of course...sometimes even just breaking a seal on the PSU case will void the warrenty even u arent doin anything to it. only the original state will usually supported by their warrenty. so usually ANY mod will void warrenty. unless its like evga GPU that supports end user overclocking.
i5 2500K @ 4.8GHz 1.384v - AsRock P67 Extreme4 B3 BIOS 1.90
G.Skill Ripjaws X DDR3 PC12800 2x4GB @ 1866 9-10-9-28 1T 1.590v
EVGA GTX 570HD SC 930/1950 1.100v
Crucial M4 SSD 128GB - OCZ 700W PSU (4x18A) - Noctua NH-D14 (BM120mm x Noctua140mm)
Corsair 600T SE White - Windows 7 Ultimate 64Bit SP1 - Mitsubishi DiamondPro2070sb (CRT!)
| 3DMark Vantage P26383