Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards. PCIe Gen 5.0 Ready! Designed with a native PCIe 12+4pin modular connector, the Toughpower GF3 series is built for the next-gen PCIe 5.0 graphics cards and is compatible with Intel ATX 3.0 specifications. The fully modular Toughpower GF3 series comes in 1650W, 1350W, 1200W, 1000W, 850W and 750W and is built to deliver 80 PLUS Gold efficiency. Aimed at providing the best performance, the Toughpower GF3 850W includes all the critical features such as < 30mV low ripple noise design, extremely strict voltage regulation < ±2%, hold up time> 17 milliseconds, and comes with 100% high quality Japanese capacitors and other premium components to help deliver continuous and stable power. GF3 850W also features with Designed with our Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise, and a 135mm fluid bearing fan to guarantee superior cooling performance.