Corsair AX1600i Digital ATX Power Supply 1600W Fully Modular PSU – CP-9020087-NA. 1600W of continuous power with 80 PLUS Titanium efficiency (over 94%). 100% 105°C Japanese capacitors and digital design for top performance. Totem-pole PFC with GaN transistors for superior efficiency in a compact size. World-class electrical performance with ultra-stable voltages and low ripple noise. CORSAIR LINK software for monitoring, control, and on-the-fly single/multi OCP switching.