FSP's VITA GM ATX3.1(PCIe12V-2x6) 850W Power Supply is compliant with Intel ATX 3.1 specification and PCIe-5.1, the power supply can maintain the maximum total power offset. This series is equipped with a native PCIe-5.1 interface and also supports 2 PCIe 6+2Pin interfaces for graphics cards. In addition, it also supports two slots of CPU connectors for higher performance. Certified by the world-class organization 80 PLUS, Gold certified for lower power loss, less heat and quieter operation. At 140mm in length, it's relatively shorter than industry standards, making it ideal for compact PCs or space-constrained environments without compromising performance.