4 Things to Know About the Dell OptiPlex 7070 SFF and GPU Upgrades

Only low-profile, half-height GPUs fit The PCIe x16 slot is physically limited to low-profile, half-height cards. Standard-sized graphics cards will not fit in the case.

The 200W power supply caps your options The included 200W PSU cannot support high-power GPUs. Gaming cards that require additional power connectors are not viable.

Stick with workstation-class GPUs Low-power workstation cards like the NVIDIA T400 or AMD Radeon Pro WX 2100 are your best bet. These run on slot power alone and fit the power budget.

Gaming performance is off the table Even low-profile gaming cards often exceed the power or physical limits. This system is not designed for gaming GPU upgrades.