Upgrade your network connection speeds by installing the QNAP Quad-Port 2.5GbE PCIe Network Expansion Card into an available PCIe 2.0 x4 slot on your computer, NAS, or other compatible device. The QXG-2G4T-I225 includes four 2.5G Ethernet ports that are backward compatible with Gigabit, 100 Mb/s, and 10 Mb/s speeds and work with Cat 5-class cables. The adapter comes with a low-profile bracket pre-installed and includes a full-height bracket in addition to one that is specially designed for select QNAP NAS devices.

PCIe 2.0 x4 Host Interface    4 x 2.5GbE Ports    Backward Compatible    Low-Profile Bracket Pre-Installed    Includes Full Height Bracket

Related Questions and Answers

Q: 1. Can this be installed on the TVS-872XT? I see it listed under accessories for that unit. Was hoping to have 4 working Thunderbolt 3 ports (2 included + this 2).

A: The QNAP Dual-Port Thunderbolt 3 Expansion Card is not compatible with the TVS-872XT. This can only be installed in a PCIe Gen 3 x4 slot in the TVS-h1288X or TVS-h1688.

Q: 2. Is this backward compatible with pcie 3 x4 ?

A: This unit is backwards compatible with PCIe 3.0 and 2.0 however you will loose speed with older versions.

Q: 3. Can this operate on Windows 11?

A: In addition to select Qnap units this QNAP QXG-25G2SF-CX6 Dual-Port 25GbE PCIe 4.0 x8 Network Expansion Card can be used on Windows and Linux servers and workstations as well.

Q: 4. So I know this connects to a QNAP NAS, but can I use this card for the PC end?

A: The QNAP QXG-25G2SF-CX6 Dual-Port 25GbE PCIe 4.0 x8 Network Expansion Card can be used in systems other than just the NAS.

Q: 5. How noisy is this card?

A: QNAP has not provided a spec on noise level for the QNAP QXG-25G2SF-CX6 Dual-Port 25GbE PCIe 4.0 x8 Network Expansion Card.

Q: 6. Can this card connet to the HPz6 workstations?

A: This card is only compatible with specific QNAP NAS units.

Q: 7. Does this support Truenas?

A: This card was designed for QNAP, Windows, and Linux.

Q: 8. I see this device is for "select QNAP devices." Does that mean it will not work with a Blackmagic 3G Recorder? And if not, can someone recommends an expansion card that will?

A: If you are looking to add a Thunderbolt 3 controller card to a Windows computer, please consider the ASUS Thunderboltex 3 Expansion Card. This will work with a Blackmagic 3G Recorder. Please contact us via chat or by phone for additional assistance.

Q: 9. is it work with PCIe 4 And 5 ?

A: You can use the QNAP Dual-Port Thunderbolt 3 Expansion Card BH #QNQXPT32P with a PCIe 3.0 4x or higher slot.

Q: 10. Could I use this network card on my PC to connect to a Qnap TS-531x NAS to create a 10g connection?

A: Yes, the QNAP Single-Port (10GBase-T) 10GBe Network Expansion Card, Pcie Gen3 X4, Low-Profile Bracket Pre-Loaded B&H # QNQXG10G1T supports QTS 4.3.4.0486 or newer, Windows and Linux.