---
product_id: 551901057
title: "RTL8125-2.5G-4T-X4"
brand: "10gtek"
price: "€ 129.51"
currency: EUR
in_stock: true
category: "10 Gtek"
url: https://www.desertcart.sk/products/551901057-rtl8125-2-5g-4t-x4
store_origin: SK
region: Slovakia
---

# 2.5Gbps max speed Quad RJ-45 ports PCIe 2.1 x4 interface RTL8125-2.5G-4T-X4

**Brand:** 10gtek
**Price:** € 129.51
**Availability:** ✅ In Stock

## Summary

> 🚀 Quad-port 2.5G NIC: Power your network like a pro, don’t get left behind!

## Quick Answers

- **What is this?** RTL8125-2.5G-4T-X4 by 10gtek
- **How much does it cost?** € 129.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/551901057-rtl8125-2-5g-4t-x4)

## Best For

- 10gtek enthusiasts

## Why This Product

- Trusted 10gtek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quad-Port Powerhouse:** Four RJ-45 ports for versatile multi-device connectivity or link aggregation—because one port is never enough.
- • **Plug & Play Versatility:** Broad OS compatibility from Windows 7 to Linux distros and VMware ensures effortless integration into any professional environment.
- • **Blazing 2.5Gbps Throughput:** Experience ultra-fast network speeds that keep your workflow seamless and future-proof your setup.
- • **PCIe 2.1 x4 Lane Interface:** High-bandwidth PCIe interface guarantees low latency and maximum throughput for demanding network tasks.
- • **Jumbo Frames & Advanced Protocols:** Optimize large data transfers with Jumbo Frames, WOL, DPDK, iSCSI, and FCoE support for enterprise-grade performance.

## Overview

The 10Gtek Quad RJ-45 Network Card with Realtek RTL8125BG controller delivers up to 2.5Gbps speeds across four Ethernet ports via a PCIe 2.1 x4 interface. Compatible with a wide range of operating systems including Windows, Linux, and VMware, it supports advanced networking features like Jumbo Frames, WOL, and iSCSI, making it an ideal choice for professionals seeking reliable, high-performance multi-port connectivity.

## Description

Buy 10Gtek 100M/1000M/2.5G NIC Network Card, Quad RJ-45 Port, with Realtek RTL8125BG Controller, Support Windows/Windows Server/Linux/Ubuntu/Centos/Vmware: Network Cards - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Controller(s)：Realtek RTL8125BG + ASMedia ASM1812.
- Quad RJ-45 Ports.(Note: Four ports working at the same time, the rate can not be full.)
- PCIe2.1, x4 Lane.
- Support Jumbo FramesWOL, DPDK, iSCSI, FCoE. Not-support PXE, VLAN.
- Compatible with Windows 7/8/10/11, Windows Server 2008 R2/2012/2016/2019, Linux 2.6.x to 5.x, Centos 6/7/8, Ubuntu 16/18/19/20, VMware ESXi 6. NOT SUPPORT ESXI 7/8, FREEBSD and HOT SWAPING.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BQ32FVKR |
| Best Sellers Rank | #60 in Internal Computer Networking Cards |
| Brand | 10Gtek |
| Color | PCIe-X4 |
| Compatible Devices | Server, Desktop |
| Compatible Operating System Family | Linux, Windows |
| Customer Reviews | 4.0 4.0 out of 5 stars (16) |
| Data Link Protocol | Ethernet |
| Data Transfer Rate | 2.5 gigabytes_per_second |
| Hardware Interface | PCIE x 4 |
| Item Weight | 0.17 kg |
| Manufacturer | 10Gtek |
| Mfr Part Number | RTL8125-2.5G-4T-X4-US |
| Minimum Required Operating System Version | Windows 7 |
| Model Number | RTL8125-2.5G-4T-X4-US |
| Number of Items | 1 |

## Product Details

- **Brand:** 10Gtek
- **Color:** PCIe-X4
- **Compatible Devices:** Server, Desktop
- **Compatible Operating System Family:** Linux, Windows
- **Data Link Protocol:** Ethernet
- **Data Transfer Rate:** 2.5 gigabytes_per_second
- **Hardware Interface:** PCIE x 4
- **Item Weight:** 0.17 kg
- **Minimum Required Operating System Version:** Windows 7
- **Number of Items:** 1

## Images

![RTL8125-2.5G-4T-X4 - Image 1](https://m.media-amazon.com/images/I/61IManDIk7L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- 100M/1000M/2.5G NIC Network Card, Quad RJ-45 Port, with Realtek RTL8125BG Controller, Support Windows/Windows Server/Linux/Ubuntu/Centos/Vmware
- 10Gtek 10Gb Dual RJ45 Port Network Card with X540 Controller, PCIe Ethernet LAN Adapter for Windows/Linux/ESX Servers, Compare to Intel X540-T2

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**Shop now:** [https://www.desertcart.sk/products/551901057-rtl8125-2-5g-4t-x4](https://www.desertcart.sk/products/551901057-rtl8125-2-5g-4t-x4)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-09-01*