How can I tell if this PSU will fit in my prebuilt's case?

somebody480

Honorable
Jan 23, 2015
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10,510
I am considering upgrading both my GPU and PSU on my prebuilt ASUS CM6850 computer. The PSU I am considering buying is a Rosewill HIVE 850W, but I can't seem to find out information on whether it will fit in my case.
 

Smudgy

Reputable
Dec 14, 2014
313
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4,860
as long as the rosewill is a standard atx psu you have no worries. though i dont think an 850 is necessary if your just running a single gpu a good 600w or 650 is more than plenty
 

somebody480

Honorable
Jan 23, 2015
9
0
10,510


I'm just going off of newegg's power supply estimation. Upgrading my graphics card from a GeForce GT 520 to a R9 270 apparently quadruples the power usage from ~260 to ~860

Plus I'm getting a good price of the PSU anyways =)