. C850 can support multi-GPU configurations Dimensions L: 150mm W: 150mm H: 86mm Compliance Standard ATX12V v2.4 / EPS12V v2.92 PF Correction Active@0.99 AC Input Rating 100-240Vac, 10-5A, 50-60Hz Fan Specs Dimensions: W: 120mm H: 120mm D: 25mm Speed: 0-2,200 + 220 RPM Airflow: 73.9 CFM Noise: 32.3 dBA Bearing: FDB (Fluid Dynamic Bearing) Energy Efficiency 80 Plus Gold 20% loading: 87%, 50% loading: 90%, 100% loading: 87% @115Vac Regulations & Certifications (EMC & Safety) CB / CE / FCC / TUV / cTUV-SUDus / China CCC / Taiwan BSMI / Australia RCM / EAC MTBF 100,000 hours Output Connector(s) 1x 24-pin ATX power 2x 4+4-pin CPU power 6x PCIe (6+2 pin) 8x SATA 6x Peripherals Included Cables 1x 24-pin ATX power (length:610mm, Nylon sleeving) 2x 4+4-pin CPU power (length:650mm, Nylon sleeving) 3x PCIe (6+2 pin) (length:675 +75mm, Nylon sleeving) 2x SATA (length: 500 + 100 + 100 + 100mm) 2x Peripherals (length: 500 + 100 + 100mm)