---
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: "AR$106263"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps
store_origin: AR
region: Argentina
---

# 2.5Gbps ultra-fast LAN 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:** AR$106263
**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?** AR$106263 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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 network transfers up to 2.5Gbps—leave slow connections behind.
- • **Pro-Grade Features:** Wake-on-LAN and PXE boot support keep your system ready and remotely manageable.
- • **Low Profile, High Impact:** Compact design with low-profile bracket fits sleek builds without compromise.
- • **Cross-Platform Powerhouse:** Supports Windows, macOS, Linux, and more—your network upgrade, no matter your OS.
- • **Universal PCIe Compatibility:** Fits seamlessly into any PCIe slot (x1, x4, x8, x16) for ultimate flexibility.

## Overview

The ULANSEN RTL8125B 2.5GBase-T PCIe Network Adapter delivers ultra-fast 2.5Gbps Ethernet connectivity with broad PCIe slot compatibility and extensive OS support, including Windows, macOS, and Linux. Featuring advanced functions like Wake-on-LAN and PXE boot, this low-profile card is designed for professional setups demanding speed, flexibility, and remote management.

## Description

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

## 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 |
| Colour | red / black |
| Operating System | ['Windows', 'macOS', 'Linux'] |
| Are Batteries Included | No |
| Item Weight | 80 g |
| Guaranteed software updates until | unknown |

## Product Details

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

## 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)

## 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.com.ar/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps](https://www.desertcart.com.ar/products/299854346-2-5gbase-t-pcie-network-adapter-rtl8125b-2500-1000-100mbps)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-22*