ASUS PRIME B550M A WIFI II
Powered by 3rd Gen AMD Ryzen processors, the ASUS Prime B550M-A WiFi II delivers next-generation speeds with PCIe 4.0, WiFi 6 and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550M-A WiFi 6 provides mainstream PC users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features.
Form Factor
- microATX, 24.4cm x 24.4cm
CPU
- AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset
Memory
- 4 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 Memory,
Dual Channel Memory Architecture
Graphics
- 1 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 Slots
- AMD 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
Storage
- Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports,
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors,
M.2_1 slot (Key M), type 2242/2260/2280/22110 (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
LAN
- 1 x Realtek 1Gb Ethernet, ASUS LANGuard
Wireless & Bluetooth
- 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2,
Wi-Fi 6,
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax),
Supports 2.4/5GHz frequency band,
Bluetooth v5.2
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 playback,
Audio 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
USB 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),
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
OS Support
Internal I/O Ports
-
Fan 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
Back 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 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
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
- 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
Special Features
-
ASUS 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
Accessories
-
Cables;
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