is this gpu and psu compatible with this Desktop and each other?

[ZeroToleranceZT]

Im new to pc gaming and I really want know if these would work with my computer and if not which ones. Thank You for you time

here is the desktop link:
http://

here is the GPU link:
http://www.amazon.com/gp/product/B0074CCDN4/ref=ox_sc_act_title_2?ie=UTF8&psc=1&smid=A3E6ZJMPO9SQWO

here is the PSU link:
http://www.amazon.com/Logisys-Corp-Bearing-Supply-PS550E12BK/dp/B004MU8VCS/ref=sr_1_1?s=electronics&ie=UTF8&qid=1401933841&sr=1-1&keywords=550+psu

UPDATE new PSU i found:
http://www.amazon.com/Corsair-Certified-Compatible-Platforms-CMPSU-600CXV2/dp/B004W2T2UQ/ref=sr_1_3?ie=UTF8&qid=1402143336&sr=8-3&keywords=corsair++550

 

[Scampi]

I wouldn't use that PSU, it looks very cheap & only provides 25amps/300W on the 12v rail. A decent 550W PSU would have over 40amps, and even a reasonable 500W PSU like Corsairs CX 500W has 38amps.


NZXT source 210: VGA Clearance Maximum 230mm w/ hard drive, 330mm w/o hard drive

To fit that 10.8" long XFX 7950, you'd have to ensure a HDD doesn't block it.