--- product_id: 551901057 title: "RTL8125-2.5G-4T-X4" brand: "10gtek" price: "1525 kr" currency: NOK in_stock: true reviews_count: 7 category: "10 Gtek" url: https://www.desertcart.no/products/551901057-rtl8125-2-5g-4t-x4 store_origin: NO region: Norway --- # 2.5Gbps max speed Quad RJ-45 ports PCIe 2.1 x4 interface RTL8125-2.5G-4T-X4 **Brand:** 10gtek **Price:** 1525 kr **Availability:** ✅ In Stock ## Summary > 🚀 Quad-port 2.5G NIC: Power your network like a pro, because speed waits for no one. ## Quick Answers - **What is this?** RTL8125-2.5G-4T-X4 by 10gtek - **How much does it cost?** 1525 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/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 - • **Jumbo Frame Support:** Optimize large data transfers with jumbo frames, reducing CPU load and boosting efficiency for heavy workloads. - • **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. - • **Wake-on-LAN & Advanced Protocols:** Stay connected and in control with WOL, DPDK, iSCSI, and FCoE support—perfect for modern server and virtualization needs. ## Overview The 10Gtek Quad RJ-45 Network Card features a Realtek RTL8125BG controller delivering up to 2.5Gbps per port over PCIe 2.1 x4. Compatible with a wide range of operating systems including Windows, Linux, and VMware, it supports jumbo frames, Wake-on-LAN, and advanced networking protocols, making it an ideal choice for professionals seeking reliable, high-speed 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 Review: Works with proxmox - Works with M920q. With proxmox Review: Bad compatibility with Linux all around. - Arch, Debian, Fedora, Alpine... every one hangs trying to load the kernel. May be something with Supermicro hardware, but after a few hours toying around, I'm done and just returning this. ## 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 | #40 in Internal Computer Networking Cards | | Brand | 10Gtek | | Color | PCIe-X4 | | Compatible Devices | Server, Desktop | | Compatible Operating System Family | Linux, Windows | | Customer Reviews | 3.8 out of 5 stars 17 Reviews | | 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) ![RTL8125-2.5G-4T-X4 - Image 2](https://m.media-amazon.com/images/I/71vGGyrcJQL.jpg) ![RTL8125-2.5G-4T-X4 - Image 3](https://m.media-amazon.com/images/I/61Qic5tZ2pL.jpg) ![RTL8125-2.5G-4T-X4 - Image 4](https://m.media-amazon.com/images/I/71ynd6CJpsL.jpg) ![RTL8125-2.5G-4T-X4 - Image 5](https://m.media-amazon.com/images/I/61hg-gBblgL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works with proxmox *by C***Y on March 13, 2026* Works with M920q. With proxmox ### ⭐ Bad compatibility with Linux all around. *by A***Y on September 13, 2026* Arch, Debian, Fedora, Alpine... every one hangs trying to load the kernel. May be something with Supermicro hardware, but after a few hours toying around, I'm done and just returning this. ### ⭐⭐⭐⭐⭐ Works perfectly with OPNsense *by F***O on March 22, 2024* Upgraded my Internet Service Plan to 2 Gbps and this little gem fit the bill for my OPNsense firewall upgrade. Worked out of the box no problem. Note, however. If you encounter issues, OPNsense has a Realtek plugin with drivers you can install from the GUI ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/551901057-rtl8125-2-5g-4t-x4](https://www.desertcart.no/products/551901057-rtl8125-2-5g-4t-x4) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-10-13*