Asus PRIME B550M-K

CPU Build in AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors Refer to www.asus.com for CPU support list Chipset AMD B550 Memory 3rd Gen AMD Ryzen™ Processors 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory Next Generation AMD Ryzen PRO Processors 4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). Graphic 1 x D-Sub 1 x DVI-D 1 x HDMI 2.1(4K@60HZ) Expansion Slots 3rd Gen AMD Ryzen™ Processors 1 x PCIe 4.0 x16 (x16 mode) AMD B550 Chipset 2 x PCIe 3.0 x1 Storage Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports 3rd Gen AMD Ryzen™ Processors : 1 x M.2 Socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 4.0 x4 and SATA modes) storage devices support AMD B550 Chipset : 1 x M.2 Socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support 4 x SATA 6Gb/s port Support Raid 0, 1, 10 LAN Realtek RTL8111H 1Gb Ethernet Audio Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback Audio Feature : LED-illuminated design Audio Shielding Dedicated audio PCB layers Premium Japanese audio capacitors USB Ports Rear USB Port ( Total 6 ) 2 x USB 3.2 Gen 2 port (2 x Type-A) 4 x USB 3.2 Gen 1 port (4 x Type-A) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port (2 x Type-A) 4 x USB 2.0 port (4 x Type-A) ASUS Exclusive Software Armoury Crate AI Suite 3 Performance And Power Saving Utility TurboV EVO EPU Digi+ VRM Fan Xpert 2+ EZ update ASUS CPU-Z AI Charger DAEMON Tools Norton Anti-virus software (Free Trial for 60 days) WinRAR UEFI BIOS ASUS EZ DIY ASUS CrashFree BIOS 3 ASUS EZ Flash 3 ASUS UEFI BIOS EZ Mode ASUS Special Features ASUS 5X PROTECTION III ASUS DIGI+ VRM ASUS LANGuard ASUS Overvoltage Protection ASUS SafeSlot Core ASUS Stainless-Steel Back I/O ASUS Q-Design ASUS Q-DIMM ASUS Q-Slot ASUS Thermal Solution Aluminum heatsink design ASUS Lighting Control Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s) 1 x DVI-D 1 x D-Sub 1 x HDMI 1 x LAN (RJ45) port 2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A) 4 x USB 3.2 Gen 1 (blue) Type-A 3 x Audio jack Internal I/O Ports 1 x CPU Fan connector 2 x Chassis Fan connector 1 x USB 3.2 Gen 1(up to 5Gbps) connector support additional 2 USB 3.2 Gen 1 port 2 x USB 2.0 connector(s) support additional 4 USB 2.0 port 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support(SATA& PCIe 4.0 x4 mode) 1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA& PCIE 3.0 x 4 mode) 1 x SPI TPM header 4 x SATA 6Gb/s connector 1 x S/PDIF out header 1 x 24-pin EATX Power connector 1 x 8-pin EATX 12V Power connectors 1 x Front panel audio connector (AAFP) 1 x Clear CMOS jumper 1 x System panel connector 1 x COM port header 1 x Speaker connector Operating System Windows® 10 64-bit Form Factor mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm ).