The XFX PRO Series 850W Modular power supply is an energy efficient 80 Plus Gold certified PSU that combines superior energy efficiency, great performance, innovative design, and the high quality required by hardcore gamers and DIY enthusiasts as it is designed specifically for multi-GPU systems. Advanced EasyRail technology allows you to run power-hungry components, such as a CPU and GPU, without worrying about individual rail limits. Enjoy first-class reliability and stability with 105C Japanese capacitors. Backed by a 5 year XFX warranty.

Features:

• EasyRail Plus Technology allowing plenty of Wattage headroom to handle your devices
• SolidLink Technology allowing stacking of multiple components without fear of crashing
• Hybrid Fan Control allowing the power supply to operate silently until it reaches 20 percent load or 25 degrees
• Ultra Quiet Fan Design
• Ultra Voltage Regulation Design
• Haswell Ready
• AMD Radeon CrossFire Ready
• NVIDIA GeForce SLI Ready
• Multiple PCI-E 6-Pin and 6+2Pin connectors
• True Wattage Guarantee
• 80 Plus Gold certified 90% power efficiency
• Extreme heat tested capacitors

LegitReviews
"The overall performance is undeniably excellent, with the PSU easily conforming to the 80Plus Gold certification standards, running silent and maintaining low temperatures, as well as displaying admirable electrical performance." Full review