QNAP Quad-Port 2.5GbE PCIe Network Expansion Card

The QNAP QXG-2G4T-I225 is a PCIe network expansion card that adds four 2.5Gb Ethernet ports to a desktop, server, or QNAP NAS. It offers a convenient way to move data up to 2.5 times faster than standard Gigabit links, so large file transfers, virtual machine migrations, and high-resolution media streams finish sooner without requiring a complete cabling upgrade.

The card installs in a PCIe 2.0 x4 slot and automatically steps down to 1Gb, 100Mb, or 10Mb when it connects to older switches. Administrators can combine ports through teaming for extra bandwidth or failover, segment traffic with VLANs, and enable jumbo frames or Time Sensitive Networking to improve performance for latency-sensitive tasks.

Compatibility with Windows, Linux, and QNAP’s QTS or QuTS hero operating systems makes deployment straightforward across mixed environments. Remote functions such as PXE boot, Wake-On-LAN, and Intel AMT simplify unattended setup and maintenance. The box includes both full-height and low-profile brackets, so the card fits neatly in compact workstations, tower servers, and rackmount chassis.

• Four 2.5Gb Ethernet ports
• PCIe 2.0 x4 connector
• Backward compatible with 1Gb, 100Mb, and 10Mb networks
• Supports PXE, Wake-On-LAN, jumbo frames, and Time Sensitive Networking
• Works with Windows, Linux, and QTS or QuTS hero operating systems
• Includes full-height and low-profile brackets
• Offers port teaming, VLAN, and Intel AMT support