In order to achieve that level of performance most of us strive for in our builds comes with purchasing the next best processor or motherboard, and the latest and greatest in the battle among video cards. We get extreme CPU and motherboard combinations, we line up as many graphics cards in our system as the board will allow, all in the name of scorching performance. Many times, however, we overlook what the life blood of the system is and select one based on price rather than needs. Without a good, reliable power supply, even the most awe inspiring rig could mean nothing. The Thermaltake Tough Power 850 XT packs the power to manage just about any system. The Thermaltake Tough Power 850 XT features modular cabling and extreme caliber power output. The rugged build case houses the high quality construction of this modular power supply with full certifications for SLI and CrossFireX for extreme gaming. The Thermaltake Tough Power 850 also features excellent cooling to maintain stability under high loads.