---
product_id: 523514567
title: "25G Ethernet Network Card, 2X SFP28 Ports, PCIe 4.0 X8, Intel E810 Controller, Support Windows 10/11/2016/2019/2022 /Centos7/ Ubuntu20/Vmware/Esxi7.0(not Support MAC), Support RDMA/PXE"
brand: "10gtek"
price: "$573"
currency: NZD
in_stock: true
reviews_count: 9
category: "10 Gtek"
url: https://www.desertcart.nz/products/523514567-25g-ethernet-network-card-2x-sfp28-ports-pcie-4-0
store_origin: NZ
region: New Zealand
---

# PCIe 4.0 x8 interface for ultra-fast data lanes 2x SFP28 ports for 25GbE speed Advanced thermal design for cool, stable operation 25G Ethernet Network Card, 2X SFP28 Ports, PCIe 4.0 X8, Intel E810 Controller, Support Windows 10/11/2016/2019/2022 /Centos7/ Ubuntu20/Vmware/Esxi7.0(not Support MAC), Support RDMA/PXE

**Brand:** 10gtek
**Price:** $573
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade to 25G: Because your network deserves to be as fast as your ambition

## Quick Answers

- **What is this?** 25G Ethernet Network Card, 2X SFP28 Ports, PCIe 4.0 X8, Intel E810 Controller, Support Windows 10/11/2016/2019/2022 /Centos7/ Ubuntu20/Vmware/Esxi7.0(not Support MAC), Support RDMA/PXE by 10gtek
- **How much does it cost?** $573 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/523514567-25g-ethernet-network-card-2x-sfp28-ports-pcie-4-0)

## 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

- • **Blazing 25GbE Connectivity:** Dual SFP28 ports deliver lightning-fast 25Gbps throughput to future-proof your network.
- • **Next-Gen PCIe 4.0 Interface:** Harness full bandwidth with PCIe 4.0 x8 lanes, ensuring zero bottlenecks in high-demand workflows.
- • **Cross-Platform Compatibility:** Seamlessly supports Windows, Linux distros, VMware, and more—plug & play for diverse enterprise environments.
- • **Enterprise-Grade Reliability:** Intel E810 controller with RDMA and RoCEv2 support guarantees ultra-low latency and rock-solid stability.
- • **Sleek Low-Profile & Full-Height Options:** Fits perfectly in any server or workstation chassis, maximizing deployment flexibility.

## Overview

The E810-25G-2S-X8 is a high-performance 25Gb Ethernet network card featuring dual SFP28 ports and an Intel E810 controller. It supports PCIe 4.0 x8 for maximum throughput, offers broad OS compatibility including Windows, Linux, and VMware, and includes advanced features like RDMA and RoCEv2 for ultra-low latency. Designed for enterprise and professional use, it comes in both low-profile and full-height brackets, ensuring versatile installation options while maintaining efficient thermal management for stable, long-term operation.

## Description

desertcart.com: 25G Ethernet Network Card, 2X SFP28 Ports, PCIe 4.0 X8, Intel E810 Controller, Support Windows 10/11/2016/2019/2022 /Centos7/ Ubuntu20/Vmware/Esxi7.0(not Support MAC), Support RDMA/PXE : Electronics

