







The Corsair RM1200e is a premium power supply designed for high-performance gaming systems and workstations. It combines high efficiency with a fully modular design, supporting the latest ATX 3.1 and PCIe 5.1 standards to power next-generation GPUs. With 80+ Gold efficiency and a low-noise Zero RPM fan mode, it delivers stable and silent operation even under heavy loads.
Key Features
Fully Modular design for easy cable management and cleaner builds
ATX 3.1 and PCIe 5.1 compliant, ready for the latest RTX 50 Series GPUs
High efficiency with 80 Plus Gold certification and Cybenetics Platinum for noise and efficiency
140mm Rifle-Bearing fan with Zero RPM Mode for silent operation at low to medium loads
Premium Japanese capacitors rated at 105°C for long-term reliability
Compact 150mm length chassis for better compatibility and cable routing
Modern Standby support for fast wake-from-sleep and improved low-load efficiency
Backed by Corsair’s 10-Year Warranty
Technical Specifications
Power: 1200W
Form Factor: ATX 3.1
Efficiency: 80 Plus Gold / Cybenetics Platinum certified
Fan: 140mm Rifle-Bearing with Zero RPM Mode
Dimensions: 150 × 150 × 86 mm
AC Input: 100–240V, 47–63Hz, 15A–7.5A
+12V Rail: 100A (full 1200W output)
+3.3V Rail: up to 20A (max 150W combined)
+5V Rail: up to 20A
+5Vsb Rail: 3A (15W)
Protection: OVP, OCP, OTP, SCP, OPP
Included Cables: 24-pin ATX, 2× EPS (8-pin 4+4), multiple PCIe cables, SATA, PATA, and 12VHPWR (12+4) for next-gen GPUs