GT1030 is the only card under 50W which is max. You can use the other cards but you need an X16 riser cable. Power Adapter Cable And power supply outside the case because it wont fit inside. Non Dell cards require secure boot OFF in bios. [URL] Thermaltake  AC-045-CN1OTN-C1 TT  x16 Riser Cable 300mm [URL] [URL]   [URL]   [IMAGE][IMAGE]
Hi Guys I was wondering if you could possible share some light with me with list of possible cards which will fit and work with my current system, I was thinking about 2 cards but open to other options if there are any: NVIDIA GEFORCE GTX 1650 4GT LP [URL]   Or Gigabyte GeForce GTX 1050 Ti OC Low Profile 4G [URL]   CPU :Intel Core i7-4790 3.6GHz Quad-Core (BX80646I74790 16GB RAM 500gb SSD Windows 10 64 bit PSU from Dells XE2 315 W GT1050i is wider and will use smaller PCIe slot and I am not sure if that will provide enough power?
Dell Optiplex 7020 SFF GRU upgrade from GT1030 to better