The Corsair RM850 White (CP-9020232-AU) is a high-performance, fully modular 850-watt power supply unit (PSU) designed for modern, power-hungry PC builds. Certified with 80 PLUS Gold efficiency, it delivers over 90% peak efficiency, reducing heat and noise while maximizing power reliability. Engineered for ultra-low noise operation, the RM850 features a 140mm rifle bearing fan with a precisely tuned curve and supports Zero RPM Fan Mode, ensuring silent performance during low to medium loads.

It includes multiple EPS12V connectors and is fully modular, allowing users to connect only the cables needed—improving airflow and build flexibility. The PSU supports modern GPUs via compatibility with CORSAIR’s 12-pin GPU power cable. Internally, it features a resonant LLC topology with DC-DC conversion and 105°C industrial-grade capacitors, providing consistent power delivery and supporting Microsoft Modern Standby for fast wake-from-sleep performance.

The RM850 is also Cybenetics Gold-rated for efficiency (87%–91%) and A- rated for acoustic performance (25–30 dBA). It comes backed by a ten-year warranty, offering peace of mind for long-term use across multiple system builds.

In terms of output, it delivers a maximum of 70.8A on the +12V rail, equating to the full 850W capacity. Included cables are:

• 1 × 24-pin ATX sleeved cable (610mm)

• 3 × EPS 8-pin (4+4) flat cables (650mm)

• 2 × PCIe 8-pin (6+2) flat cables with dual connectors (750mm)

• 2 × SATA (3-connector) right-angle flat cables (750mm)

• 2 × SATA (4-connector) right-angle flat cables (850mm)

• 1 × PATA cable with 3 Molex + 1 FDD connector (750mm)

This PSU is ideal for high-end systems requiring silent operation, clean cable management, and reliable, efficient power delivery.

Condition Grades:

 (Pristine): Like new — no visible signs of use
 (Excellent): Minor cosmetic imperfections, in great condition
 (Good): Noticeable signs of wear, fully functional
 (Acceptable): Visible wear, but still works well

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