Corsair RMx Series RM850x 850W 80 PLUS Gold Fully Modular ATX PSU – NEW. RMx Series (2021) RM850x. 1 x 135mm Magnetic Levitation Fan. 80 PLUS GOLD Certified. 100 – 240 V. 47 – 63 Hz. FCC, ICES, CE, UL / CUL, CSA, C-Tick/RCM, TUV, CB, CU, KC Mark, RoHS, WEEE, RoHS (China), REACH. 1 x 24 pin ATX3 x 8 pin (4+4) EPS (CPU)4 x 8 pin (6+2) PCIe14 x SATA4 x 4 pin Peripheral. 24Pin MB: One cable (610mm)4+4Pin CPU: Three cables (650mm)2 x PCI 6+2Pin: Two cables (600+150mm)4 x SATA: Two cables (505+115+115+115mm)3 x SATA: Two cables (520+115+115mm)4 x 4pin PERIPHERAL: One cable (450+100+100+100mm). Fully Modular: Only connect the cables your system needs, making clean and tidy builds easier. 135mm Magnetic Levitation Fan: Utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability. EPS12V Connector: For wide compatibility with modern graphics cards and motherboards. Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency. 80 PLUS Gold Certified: High efficiency operation for lower power consumption, less noise, and cooler temperatures. Zero RPM Fan Mode: At low and medium loads the cooling fan switches off entirely for near-silent operation. Resonant LLC Topology with DC-to-DC Conversion: Provides clean, consistent power, reduces coil whine for quieter operation, and enables use of more energy efficient sleep states. 3.39″ x 5.91″ x 6.30. RM850XSafety leafletAC cableDC cable setMounting screwsCable ties.