Your #1 Source For New & Used AV Equipment. Corsair AX1200i Power Supply (1541-253). Removed From Working Corporate Environment. May contain Cosmetic Wear as Shown in Images. The revolutionary AX1200i is the first desktop PC power supply to use digital (DSP) control and CORSAIR iCUE to bring you an unprecedented level of monitoring and performance customization. The DSP in the AX1200i makes on-the-fly adjustments for incredibly tight voltage regulation, 80 PLUS® PLATINUM Efficiency, and clean, stable power. To see our Feedback. Musical Instruments & Gear.