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Corsair HX850W PSU


by Grace - 18th June 2009
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Introduction


Corsair's HX series of power supplies are considered to be some of the best an enthusiast can purchase. We reviewed the HX620W and the HX1000W months ago and found them to be excellent products, among the best in their respective categories even today. But with an end user limited by the choice between a 620W and a 1kW unit there has been a huge gap between these two products. In order to fill that gap Corsair recently released two more HX series units, the HX750W and the HX850W. Today we will review the larger and more promising of the two newly released models - the HX850W, a product loaded with features and boasting some very strict specifications.

Manufacturer's Features & Specifications
  • Guaranteed to sustain its full rated wattage at an ambient temperature of 50°C
  • Up to 90% energy-efficiency under real-world load conditions
  • Single +12V rail design providing up to 70A
  • Multi-GPU ready
  • 105°C solid state capacitors
  • Active Power Factor Correction (PFC) with PF value of 0.99
  • Supports ATX12V 2.3 and EPS12V 2.91 standards. Backwards compatible with ATX12V 2.01
  • Auto switching circuitry for universal AC input from 90-264V
  • Over Current/Voltage/Power Protection, Under Voltage Protection and Short Circuit Protection provide complete component safety
  • Dimensions: 150mm(W) x 86mm(H) x 180mm(L)
  • MTBF: 100,000 hours
  • Safety Approvals: UL, CUL, CE, CB, FCC Class B, TÜV, CCC, C-tick
AC INPUT
1000-240V ~ 12A 50/60Hz
DC OUTPUT
+5V
+3.3V
+12V
-12V
+5Vsb
MAX LOAD
25A
25A
70A
0.8A
3A
MAX COMBINED WATTAGE
170W
840W
9.6W
15W
TOTAL POWER: 850W
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