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ASUS Prime B550M-A WiFi II Motherboard

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ASUS Prime B550M-A WiFi II Motherboard

AMD B550 | AMD AM4 | 2x M.2 Slots | 3x RGB Headers | mATX
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Description

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

ASUS Prime series is expertly engineered to unleash the full potential of 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.

  • FEATURES
    • 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

Technical Specifications:

  • CPU: AMD AM4 Socket for AMD Ryzen™ 5000 and 3000 Series/ 5000 and 4000 G-Series Desktop Processors
  • Chipset: AMD B550 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
    • ECC memory (ECC mode) support varies by CPU.
  • Graphics:
    • 1 x D-Sub
    • 1 x D-Sub port
    • 1 x DVI-D port
    • 1 x HDMI® port
      • Supports 4K@60Hz as specified in HDMI 2.1.
    • Graphics specifications may vary between CPU types.
  • 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
  • Ethernet:
    • 1 x Realtek 1Gb Ethernet
    • ASUS LANGuard
  • Wireless & Bluetooth:
    • Wi-Fi 6:
      • 2×2 Wi-Fi 6 (802.11 a/b/g/n/­ac/ax)
      • Supports 2.4/5GHz frequency band
    • Bluetooth v5.2
  • 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: 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
  • 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.
  • 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 × 4-pin CPU Fan header
      • 1 × 4-pin CPU OPT Fan header
      • 2 × 4-pin Chassis Fan headers
    • Power related:
      • 1 × 24-pin Main Power connector
      • 1 × 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 × 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 64-bit, Windows® 10 64-bit
  • Form Factor:
    • microATX
    • 24.4cm x 24.4cm
Release date NZ
January 28th, 2022
Manufacturer code:
PRIME B550M-A WIFI II
Brand
Manufacturer
Motherboard Form Factor(s)
Motherboard Main Power Connector
ATX 24-pin
Motherboard 12V Power Connector
ATX12V 8-pin
Motherboard Chipset
Supported CPU Socket
Supported Memory Module Type(s)
  • DIMM
Number of Memory Sockets
4
Supported Memory Type(s)
  • DDR4 SDRAM
Supported Memory Channels
  • Dual Channel
Minimum Memory Speed (MHz)
2133
Maximum Memory Speed (MHz)
4866
Maximum Memory Size (GB)
128
Number of VGA Ports
1
Number of DVI Ports
1
Number of HDMI Ports
1
Number of PCI Express x16 Slots
1
Number of PCI Express x1 Slots
2
Number of M.2 Sockets
2
Supported M.2 Module Codes
  • 22110
  • 2242
  • 2260
  • 2280
Number of SATA Headers
4
Number of USB 3.0 Headers
1
Number of USB 2.0 Headers
2
Number of USB 3.0 Type-A Back Panel Ports
4
Integrated Ethernet Networking
Yes
Supported Wireless Networking Standards
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
Box Dimensions (mm)
280x270x69
UPC
195553309745
Product ID
33506649

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