Asus PRIME B550M-A WI-FI II 90MB19X0-M0EAY0

PRIME B550M-A WIFI II
AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support

AMD AM4 Socket: Ready for Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility
Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support
Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware

CPU
AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors*Refer to www.asus.com for CPU support list.
Chipset
AMD B550 Chipset
Memory
4 x DIMM, Max. 128GB, DDR44866(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 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), and memory frequency support depends on the CPU types.
Graphics
1 x D-Sub port1 x DVI-D port1 x HDMI port*** Graphics specifications may vary between CPU types.** Supports 4K@60Hz as specified in HDMI 2.1.
Expansion Slots
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors1 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 Chipset2 x PCIe 3.0 x1 slots
Storage
AMD Ryzen™ 5000 Series/ 3000 Series Desktop ProcessorsM.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)AMD Ryzen™ 4000 G-Series Desktop ProcessorsM.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)AMD B550 ChipsetM.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)4 x SATA 6Gb/s portsSupport RAID 0, 1, 10
Ethernet
1 x Realtek 1Gb EthernetASUS LANGuard
Wireless & Bluetooth
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2Wi-Fi 62x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)Supports 2.4/5GHz frequency bandBluetooth v5.2
USB
Rear USB:Total 6 ports2 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 ports1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports2 x USB 2.0 headers support additional 4 USB 2.0 ports
Audio
Realtek 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 Ports
2 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 port1 x DVI-D port1 x HDMI port1 x Wi-Fi Module1 x Realtek 1Gb Ethernet port3 x Audio jacks1 x PS/2 Keyboard/Mouse combo port
Internal I/O Connectors
Fan and Cooling related1 x 4-pin CPU Fan header1 x 4-pin CPU OPT Fan header2 x 4-pin Chassis Fan headersPower related1 x 24-pin Main Power connector1 x 8-pin +12V Power connectorStorage related2 x M.2 slots (Key M)4 x SATA 6Gb/s portsUSB1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports2 x USB 2.0 headers support additional 4 USB 2.0 portsMiscellaneous1 x Addressable Gen 2 header2 x AURA RGB headers1 x Clear CMOS header1 x COM Port header1 x Front Panel Audio header (AAFP)1 x S/PDIF Out header1 x Speaker header1 x SPI TPM header (14-1pin)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/OASUS Q-Design- Q-DIMM- Q-SlotASUS Thermal Solution- VRM heatsink designAURA Sync- AURA RGB headers- Addressable Gen 2 header
Software Features
ASUS Exclusive SoftwareArmoury Crate- AURA Creator- AURA SyncAI Suite 3- Performance and Power Saving UtilityTurboV EVOEPUDIGI+ VRMFan Xpert 2+- EZ update- Lighting ControlASUS CPU-ZAI ChargerDAEMON ToolsMyASUS Norton Anti-virus software (Free Trial version)WinRARUEFI BIOSASUS EZ DIY- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS UEFI BIOS EZ Mode
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories
Cables2 x SATA 6Gb/s cablesMiscellaneous1 x ASUS Wi-Fi moving antennas1 x I/O Shield1 x M.2 SSD screw packageInstallation Media1 x Support DVDDocumentation1 x User manual
Operating System
Windows 11 64-bit, Windows 10 64-bit
Form Factor
microATX24.4cm x 24.4cm