3 Things to Know About the OptiPlex 7090 SFF’s Expansion Slots

The PCIe x16 slot is wired as x4 The physical slot is full-length, but it only runs at PCIe 4 lanes. This limits GPU performance, so stick with low-power cards.

There is one PCIe x4 slot This slot is standard and works for add-in cards like USB or storage controllers.

The M.2 slot is for Wi-Fi only It uses a 2230 key E form factor, so it cannot fit a standard NVMe SSD.