device Manager's Update Driver function and pointed it to the folder where I'd unzipped the driver, and it installed fine.
Review: Works great - Works perfectly in Windows 11 and doesn't seem picky with sfp+ modules. You do have to install the driver manually but for the price I can live with that.

## Features

- Compatible with I210-AT, the networking adapter transfer rate can reach up to 1250Mbps, is a flexible adapter for your networking requirements.
- Port: 1x Copper RJ45. Can be connected with Category-6A/Category-7 for meeting the demands of data center environments.
- Interface Type: PCIe v2.1(2.5GT/s)x1 Lane,also compatible with x4, x8, x16 Slot. Enable the most cost-effective deployment of 1GbE in the data center.
- Short profile bracket will be packaged. The low profile bracket will make it can be installed in a small form factor/low profile computer case/server.
- Supported OS:Widows 7/8/10/11, Windows Server 2008 R2/2012 R2/2016/2019/2022, VMware ESX/Esxi 5/6/7, FreeBSD 7/8/9/10/11/12/13 ,Linux kernel 2.4.x, 2.6.x, 3.x, 4.x, and 5.x (including most distributions such as Ubuntu, CentOS, and Debian) , SUES 11/12/15, etc.
- The RJ45-Port interface is typically used in Ethernet LANs and Internet access scenarios. Its advantages include easy installation, configuration, and maintenance, as well as wide compatibility with most networking devices such as switches, routers, and computers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C53CQMC9 |
| Best Sellers Rank | #287 in Internal Computer Networking Cards |
| Brand | Lemspum |
| Built-In Media | Low Profile Bracket, NIC Card I210AT with Long Bracket |
| Color | I210-1*RJ45 Port |
| Compatible Devices | Desktop, Server, TCP/IP offload engine, insdustry control |
| Customer Reviews | 4.5 out of 5 stars 90 Reviews |
| Data Link Protocol | Fast Ethernet |
| Data Transfer Rate | 1250 Megabits Per Second |
| Hardware Interface | Ethernet, PCI Express x1 , PCI Express x16, PCI Express x4, PCI Express x8 |
| Item Height | 0.01 miles |
| Item Weight | 0.02 Kilograms |
| Manufacturer | Splensun |
| Warranty Description | We provide 30-day return or refund and 12-month warranty service for any quality issue and lifetime technology support. |

## Product Details

- **Brand:** Lemspum
- **Hardware Interface:** Ethernet, PCI Express x1, PCI Express x16, PCI Express x4, PCI Express x8
- **Color:** I210-1*RJ45 Port
- **Compatible Devices:** Desktop, Server, TCP/IP offload engine, insdustry control
- **Data Link Protocol:** Fast Ethernet
- **Data Transfer Rate:** 1250 Megabits Per Second
- **Item Weight:** 0.02 Kilograms
- **Manufacturer:** Splensun

## Images

![1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI… - Image 1](https://m.media-amazon.com/images/I/51S3BlbwIgL.jpg)
![1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI… - Image 2](https://m.media-amazon.com/images/I/61MEzEPxe9L.jpg)
![1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI… - Image 3](https://m.media-amazon.com/images/I/71CHebj-yqL.jpg)
![1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI… - Image 4](https://m.media-amazon.com/images/I/71D20W7u2vL.jpg)
![1.25Gb PCIe x1 Converged Ethernet Network Card, Single Copper RJ45 Port LAN Card Gigabit NIC with Intel I210-AT Chipset Server Support Windows Server/Windows/Linux/Vmware ESXI… - Image 5](https://m.media-amazon.com/images/I/71bMGp+QkRL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works only with a transceiver
*by V***M on December 20, 2024*

I put this card in my five-year-old Dell Windows 11 desktop in order to take advantage of fiber internet speeds. You'll need to pair it with an SFP+ R45 transceiver to use it with Ethernet. I used a transceiver from 10Gtek and it's working great. You'll also need the latest X520 driver pack from the Intel website; I used v29.4. The auto-install didn't find the NIC so I used Device Manager's Update Driver function and pointed it to the folder where I'd unzipped the driver, and it installed fine.

### ⭐⭐⭐⭐⭐ Works great
*by C***A on October 13, 2025*

Works perfectly in Windows 11 and doesn't seem picky with sfp+ modules. You do have to install the driver manually but for the price I can live with that.

### ⭐⭐⭐⭐⭐ Worked Right Out of the Box Windows 11
*by J***H on April 30, 2024*

I would give this card 6 Stars if I could. Literally plugged it in and it took right off. Windows 11 recognized the card as a Intel I210 Gigabit Fiber Network Connection. I used an MTXNEO 1.25G 1310NM 20KM DDM SFP module. Interesting these cards do not have a heat sync on the main chip like most Intel cards. However, the Intel I210 card does not have a heat sync either. So absolutely no worries. At the time of this review these cards were selling for $10.99. Let me tell you, this is a steal! I will for sure be purchasing more of these cards. Will let this one run for a while. If it fails within a short period of time I will update my review. For sure not expecting any issues.

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-24*