No, it can't fit because the PSU is the regular ATX format and your PC is the slim format. You need buy the TFX, which is one of the small form factor power supply. http://www.frys.com/search?cat=-69584&pType=pDisplay&fq=100750 TFX
Here is info:
HP http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c02627981#N1012
ATX or FTX format http://en.wikipedia.org/wiki/ATX#TFX
No, it can't fit because the PSU is the regular ATX format and your PC is the slim format. You need buy the TFX, which is one of the small form factor power supply. http://www.frys.com/search?cat=-69584&pType=pDisplay&fq=100750 TFX
Here is info:
HP http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c02627981#N1012
ATX or FTX format http://en.wikipedia.org/wiki/ATX#TFX