Asus Prime B550M-A WiFi II mATX AM4 Motherboard (PRIME B550M-A WIFI II) - OPENED BOX 91986

SPECIFICATIONS:CPUAMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors Refer to www.asus.com for CPU support list. Memory4 x DIMM, Max. 128GB, DDR4 4866(OC)/ 4800(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 MemoryDual Channel Memory Architecture * ECC memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types. Graphics1 x D-Sub port 1 x DVI-D port 1 x HDMI port** * Graphics specifications may vary between CPU types. ** Supports 4K@60Hz as specified in HDMI 2.1. Expansion SlotsAMD Ryzen 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode)AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors 1 x PCIe 3.0 x16 slot (supports x16 mode)AMD B550 Chipset 2 x PCIe 3.0 x1 slots StorageAMD Ryzen 5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen 4000 G-Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) AMD B550 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) 4 x SATA 6Gb/s ports Support RAID 0, 1, 10 Ethernet1 x Realtek 1Gb Ethernet ASUS LANGuard Wireless & BluetoothWi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth v5.2 USB2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) Front USB:Total 6 ports 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports AudioRealtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playbackAudio Features - Audio Shielding - LED-illuminated audio trace path design- Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. Back Panel I/O Ports2 x USB 3.2 Gen 2 ports (2 x Type-A) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 1 x Wi-Fi Module 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port Internal I/O ConnectorsFan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT 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 M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous 1 x Addressable Gen 2 header 2 x AURA RGB 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 (14-1pin) 1 x 10-1 pin System Panel header Special FeaturesASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage Protection - SafeSlot Core - Stainless-Steel Back I/O ASUS Q-Design - Q-DIMM - Q-Slot ASUS Thermal Solution - VRM heatsink design AURA Sync - AURA RGB headers - Addressable Gen 2 header Software FeaturesASUS 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 - Lighting Control ASUS CPU-Z AI Charger DAEMON Tools MyASUS Norton Anti-virus software (Free Trial version) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode BIOS256 Mb Flash ROM, UEFI AMI BIOS ManageabilityWOL by PME, PXE AccessoriesCables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 SSD screw package Installation Media 1 x Support DVD Documentation 1 x User manual Form Factor24.4cm x 24.4cm