---
product_id: 299854346
title: "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: "A$60"
currency: AUD
in_stock: true
reviews_count: 13
category: "Ulansen"
url: https://www.desertcart.com.au/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps
store_origin: AU
region: Australia
---

# 2.5Gbps ultra-fast speed Cross-platform OS compatibility PCIe x1/x4/x8/x16 versatile slot support 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:** A$60
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your network, upgrade your workflow!

## Quick Answers

- **What is this?** 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?** A$60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps)

## 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

- • **Blazing 2.5G Speed:** Experience lightning-fast data transfer up to 2.5Gbps—future-proof your network now.
- • **Wake on LAN & PXE Ready:** Stay in control with advanced network boot and remote wake-up features for pro setups.
- • **Cross-Platform Powerhouse:** Works flawlessly across Windows, Linux, and macOS—no OS left behind.
- • **Universal PCIe Compatibility:** Seamlessly fits into any PCIe slot (x1, x4, x8, x16) for ultimate flexibility.
- • **Low Profile, High Performance:** Compact design with low-profile bracket perfect for sleek, space-conscious builds.

## Overview

The ULANSEN RTL8125B 2.5GBase-T PCIe Network Adapter delivers ultra-fast 2.5Gbps Ethernet speeds with broad PCIe slot compatibility and multi-OS support, including Windows, Linux, and macOS. Its low-profile design and advanced features like PXE boot and Wake on LAN make it an essential upgrade for professionals seeking reliable, high-performance networking.

## Description

Upgrade your network with this 2.5GBase-T PCIe adapter. Supports speeds up to 2500/1000/100Mbps for fast, reliable data transfer on Windows, Linux, and Mac systems.

Review: Super bit of kit - Simple, plug and play, works as it should, nicely packaged.
Review: Doing the job - Doing the job fine as far as I can tell.

## 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 |
|---------------|-------|
| ASIN | B08V1HG47H |
| Are Batteries Included | No |
| Best Sellers Rank | 13,954 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 32 in Network Cards |
| Brand | ULANSEN |
| Colour | red / black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,534) |
| Date First Available | 2 Feb. 2021 |
| Guaranteed software updates until | unknown |
| Item Weight | 80 g |
| Item model number | RTL8125B |
| Manufacturer | ULANSON |
| Operating System | ['Windows', 'macOS', 'Linux'] |
| Product Dimensions | 7.1 x 5 x 0.2 cm; 80 g |

## Product Details

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

## Images

![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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Super bit of kit
*by B***E on 10 February 2025*

Simple, plug and play, works as it should, nicely packaged.

### ⭐⭐⭐⭐⭐ Doing the job
*by M***M on 17 March 2025*

Doing the job fine as far as I can tell.

### ⭐⭐⭐⭐⭐ It's good
*by L***X on 10 October 2025*

Great. I've been using this on my desktop PC, and it's been flawless: it sends and receives data like a champ.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.au/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps](https://www.desertcart.com.au/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-13*