
Asus Prime B550M-A WIFI II mATX DDR4 Motherboard
ASUS PRIME B550M-A WIFI II Micro-ATX DDR4 MotherboardAMD 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+ utilityUltrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A supportAura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardwarePrime ASUS Prime series is expertly engineered to unleash the full potential of the 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. Tune It Your Way Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work maximizing your productivity. Cool to the Core Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads. CPU AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop ProcessorsRefer to www.asus.com for CPU support list.Chipset B550Memory4 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 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 port1 x DVI-D port1 x HDMI port Graphics specifications may vary between CPU types. Supports 4K at 60Hz as specified in HDMI 2.1.Expansion SlotsAMD 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 slotsStorageSupports 2 x M.2 slots and 4 x SATA 6Gb/s portsAMD Ryzen 5000 Series/ 3000 Series Desktop ProcessorsM.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 and SATA modes) AMD Ryzen 4000 G-Series Desktop ProcessorsM.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 and SATA modes) AMD B550 ChipsetM.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 and SATA modes) 4 x SATA 6Gb/s portsSupport RAID 0, 1, 10Ethernet1 x Realtek 1Gb EthernetASUS LANGuardWireless and Bluetooth2x2 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 v5.2USB2 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 portsAudioRealtek 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 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 portInternal I/O ConnectorsFan 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 headerSpecial FeaturesASUS 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 headerSoftware FeaturesASUS 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 ModeBIOS256 Mb Flash ROM, UEFI AMI BIOSManageability WOL by PME, PXEAccessoriesCables2 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 manualForm FactormicroATX 24.4cm x 24.4cmItem Dimension (L"xW"xH")11 x 11 x 3 Weight3 lbs Warranty Information 3 Years