PCIe X1 to 2.5G Network Card RTL8125B Gigabit Ethernet Adapter for Desktop and Server, PCI-E x1 LAN Card 2500Mbps with Dual LED Indicators, Full & Low Profile Brackets (Single RJ45)

Upgraded RTL8125B Chipset: Features the new Realtek RTL8125B controller, which fixes the bugs of the previous 8125A version, offering stable performance, low latency, and reduced power consumption for long-term reliability.

Super-Fast 2.5Gbps Speed: Supports 10/100/1000/2500Mbps auto-negotiation, delivering up to 283MB/s real transfer rate for faster file sharing, NAS upgrades, and smooth HD media streaming.

Optimized Circuit Design & Cooling: Built with high-quality components and refined PCB layout to ensure superior signal integrity. Equipped with a large aluminum heatsink for effective heat dissipation and stable operation under heavy load.

Dual LED Status Indicators: Includes orange and green dual-color LED lights that clearly display link and activity status\u2014ideal for monitoring network connection in real time.

Wide Compatibility & Easy Installation: Works with PCIe x1/x4/x8/x16 slots. Compatible with Win 10/11, Linux, and various NAS or soft router systems. Includes both full-height and low-profile brackets for flexible installation in desktops or servers. ( Quad-RJ45 version support x4/x8/x16 slots)