The Corsair RM1200x SHIFT power supply is a high-performance, fully modular ATX PSU designed for modern PC builds demanding reliable and efficient power delivery. This unit delivers 1200 watts of continuous power, certified under the latest ATX12V Version 3.1 and 80 PLUS Gold standards for excellent energy efficiency and reduced heat output.

Featuring a patent-pending side-mounted modular cable interface, the RM1200x SHIFT puts all cable connections conveniently on the side to simplify installation and improve cable management. The PSU includes a comprehensive array of connectors: 16 SATA, 8 PATA (Molex), 8 PCIe (including PCIe 5.1 12V-2x6 compatible cables), and 2 EPS 8-pin connectors to power the latest GPUs and CPUs.

Cooling is handled by a quiet, 140 mm fluid dynamic bearing fan with Zero RPM mode, keeping noise to a minimum under low to moderate loads. For durability and long-term stability, it uses 100% industrial-grade 105°C Japanese electrolytic capacitors, and a 10-year warranty backs its trustworthiness.

This PSU supports modern standby, includes flat Type 5 Gen 1 micro-fit modular cables for reduced clutter, and has an MTBF of 100,000 hours, making it ideal for high-end, durable PC systems. Its dimensions (180mm x 150mm x 86mm) and weight (3.9 kg) fit standard ATX cases with rear PSU mounts that provide side access for cables.

Key benefits:

• Efficient 80 PLUS Gold certified power delivery


• Fully modular design with easy side cable access


• Supports newest GPUs with PCIe 5.1 compatible cables


• 10-year Corsair warranty ensuring long-term reliability


• Ultra-quiet operation with fluid dynamic bearing fan and Zero RPM mode