ASRock B550M PRO4 mATX Motherboard Ryzen 3rd Gen Socket AM4 DDR4 4733 (Max 128GB) 2x M.2 Slots USB 3.2 Gen 2 HD Audio
Model #: B550M PRO4 Item #: MOTASR550MPR
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ASRock B550M PRO4 mATX Motherboard Ryzen 3rd Gen Socket AM4 DDR4 4733 (Max 128GB) 2x M.2 Slots USB 3.2 Gen 2 HD Audio

$109.95
General Information
Product TypeDesktop Motherboard
Product SeriesPRO
Brand NameASRock
ManufacturerASRock, Inc
Product ModelB550M Pro4
Product NameB550M Pro4 Desktop Motherboard
Manufacturer Part NumberB550M PRO4
Manufacturer Website Addresshttp://www.asrock.com
Processor & Chipset
Chipset ManufacturerAMD
Processor SocketSocket AM4
Processor SupportedRyzen 3
Processor SupportedRyzen 5
Processor SupportedRyzen 7
Processor SupportedRyzen 3 PRO
Processor SupportedRyzen 5 Pro
Processor SupportedRyzen 7 PRO
Processor SupportedRyzen 9
Total Processor Supported1
Memory
Number of Memory Slots4
Memory Form FactorDIMM
Memory Form FactorUDIMM
Memory Speed Supported4733 MHz (O.C.)
Memory Speed Supported4666 MHz (O.C.)
Memory Speed Supported4600 MHz (O.C.)
Memory Speed Supported2667 MHz
Memory Speed Supported3200 MHz
Memory Speed Supported2933 MHz
Memory Speed Supported2400 MHz
Memory Speed Supported2133 MHz
Memory Speed Supported4533 MHz (O.C.)
Memory Speed Supported4466 MHz (O.C.)
Memory Speed Supported4333 MHz (O.C.)
Memory Speed Supported4200 MHz (O.C.)
Memory Speed Supported3800 MHz (O.C.)
Memory Speed Supported3466 MHz (O.C.)
Memory Speed Supported3600 MHz (O.C.)
Memory Speed Supported3733 MHz (O.C.)
Memory Speed Supported3866 MHz (O.C.)
Memory Speed Supported4000 MHz (O.C.)
Memory Speed Supported4133 MHz (O.C.)
Memory Speed Supported4266 MHz (O.C.)
Memory Speed Supported4400 MHz (O.C.)
Memory TechnologyDDR4 SDRAM
Maximum Memory Supported128 GB
I/O Controller
RAID SupportedYes
RAID Levels0
RAID Levels10
RAID Levels1
Controller TypeSerial ATA/600
Video
Onboard VideoCPU Dependent Video
Audio
Audio Channels7.1
Network & Communication
Gigabit EthernetYes
I/O Expansions
Number of PCI Express x1 Slots1
Number of Total Expansion Slots3
Number of PCI Express x16 Slots2
Total Number of PCI Express Slots3
Interfaces/Ports
HDMIYes
VGAYes
Number of Network (RJ-45) Ports1
DisplayPortYes
Total Number of USB Ports8
Number of USB 2.0 Ports2
Number of USB 3.2 Ports6
Onboard Interfaces
Number of SATA Interfaces6
Total Number of Onboard USB Ports8
Number of Onboard USB 2.0 Ports4
Number of M.2 Interfaces3
Number of Onboard USB 3.2 Ports4
Physical Characteristics
Width9.6"
Depth9.6"
Form FactorMicro ATX
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ASRock B550M PRO4 mATX Motherboard Ryzen 3rd Gen Socket AM4 DDR4 4733 (Max 128GB) 2x M.2 Slots USB 3.2 Gen 2 HD Audio is available to buy in increments of 1