Compatible sizes: SFX size is not only suitable for mini ITX chassis, but can also be expanded to ATX size when using the SFX-to-ATX bracket PCIe Gen 5.1 Supported: Supports the latest PCIE 5.1 for improved performance and efficiency. Also backward compatible with PCIE 4.0 and 3.0 ATX 3.1 Ready: The latest and most advanced power supply on the market, perfect for any PC builder or gamer 80 Plus Gold Certification: Compliance with the highest standards of quality and efficiency to ensure reliable performance and energy savings Full Modular Design: Cables can be easily managed by installing only the cables you need, reducing clutter Compatible sizes: SFX size is not only suitable for mini ITX chassis, but can also be expanded to ATX size when using the SFX-to-ATX bracket PCIe Gen 5.1 Supported: Supports the latest PCIE 5.1 for improved performance and efficiency. Also backward compatible with PCIE 4.0 and 3.0 ATX 3.1 Ready: The latest and most advanced power supply on the market, perfect for any PC builder or gamer 80 Plus Gold Certification: Compliance with the highest standards of quality and efficiency to ensure reliable performance and energy savings Full Modular Design: Cables can be easily managed by installing only the cables you need, reducing clutter