Review: Rock-Solid 10GbE Performance with Enterprise-Grade Reliability - The 10Gtek 10Gb PCI-E NIC with the Intel X540-BT1 controller is an outstanding network upgrade for anyone needing fast, stable, and reliable 10-gig connectivity. Installation was quick and seamless — plug it into a PCIe slot, install the drivers, and it’s instantly recognized. The Intel X540 chipset is known for its reliability, and this card absolutely lives up to that reputation. From a performance standpoint, it’s excellent. I consistently achieve full 10GbE speeds during large file transfers, virtualization workloads, and NAS-to-PC operations. Latency is extremely low, and there’s zero packet loss or connection instability. The onboard controller handles offloading efficiently, reducing CPU load and keeping system performance smooth even during heavy data transmission. Thermals are well-managed too — the heatsink keeps the card cool, and I haven’t experienced any throttling or heat-related issues. The RJ45 port is sturdy and compatible with Cat6a/Cat7 for maximum throughput. For home labs, servers, workstation builds, or high-speed content workflows, this NIC is a top-tier option at an excellent value. Enterprise-level hardware, flawless stability, and true 10Gb performance.
Review: Seamless Connectivity and Efficiency - As a solutions architect who has recently started working from home, I needed a reliable and high-speed network card to handle my upgraded home internet connection, which is now a fiber connection at 5Gbps+. I also required higher throughput to my work's datacenter. The 10Gtek 10Gb Dual RJ45 Port Network Card with X540 Controller has proven to be an excellent choice. First and foremost, this network card delivers outstanding performance. With dual RJ45 ports and the X540 controller, it supports 10Gbps speeds, ensuring that my connection remains fast and stable. This has been crucial for my workflow, as I often need to transfer large files and access remote servers without any lag. Upgrading my home internet to a fiber connection at 5Gbps+ meant I needed a network card that could handle such speeds efficiently. The 10Gtek network card has met these demands perfectly, providing the necessary throughput to my work's datacenter. This has significantly improved my productivity, allowing me to access and manage data quickly and efficiently. The installation process was straightforward, and the card works seamlessly with my Windows systems and Hyper-V servers. The packaging was fantastic, and the install was as simple as expected. However, the only negative experience I had was finding compatible drivers. Windows Update didn’t recognize the hardware, and the manufacturer’s website didn’t have any readily available drivers. I ended up going to the chip manufacturer’s website and found the appropriate driver, which I successfully installed. No driver disks or instructions were provided. The build quality of this network card is on par with what I expected, providing a solid and functional product. It feels robust enough for long-term use without being overly impressive. Additionally, the card's design ensures efficient heat dissipation, preventing overheating even during prolonged use. One feature I particularly appreciate is the network activity lights, which, while almost standard, provide clear indicators of network status and activity. The device is also void of any additional noise, making it ideal for a quiet home office environment. Additionally, the value for the money is exceptional. This network card offers high-end performance and features at a reasonable price point, making it a great investment for anyone needing reliable network connectivity. In summary, the 10Gtek 10Gb Dual RJ45 Port Network Card with X540 Controller is an excellent investment for anyone needing high-speed and reliable network connectivity. It has significantly enhanced my home office setup, providing seamless and efficient access to my work's datacenter. If you're looking for a network card that offers great value for the money, exceptional performance, and broad compatibility, I highly recommend this product. Despite the minor inconvenience with the drivers, it has been a game-changer for my workflow and connectivity needs.

## Features

- SFP28 ports -DAC, Optics, and AOC's compatible with Intel E810-XXVDA2
- Support Windows 10 /11 /2016 /2019 /2022/Deepin 20 /20.6 /20.9/ VMware ESXi 6.7/7.0/8/9 Galactic kylin V10/ Kylin won the bid 7.6/ Open Kylin 0.7.5/ RHEL/CentOS 7.6 / 7.9 / 8.2 / 8.3/ Ubuntu 20/22/ SUSE 15.4/ Zte's 3.2.2 / Red Flag Asianux V7.0/ iKuai router
- Bracket Height: Low Profile and Full Height
- Data Rate Per Port: 25/10/1GbE; Speed & Slot Width: 16 GT/s x8 lanes
- Support: iWARP/RDMA; RoCEv2/RDMA; iSCSI, NFS; SR-IOV Capable; PXE; DPDK; Giant frame up to 9.5KB

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09CQ4J7Q1 |
| Best Sellers Rank | #7 in Internal Computer Networking Cards |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,094) |
| Date First Available | August 16, 2021 |
| Item Weight | 8.4 ounces |
| Manufacturer | 10Gtek |
| Package Dimensions | 9.76 x 7.01 x 2.05 inches |

## Product Details

- **Brand:** 10Gtek
- **Color:** E810-25G-2S(2x SFP28)
- **Compatible Devices:** Desktop
- **Data Link Protocol:** Ethernet
- **Data Transfer Rate:** 25 Gigabits Per Second
- **Hardware Interface:** Ethernet, PCI, PCI Express x8
- **Item Weight:** 0.24 Kilograms
- **Manufacturer:** 10Gtek

## Images

![25G Ethernet Network Card, 2X SFP28 Ports, PCIe 4.0 X8, Intel E810 Controller, Support Windows 10/11/2016/2019/2022 /Centos7/ Ubuntu20/Vmware/Esxi7.0(not Support MAC), Support RDMA/PXE - Image 1](https://m.media-amazon.com/images/I/61h1InqGc4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Rock-Solid 10GbE Performance with Enterprise-Grade Reliability
*by J***N on December 1, 2025*

