ASUS PRIME B550M-A WIFI II Motherboard

Socket: 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 to maintain optimal temperature.

Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, and USB 3.2 Gen 2 Type-A support for rapid data transfer and connectivity.

Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware.

Specifications

Model: PRIME B550M-A WIFI II

CPU: AMD Ryzen™ 5000 Series/5000 G-Series/4000 G-Series/3000 Series Desktop Processors (Refer to ASUS support for CPU support list)

Memory:

• 4 x DIMM slots
• Maximum Capacity: 128GB
• Dual Channel Memory Architecture
  
• ECC memory (ECC mode) support varies by CPU (Refer to ASUS support for the Memory QVL and memory frequency support)

Graphics:

• 1 x D-Sub port
• 1 x DVI-D port
• 1 x HDMI® port (Supports 4K@60Hz as specified in HDMI 2.1)

Expansion Slots:

• 1 x PCIe 4.0 x16 slot (supports x16 mode for AMD Ryzen™ 5000 Series/3000 Series Desktop Processors)
• 1 x PCIe 3.0 x16 slot (supports x16 mode for AMD Ryzen™ 5000 G-Series/4000 G-Series Desktop Processors)
• 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
• RAID Support: RAID 0, RAID 1, RAID 10

Ethernet: 1 x Realtek 1Gb Ethernet, ASUS LANGuard

Wireless & Bluetooth:

• Wi-Fi 6 (802.11 a/b/g/n/ac/ax), 2x2, Supports 2.4/5GHz frequency band
• Bluetooth v5.2

USB:

• Rear USB: 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: 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

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

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 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 Connectors:

• 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

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

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

BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Manageability: WOL by PME, PXE

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

Operating System: Windows 11, Windows 10 64-bit