MSI B550-A PRO - Motherboard - ATX - Socket AM4 - AMD B550 Chipset - USB-C Gen2, USB-C Gen1, USB 3.2 Gen 1, USB 3.2 Gen 2 - Gigabit LAN - onboard graphics (CPU required) - HD Audio (8-channel)

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Article: 3039381 Intrastat: 84717020 SKU: B550-APRO
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Product TypeMotherboard - ATX
Chipset TypeAMD B550
Processor SocketSocket AM4
Max Processors Qty1
Compatible ProcessorsRyzen (supports 3rd Generation Ryzen and New Generation Ryzen with Radeon Graphics)
Max Size128 GB
TechnologyDDR4
Bus Clock2400 MHz, 1866 MHz, 2133 MHz, 2800 MHz, 3000 MHz, 2666 MHz, 2933 MHz, 3466 MHz (O.C.), 3733 MHz (O.C.), 3600 MHz (O.C.), 3866 MHz (O.C.), 4000 MHz (O.C.), 4133 MHz (O.C.), 4400 MHz (O.C.), 4266 MHz (O.C.), 3200 MHz, 3066 MHz
Supported RAM Integrity CheckNon-ECC, ECC (operate in non-ECC mode)
Registered or BufferedUnbuffered
FeaturesDual channel memory architecture, supported ECC modules operate in non-ECC mode, A-XMP support
Max Allocated RAM Size2 GB
TypeHD Audio (8-channel)
Audio CodecRealtek ALC892
Compliant StandardsHigh Definition Audio
Network ControllerRealtek RTL8111H
Network InterfacesGigabit Ethernet
Expansion Slots1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 ¦ 1 x PCIe 3.0 x16 (x4 mode (auto turn-off if M.2 is occupied)) ¦ 2 x PCIe 3.0 x1
Storage InterfacesSATA-600 -connectors: 6 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ SATA-600 / PCIe 4.0 -connectors: 1 x M.2 - RAID 0 / RAID 1 ¦ PCIe 3.0 -connectors: 1 x M.2 - RAID 0 / RAID 1
Interfaces1 x LAN (Gigabit Ethernet) ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x audio line-out (side surround) - mini-jack ¦ 2 x USB 3.2 Gen 1 ¦ 1 x USB 3.2 Gen 2 ¦ 1 x audio line-out (center/subwoofer) - mini-jack ¦ 1 x audio line-out (rear) - mini-jack ¦ 1 x USB-C Gen2 ¦ 1 x PS/2 keyboard / mouse ¦ 4 x USB 2.0 ¦ 1 x HDMI ¦ 1 x DisplayPort
Internal Interfaces4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x USB-C Gen 1 - header ¦ 1 x audio - header
Power Connectors24-pin main power connector, 8-pin ATX12V connector
Hardware FeaturesAMD CrossFireX technology support, Debug LED, Double ESD Protection, 2oz Copper PCB, M.2 Shield FROZR, MSI Core Boost, MSI PCIe Steel Slot, MSI Mystic Light Sync
Included AccessoriesCase badge, I/O back cover
Cables Included2 x Serial ATA cable
Software IncludedDrivers & Utilities
Width30.5 cm
Depth24.4 cm

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