---
product_id: 291688641
title: "ULANSeN 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile"
brand: "ulansen"
price: "€ 55.67"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/291688641-ulansen-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000
store_origin: ES
region: Spain
---

# 2.5Gbps ultra-fast Ethernet Cross-platform OS compatibility PCIe x1/x4/x8/x16 versatile slot support ULANSeN 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile

**Brand:** ulansen
**Price:** € 55.67
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your network, upgrade your hustle!

## Quick Answers

- **What is this?** ULANSeN 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile by ulansen
- **How much does it cost?** € 55.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/291688641-ulansen-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000)

## Best For

- ulansen enthusiasts

## Why This Product

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

## Key Features

- • **Multi-OS Mastery:** Plug and play across Windows, macOS, Linux, and even legacy systems—future-proof your network.
- • **Blazing 2.5G Speed:** Experience lightning-fast data transfer up to 2.5Gbps for seamless streaming and gaming.
- • **Wake on LAN & PXE Ready:** Power up and boot remotely with advanced Wake on LAN and PXE support.
- • **Universal PCIe Compatibility:** Fits effortlessly into any PCIe slot (x1, x4, x8, x16) for ultimate flexibility.
- • **Low Profile, High Performance:** Compact design fits small form-factor PCs without sacrificing speed or reliability.

## Overview

The ULANSeN RTL8125B PCIe Network Adapter delivers blazing 2.5Gbps Ethernet speeds with broad PCIe slot compatibility and extensive OS support, including Windows, macOS, and Linux. Its low-profile design and advanced features like Wake on LAN and PXE make it the perfect upgrade for professionals demanding reliable, high-speed connectivity across diverse systems.

## Description

Full description not available

## Features

- Compatible for X1,X4,X8,X16
- Comes with low profilce bracket
- Support PXE function and Wake on LAN
- Support DSM,PVE,ikuai,unraid6.9.2, OpenWrt ESXI6.7 (Doesn’t support ESXI 7.0)
- Freely compatible, the network card can support multiple system: Windows ME/98SE/2000/XP, Win7 / Win8 / Win10 / Vista / Sever 2003/2008 / 2012 /2016/ Linux / DOS/MAC OS

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | ULANSeN |
| Product Dimensions | 7.1 x 5 x 0.2 cm; 80 g |
| Item model number | RTL8125B |
| Manufacturer | ULANSON |
| Color | red / black |
| Operating System | ['Windows', 'macOS', 'Linux'] |
| Are Batteries Included | No |
| Item Weight | 80 g |

## Product Details

- **Brand:** ULANSeN
- **Hardware interface:** Ethernet
- **Product dimensions:** 7.1L x 5W x 0.2H centimeters
- **Style:** Classic
- **Compatible devices:** Laptop

## Images

![ULANSeN 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile - Image 1](https://m.media-amazon.com/images/I/61jNjSNSj3L.jpg)

## Frequently Bought Together

- 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile
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**Shop now:** [https://www.desertcart.es/products/291688641-ulansen-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000](https://www.desertcart.es/products/291688641-ulansen-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-13*