The 10Gtek 10Gb PCI-E NIC with the Intel X540-BT1 controller is an outstanding network upgrade for anyone needing fast, stable, and reliable 10-gig connectivity. Installation was quick and seamless — plug it into a PCIe slot, install the drivers, and it’s instantly recognized. The Intel X540 chipset is known for its reliability, and this card absolutely lives up to that reputation. From a performance standpoint, it’s excellent. I consistently achieve full 10GbE speeds during large file transfers, virtualization workloads, and NAS-to-PC operations. Latency is extremely low, and there’s zero packet loss or connection instability. The onboard controller handles offloading efficiently, reducing CPU load and keeping system performance smooth even during heavy data transmission. Thermals are well-managed too — the heatsink keeps the card cool, and I haven’t experienced any throttling or heat-related issues. The RJ45 port is sturdy and compatible with Cat6a/Cat7 for maximum throughput. For home labs, servers, workstation builds, or high-speed content workflows, this NIC is a top-tier option at an excellent value. Enterprise-level hardware, flawless stability, and true 10Gb performance.

### ⭐⭐⭐⭐⭐ Seamless Connectivity and Efficiency
*by J***S on June 30, 2024*

As a solutions architect who has recently started working from home, I needed a reliable and high-speed network card to handle my upgraded home internet connection, which is now a fiber connection at 5Gbps+. I also required higher throughput to my work's datacenter. The 10Gtek 10Gb Dual RJ45 Port Network Card with X540 Controller has proven to be an excellent choice. First and foremost, this network card delivers outstanding performance. With dual RJ45 ports and the X540 controller, it supports 10Gbps speeds, ensuring that my connection remains fast and stable. This has been crucial for my workflow, as I often need to transfer large files and access remote servers without any lag. Upgrading my home internet to a fiber connection at 5Gbps+ meant I needed a network card that could handle such speeds efficiently. The 10Gtek network card has met these demands perfectly, providing the necessary throughput to my work's datacenter. This has significantly improved my productivity, allowing me to access and manage data quickly and efficiently. The installation process was straightforward, and the card works seamlessly with my Windows systems and Hyper-V servers. The packaging was fantastic, and the install was as simple as expected. However, the only negative experience I had was finding compatible drivers. Windows Update didn’t recognize the hardware, and the manufacturer’s website didn’t have any readily available drivers. I ended up going to the chip manufacturer’s website and found the appropriate driver, which I successfully installed. No driver disks or instructions were provided. The build quality of this network card is on par with what I expected, providing a solid and functional product. It feels robust enough for long-term use without being overly impressive. Additionally, the card's design ensures efficient heat dissipation, preventing overheating even during prolonged use. One feature I particularly appreciate is the network activity lights, which, while almost standard, provide clear indicators of network status and activity. The device is also void of any additional noise, making it ideal for a quiet home office environment. Additionally, the value for the money is exceptional. This network card offers high-end performance and features at a reasonable price point, making it a great investment for anyone needing reliable network connectivity. In summary, the 10Gtek 10Gb Dual RJ45 Port Network Card with X540 Controller is an excellent investment for anyone needing high-speed and reliable network connectivity. It has significantly enhanced my home office setup, providing seamless and efficient access to my work's datacenter. If you're looking for a network card that offers great value for the money, exceptional performance, and broad compatibility, I highly recommend this product. Despite the minor inconvenience with the drivers, it has been a game-changer for my workflow and connectivity needs.

### ⭐⭐⭐⭐⭐ Good card, with a slight catch in Windows 11
*by A***N on December 7, 2025*

Great card so far. Works with either fiber sfps, 10G copper sfps or with DAC cables. One caveat with Windows 11: I had to find and install the older Intel x510 drivers for it to be recognized and work. Linux (Pop OS 22.04 LTS) had the drivers and libraries available natively. As far as stability and connectivity is concerned, zero issues so far. A quick Google search found an old Redfit article with a link to the driver pack, so 10 minute fix.

## Frequently Bought Together

- 25G Ethernet Network Card, 2X SFP Ports, PCIe 4.0 X8, Intel E810 Controller, Support Windows 10/11/2016/2019/2022 /Centos7/ Ubuntu20/Vmware/Esxi7.0(not Support MAC)
- 10Gtek 25G SFP28 SFP+ SR Transceiver, 25GBase-SR Duplex LC MMF Optical Module for Cisco SFP-25G-SR-S, 850nm, DDM, up to 100m

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-02*