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Asus Prime B550M-A WIFI II Motherboard, Socket AM4, AMD B550, M-ATX

 

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Asus
Part no PRIME B550M-A WIFI II
Ascent part no 614288
NZ support 0-800-278-778
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Find compatible RAM using a memory configurator from one of the following vendors: Corsair, Crucial, G.Skill, Kingston, Transcend, OWC (for MAC)
Micro-ATX AMD B550 motherboard for AMD Ryzen AM4 processors, with dual M.2 slots, PCIe 4.0 support, Wi‑Fi 6, Bluetooth v5.2, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support.

Technical Specifications

Product NameASUS PRIME B550M-A WIFI II
ManufacturerASUS
Model NumberPRIME B550M-A WIFI II
Product LinePRIME
Product CategoryMotherboards
PROCESSOR
CPU SocketAMD Socket AM4
Compatible ProcessorsAMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Desktop Processors
ChipsetAMD B550
MEMORY
Memory Slots4 x DIMM
Maximum Memory128 GB
Memory TypeDDR4
Memory Speed4866 MHz (OC) / 4800 MHz (OC) / 4600 MHz (OC) / 4466 MHz (OC) / 4400 MHz (OC) / 4333 MHz (OC) / 4266 MHz (OC) / 4200 MHz (OC) / 4133 MHz (OC) / 4000 MHz (OC) / 3866 MHz (OC) / 3733 MHz (OC) / 3600 MHz (OC) / 3466 MHz (OC) / 3400 MHz (OC) / 3333 MHz (OC) / 3200 MHz / 3000 MHz / 2933 MHz / 2800 MHz / 2666 MHz / 2400 MHz / 2133 MHz
Memory ArchitectureDual Channel
STORAGE
M.2 Slots2 x M.2
SATA Ports4 x SATA 6Gb/s
RAID SupportRAID 0 / 1 / 10 for PCIe and SATA
EXPANSION SLOTS
PCIe x16 Slots1 x PCIe 4.0 x16 slot, 1 x PCIe 3.0 x16 slot
PCIe x1 Slots2 x PCIe 3.0 x1 slots
GRAPHICS
Video Outputs1 x HDMI, 1 x DVI-D, 1 x D-Sub
NETWORKING
Ethernet1 x Realtek 1Gb Ethernet
WirelessWi-Fi 6 (802.11 a/b/g/n/ac/ax)
BluetoothBluetooth v5.2
USB
Rear USB Ports2 x USB 3.2 Gen 2 Type-A, 4 x USB 3.2 Gen 1 Type-A
Front USB Headers2 x USB 2.0 headers, 1 x USB 3.2 Gen 1 header
INTERNAL CONNECTORS
Internal USB 2.0 Headers2
Internal USB 3.2 Headers1
RGB Headers1 x Addressable Gen 2 header, 2 x AURA RGB headers
Other Headers1 x Clear CMOS header, 1 x COM Port header, 1 x Front Panel Audio header, 1 x S/PDIF Out header
PHYSICAL
Form FactorMicro-ATX
Dimensions9.6 in x 9.6 in (24.4 cm x 24.4 cm)
Board SizeMicro-ATX
FIRMWARE
BIOS256 Mb Flash ROM, UEFI AMI BIOS
ManageabilityWOL by PME, PXE
Operating System SupportWindows 11 64-bit / Windows 10 64-bit

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Asus
Part no PRIME B550M-A WIFI II
Ascent part no 614288
NZ support 0-800-278-778
  • Free NZ deliveryNo hidden fees
  • 100% Kiwi owned34 years in business
  • Net Promoter Score 94Rated by our customers
Questions? (04) 802 3890


"It was a perfect experience. All team members at Ascent worked together beautifully and kept everyone in the loop about our special request, so I never had to repeat myself. They found the p" ... Kirsten, 7 October 2026
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