CPU AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors * Chipset AMD B450 Memory 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors 4 x DIMM, Max. 128GB, DDR4 4400(O.C)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3533(O.C)/3466(O.C.)/3400(O.C.)/3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory * Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. *the Memory QVL (Qualified Vendors Lists). * The maximum memory frequency supported varies by processor. Graphic Integrated Graphics in the 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors 1 x DisplayPort 1.2 1 x HDMI 2.0b *Graphics specifications may vary between CPU types. Multi-GPU Support Supports AMD 2-Way CrossFireX Technology Expansion Slots 3rd/2nd/1st Gen AMD Ryzen™ Processors 1 x PCIe 3.0/2.0 x16 (x16 mode) 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0/2.0 x16 (x8 mode) Athlon™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0/2.0 x16 (max at x4 mode) AMD B450 chipset 1 x PCIe 2.0 x16 (x4 mode) 1 x PCIe 2.0 x1 Storage Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics : 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support*1 Athlon™ with Radeon™ Vega Graphics Processors : 1 x M.2_1 socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)*1 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors : 2 x SATA 6Gb/s port(s), Support Raid 0, 1, 10 AMD B450 chipset : 1 x M.2_2 socket 3, with M Key, type 2242/22