ELFJMZP 2.5Gbps PCIe Network Card, RTL8125B Chipset, 2500Mbps Ethernet Adapter with Aluminum Heatsink & Gold-Plated Ports, Compatible with Synology/QNAP NAS, PCIe x1 (No SR-IOV)

2.5G high-speed transmission, double the performance Adopts Realtek RTL8125B chip, supporting 2500Mbps high-speed transmission, which is 2.5 times faster than Gigabit LAN card. Perfect for 4K/8K video editing, NAS large file transfer, gaming and other high-bandwidth scenarios. Compatible with Cat5e/Cat6/Cat6a cables to ensure high speed and stable connection.

Professional thermal design for long-lasting stability One-piece aluminium alloy heat sink effectively reduces chip temperature and prevents overheating and downclocking. Fanless 0-noise design, suitable for silent office or home audio/video environments. Industrial-grade gold-plated PCB process, anti-oxidation, corrosion-resistant, prolong service life

Plug and play, multi-system compatible Windows 10/11 automatically recognised and installed without additional configuration Supports Linux kernel 5.4+ (manual driver compilation is required, detailed guide is provided). MacOS users can download the driver from Realtek website. Compatible with Synology/QNAP/TrueNAS and other major NAS devices (see compatibility list).

High-end gold-plated interface, stable and anti-interference Gold-plated RJ45 port reduces signal loss and improves transmission stability. Thickened PCIe gold fingers for more durable insertion and removal, suitable for frequently upgraded workstations/servers. CE/FCC/RoHS certified, safe and reliable.

Wide range of applications, flexible installation Suitable for desktop/workstation/NAS server Upgrade 2.5G network PCIe x1 interface (compatible with x4/x8/x16 slots), no external power supply required Low power consumption design (≤4W), energy saving and environmental protection, 24/7 operation without pressure