Corsair HX1200i 1200W 80+ Platinum Fully Modular ATX PSU

CORSAIR Ultra‑Low Noise HX1200i 80+ Platinum Modular ATX PSU – 1200W

The CORSAIR HX1200i is a flagship‑grade 1200W fully modular power supply featuring 80+ Platinum efficiency, ATX 3.1 compliance, and PCIe 5.1 (12V‑2×6) GPU support. Built with premium 105°C Japanese capacitors, a 140mm low‑noise FDB fan, and Zero RPM mode, it delivers ultra‑stable, silent, and reliable power for high‑end gaming PCs, workstations, and next‑generation GPUs.

Specifications

Form Factor: ATX
Series: CORSAIR HXi Series
Wattage: 1200 W
Modular: Fully Modular
Compatibility: ATX 3.1 · EPS 12V · PCIe 5.1 (native 12V‑2×6 connector)

Connectors
1 × ATX Motherboard (24‑pin)
2 × 4+4‑pin ATX/EPS (CPU)
4 × PCI‑e 6+2‑pin (GPU)
1 × 12+4‑pin PCI‑e (12V‑2×6 / 12VHPWR)
8 × SATA 2 × Peripheral (Molex)
USB‑C Link Port (for iCUE monitoring)

Rail Design: Single +12V Rail +12V Output: 100A (typical HX1200i rating)
AC Input: 100–240 VAC (Auto‑range)
Fan Type:140mm Low‑Noise Fan
Fan Bearing: Fluid Dynamic Bearing (FDB)
Zero RPM Mode: Yes
Noise:
Silent at low/medium loads (Zero RPM)
Quiet operation under gaming workloads

Certification:

80+ Platinum
High efficiency for reduced heat and lower power draw

Efficiency (Typical)

20% load: ~92%
50% load: ~94%
100% load: ~91%

Protection

Over Temperature Protection (OTP)
Over Current Protection (OCP)
Over Power Protection (OPP)
Short Circuit Protection (SCP) Over Voltage Protection (OVP) Under Voltage Protection (UVP)

Package Contents

HX1200i Power Supply DC Cable Kit UK Power Cord Mounting Screws Cable Ties User Documentation

Dimensions (L×W×H): 200 × 150 × 86 mm
Gross Weight: 2.40 kg