GT530 in a HP DC7900 SFF

[wilfredosasso]

can I use a GT530 Low profile video card in a HP DC7900 Small Form Factor without troubles?

 

[Nikolay Savov]

can I use a GT530 Low profile video card in a HP DC7900 Small Form Factor without troubles?

NO.
You can add only 35 W Low profile VGA card`s and GT-530 is 50W max GPU
DC7900 GPU support list :
ATI Radeon 3470 256MB SH PCIe x16 graphics card
ATI Radeon HD 2400XT 256MB DH PCIe x16 graphics card
ATI Radeon HD 3650 512MB DH PCIe x16 graphics card
ATI Radeon HD 4550 Dual Head PCIe x16 Graphics Card
NVIDIA Quadro NVS 290 256MB DH PCIe x16 graphics card
NVIDIA Quadro NVS 295 256MB Graphics Card 

You have 240 W PSU that is stock and no PCI 4 pin if you need