MSI Big Bang XPower review

MSI's motherboard has astronomical power

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Cinebench R11.5
Ranking 2.94

Pass 1 (avr) 75.003fps
Pass 2 (avr) 26.897fps

Pass 1 (avr) 68.860fps
Pass 2 (avr) 26.225fps

Games Performance
(HD5670 / GTX460)
Far Cry 2 
(1280 x 1024 small farm benchmark avr fps)

HD5670 41.29
HD5670 CrossFire 75.75
GTX460 54.31
GTX460 SLI 144.94

Just Cause 2 (1280 x 1024 Dark Tower map)
HD5670 43.69
HD5670 CrossFire 64.90
GTX460 74.31
GTX460 SLI 98.31

USB 3.0 HD Tach
Average Read 65.7MBps
Random Access 16.1ms

SATA 6Gps HD Tach
Average Read 111.4MBps
Random Access 16.7ms

Power (system power measured at wall, peak running Everest burn-in test)
Idle 102 Watts
Peak 220 Watts

Although MSI's Big Bang XPower comes with six PCI-E slots, only the first and fourth slots run at full x16 speeds if you use two cards in a CrossFire or SLI setup.

If you really want to impress your friends, you can fill all six but then the speeds drop to x8 / x4 / x4 / x8 / x4 / x4. To help power all this cards there is a six-pin power connector sitting just above the first PCI-E slot