Corsair is a name many look to when needing nearly any computer part, and especially when that part is a power supply. Today Corsair has added four new models in the 760W to 860W range to its AX line of 80 PLUS Platinum power supplies: AX860i and AX760i digital PSUs, and AX860 and AX760 analog PSUs. The AX860i and AX760i feature the DSP-based innovations of the AX1200i, just in a smaller wattage for those who don't need 1200 watts. The digitally-controlled power circuitry ensures stable voltages and low ripple and noise, which grants an efficiency of 92%. Plus the Corsair Link connector allows for precise monitoring of power draw, efficiency, temperature, and fan speed. Both models have a 140mm fan that operates in a "zero-RPM" mode until a 30% load of the maximum power is reached.
The analog AX860 and AX760 don't have the digital features of the other models, but are still 80 PLUS Platinum certified. The efficiency comes in at 90% instead of 92% on the digital models, but that is still mighty impressive. The AX860's fan won't spin until a 60% load is reached, while the AX760's fan won't kick on until a 70% load. You can't get much more quiet than that for simple tasks at the PC.
All four models come with a seven-year warranty and are set to arrive later this month. The AX860i is priced at $249.99, the AX760i at $229.99, the AX860 at $219.99, and the AX760 at $199.99. Individually sleeved cable kits in red, white, blue, and black can be purchased at the Corsair website.