3 Things to Know About Expanding the QNAP TS-874
No PCIe slot for internal expansion The [QNAP TS](https://www.amazon.com/s?k=QNAP+TS&tag=wehavethat-20)-874 lacks a PCIe slot, so you cannot add cards like a 10GbE adapter or GPU.
Expansion is limited to USB 3.2 enclosures You can connect QNAP USB-based expansion enclosures, such as the TR-004, through the USB 3.2 Gen 1 ports.
It is a USB-only expansion path All expansion is handled exclusively over USB, which means slower performance compared to PCIe-based options.