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AX1200i Digital ATX Power Supply — 1200 Watt 80 PLUS® Platinum Certified Fully-Modular PSU (UK Plug)

Complete Digital Control.

The revolutionary AX1200i is the first desktop PC power supply to use digital (DSP) control and Corsair Link 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.

Real-time monitoring and control with Corsair Link

Put the AX1200i is under your control by connecting it directly to a USB header on your motherboard with the included cable, or to a Corsair Link Commander (available separately). Then, download the free Corsair Link Dashboard software for unrivaled power supply monitoring and control options.

Moni-tor power input and output, efficiency, fan speed, and internal temperature, directly from the Windows-based application. Or, take it to the next level and set up and modify fan speed profiles, or even select from virtual “single rail” or “multi-rail” software modes, with selectable OCP points.

Stable and reliable power delivery

DSP-controlled, real-time voltage regulation helps ensure that your valuable components receive clean, stable power.

Less heat and lower operating cost

AX1200i’s extreme efficiency earns it coveted 80 PLUS® Platinum certification. Less wasted power means minimal excess heat. This can reduce the strain on your other components, and it can save you money over the long run in the form of lower power bills.

Quiet operation at low loads

Super-high efficiency has another benefit: silence. The thermally-controlled fan doesn’t even spin at low loads. It’s ideal if you’re building a quiet PC or you just want to reduce the amount of ambient noise in your life.

Easy installation and cable routing, with better airflow

The fully modular cable set allows you to use only the cables you need, and the flat design makes cable routing much easier in tight spaces. You get a clean-looking system build with cables out of the airflow path for efficient space usage that’s energy-efficient as well.

Package contents

AX1200i power supply

Modular cable pack

Accessory bag with mounting hardware, cable ties, and badge

Installation Guide

Corsair Link Digital interface cable

Corsair Link USB Dongle


ATX12V v2.4 and EPS 2.92 standards


Digital Signal Pro-cessor (DSP) for delivering extremely clean, efficient power with real-time adjustments

Corsair Link™ Integration for monitoring and adjustment of performance, noise, and OCP settings

Dedicated single +12V rail with user-configurable virtual “single rail” and “multi-rail” software modes

An ultra-quiet, 140mm double ball-bearing fan delivers excellent airflow with exceptionally low noise levels by varying fan speed in response to temperature

80 PLUS Platinum-certified, delivering up to 92% energy efficiency under real-world load conditions

Active Power Factor Correction (PFC) with PF value of 0.99

Universal AC input from 90~264V

Over-voltage, under-voltage, over-current, and short circuit protection provide maximum safety for your critical system components

Engineered to meet maximum power output at a server-grade 50°C temperature rating.

Self-test switch to determine PSU functionality even before installation.

High-quality capacitors provide uncompromised performance and reliability

A ten year warranty and lifetime access to Corsair’s legendary technical support and customer service

Safety Approvals:  cTUVus, CE, CB, FCC Class B, TÜV, CCC, C-tick

                                                                                    Corsair AX1200i Digital ATX Power Supply

AC Input Rating DC Output Rating
AC Input: 100V – 240V DC Output +3.3V +5V +12V -12V +5Vsb
Current: 15A Max Load 30A 30A 100.4A 0.8A 3.5A
Frequency: 50Hz – 60Hz Maximum Combined Wattage 180W 180W 1204.8W 9.6W 17.5W
Total Power: 1204.8W
80 Plus Platinum
Fanless mode YES
Wattage 1200
Fan bearing technology Dual Ball Bearing
Fan size (mm) 140mm
C-Link Digital YES
Continuous output rated temperature (°C) 50°C
Modular Fully
MTBF 100,000 hours
Sleeved cables Low-Profile, All Black
ATX Connector 1
EPS Connector




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