Corsair HX1500i Platinum ATX 1500W Power Supply CP9020215NA. HXi Series PSUs combine a 140mm fluid dynamic bearing fan with Zero RPM mode support for long-lasting fan performance and near-silent operation when the fan switches off at low and medium loads – only spinning as fast as it needs to. UNWAVERING POWER AND QUALITY. POWER AT THE READY. As a fully digital power supply, each HXi Series PSU provides clean, consistent power while minimizing coil whine and noise for stable and quiet operation. Supporting Modern Standby sleep mode, the HXi Series takes low-load efficiency to the next level with quiet operation and extremely fast wake-from-sleep times. With CORSAIR iCUE Software, you can monitor your power supply performance, toggle single rail or multi rail mode, and control fan speed directly from your desktop. Our award-winning service means you can enjoy your gear worry-free. CORSAIR iCUE software brings your entire setup together, creating a fully immersive ecosystem with intuitive control. Number of +12V Rails. HX1500i Fully Modular Ultra-Low Noise Platinum ATX 1500 Watt PC Power Supply.