Asus Prime B550M-A AC Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX

Part No. PRIME B550M-A AC

by ASUS Computer International

Asus Prime B550M-A AC Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX

Ryzen 3, Ryzen 5, Ryzen 7, Ryzen 9, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 9 PRO, Ryzen 3 PRO Processor Supported - 128 GB DDR4 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - IEEE 802.11a/b/g/n/ac - HDMI - 4 x SATA Interfaces

Part No. PRIME B550M-A AC

by ASUS Computer International

$178.99
General Information
ManufacturerASUS Computer International
Manufacturer Part NumberPRIME B550M-A AC
Brand NameAsus
Product LinePrime
Product ModelB550M-A AC
Product NamePrime B550M-A AC Desktop Motherboard
Marketing Information

AMD AM4 mATX motherboard with PCIe 4.0, dual M.2, WiFi, HDMI, D-Sub, DVI, SATA 6 Gbps, USB 3.2 Gen 2 ports, Aura Sync RGB lighting

  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Comprehensive cooling: VRM heatsink, PCH heatsink, Fan Xpert 2+
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 802.11ac Wi-Fi, USB 3.2 Gen 2 Type-A
  • Aura Sync RGB: Synchronizable LED effects across a vast portfolio of compatible PC gear, including addressable RGB strips
PRIME

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation 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.

Product TypeDesktop Motherboard
Processor & Chipset
Chipset ManufacturerAMD
Chipset ModelB550
Total Processor Supported1
Processor SocketSocket AM4
Processor Supported
  • Ryzen 3
  • Ryzen 5
  • Ryzen 7
  • Ryzen 9
  • Ryzen 5 Pro
  • Ryzen 7 PRO
  • Ryzen 9 PRO
  • Ryzen 3 PRO
Memory
Number of Memory Slots4
Memory Form Factor
  • DIMM
  • UDIMM
Maximum Memory Supported128 GB
Memory TechnologyDDR4 SDRAM
Memory Speed Supported
  • 2133 MHz
  • 2400 MHz
  • 2666 MHz
  • 2800 MHz
  • 3000 MHz
  • 3200 MHz
  • 3333 MHz
  • 3466 MHz
  • 3866 MHz
  • 3600 MHz
  • 3733 MHz
  • 4000 MHz
  • 4133 MHz
  • 4466 MHz
  • 4600 MHz
  • 4400 MHz
  • 4800 MHz
  • 4266 MHz
  • 4200 MHz
  • 3400 MHz
  • 4333 MHz
  • 4866 MHz
I/O Controller
Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels
  • 0
  • 10
  • 1
Video
Onboard VideoCPU Dependent Video
Audio
Audio Channels7.1
Network & Communication
BluetoothYes
Gigabit EthernetYes
Wireless LANYes
Wireless LAN StandardIEEE 802.11a/b/g/n/ac
I/O Expansions
Total Number of Expansion Slots3
Total Number of PCI Express Slots3
Number of PCI Express x1 Slots2
Number of PCI Express x16 Slots1
Interfaces/Ports
Total Number of USB Ports6
Number of USB 3.2 Ports6
VGAYes
HDMIYes
DVIYes
Number of Network (RJ-45) Ports1
Onboard Interfaces
Number of SATA Interfaces4
Number of M.2 Interfaces2
Total Number of Onboard USB Ports6
Number of Onboard USB 2.0 Ports4
Number of Onboard USB 3.2 Ports2
Onboard S/PDIF HeaderYes
Physical Characteristics
Form FactorMicro ATX
Width9.60" (243.84 mm)
Depth9.60" (243.84 mm)
Miscellaneous
Country of OriginChina
Environmentally FriendlyYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
ConditionNo
UPC192876848401