CPU : AMD AM4 Socket for AMD Ryzen? 5000 Series/ 4000 G-Series/ 3000 Series Chipset : AMD B550 Mémoire : 4 x DIMM, Max. 128GB, DDR4 4600 MHz Support multi-GPU : Supports AMD 2-Way CrossFireX Technology Slots d´extension : 1x PCIe 4.0 x16 (x16 mode) - 1x PCIe 3.0 x16 (x16 mode) - 1x PCIe 3.0 x16 (x4 mode) - 3x PCIe 3.0 x1 Stockage : 1 x M.2 Socket 3 - 6 x SATA 6Gb/s port(s) LAN : Realtek RTL8125B 2.5Gb Ethernet WI-FI : M.2 slot only (Key E) (Support PCIe interface) Ports USB : 2x USB 3.2 Gen 2 - 4 x USB 3.2 Gen 1 - 2 x USB 2.0 Facteur d´encombrement : ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )