ASUS Alaplap AM4 PRIME B550M-K ARGB AMD B550, mATX

Model PRIME B550M-K ARGB CPU AMD Socket AM4 for AMD Ryzen ™  5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* * Refer to   for CPU support list. Chipset AMD B550 Chipset Memory 2 x DIMM slots, Max. 64GB, DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory* Dual Channel Memory Architecture * ECC memory (ECC mode) support varies by CPU. * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit  . Graphics 1 x DisplayPort** 1 x HDMI ™  port*** * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. ** Supports max. 4K@60Hz as specified in DisplayPort *** Supports 4K@60Hz as specified in HDMI Expansion Slots AMD Ryzen ™  5000 Series/ 3000 Series Desktop Processors 1 x PCIe x16 slot (supports x16 mode) AMD Ryzen ™  5000 G-Series/ 4000 G-Series Desktop Processors 1 x PCIe x16 slot (supports x16 mode) AMD B550 Chipset 1 x PCIe x1 slot * Please check the PCIe bifurcation table on the support site ( ). - To ensure compatibility of the device installed, please refer to   for the list of supported peripherals. Storage Total supports 2 x slots and 4 x SATA 6Gb/s ports* AMD Ryzen ™  5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe x4 & SATA modes) AMD Ryzen ™  5000 G-Series/ 4000 G-Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe x4 & SATA modes) AMD B550 Chipset M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe x4 & SATA modes) 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. Ethernet 1 x Realtek 1Gb Ethernet USB Rear USB (Total 6 ports) 4 x USB Gen 1 (5G) ports (4 x Type-A) 2 x USB ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB Gen 1 (5G) connector (supports USB Type-C ® ) 1 x USB Gen 1 (5G) header supports 2 additional USB Gen 1 ports 2 x USB headers support 4 additional USB ports Audio Realtek Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support Surround Sound audio output. Back Panel I/O Ports 4 x USB Gen 1 (5G) ports (4 x Type-A) 2 x USB ports (2 x Type-A) 1 x DisplayPort 1 x HDMI ™  port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port Internal I/O Connectors Fan and Cooling related 1 x 4-pin CPU Fan header 2 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB Gen 1 (5G) connector (supports USB Type-C ®  ) 1 x USB Gen 1 (5G) header supports 2 additional USB Gen 1 ports 2 x USB headers support 4 additional USB ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header Special Features ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage Protection - SafeSlot Core - Stainless-Steel Back I/O ASUS Q-Design - Q-DIMM - Q-LED Core - Q-Slot ASUS Thermal Solution - Aluminum heatsink design Aura Sync - Addressable Gen 2 headers Software Features ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync AI Suite 3 - Performance And Power Saving Utility  TurboV EVO  EPU  DIGI+ VRM  Fan Xpert 2+ - EZ update ASUS CPU-Z Norton 360 Deluxe (60 Days Free Trial) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode BIOS 128 Mb Flash ROM, UEFI AMI BIOS Manageability WOL by PME, PXE Accessories Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x I/O Shield 1 x Screw package for SSD Documentation 1 x User guide Operating System Windows ®  11, Windows ®  10 64-bit Form Factor micro-ATX Form Factor inch x inch ( cm x cm )