FENVI 10G PCIe Network Card, PCIe X4 to Single-Port 10GbE RJ45 Ethernet Adapter, Realtek RTL8127 Chip, Supports 10G/5G/2.5G/1G/100M, Low-Profile Bracket Included, Compatible with Windows/Linux/VMware/

1. True 10G Ethernet Performance

Transform your desktop or server into a high-speed networking powerhouse. This PCIe X4 10G network card delivers real-world 10G/5G/2.5G/1G/100M/10M auto-negotiation, eliminating network bottlenecks for data-intensive tasks like NAS backup, video editing, virtualization, and large-scale file transfers.

2. High-Performance Realtek RTL8127 Chipset

Built with the advanced Realtek RTL8127 controller, this card ensures stable, low-latency data transmission with excellent driver support across multiple operating systems. It provides reliable 10G connectivity for demanding workloads without breaking the bank.

3. PCIe Gen3 X4 Interface with Flexible Compatibility

Features a PCIe Gen3 X4 bus interface (compatible with X8 and X16 slots) with a bus speed of 8.0GT/s per lane. It also supports PCIe Gen4 x2 mode for even higher bandwidth. No external power required powered directly by the PCIe bus at 3.3V.

4. Extensive OS Compatibility

Ready for diverse environments. Supports Windows 10/11 (32/64-bit), Windows Server 2016/2019/2022, and Linux kernels 2.6 and above (with built-in r8169/r8125 drivers for auto-detection). Also compatible with VMware, VirtualBox, and Proxmox VE via PCIe passthrough and virtual networking. (macOS requires third-party drivers.)

5. Complete Package & Easy Installation

Comes with both standard full-height (120mm) and low-profile (80mm) brackets, making it suitable for tower PCs, rackmount servers, and compact chassis. The card draws power directly from the PCIe slot no additional cables needed. Backed by a standard 1-year warranty for reliable after-sales support.