The MSI B550-A PRO helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.
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3-YEARS Limited Warranty
Base-on purchase date
OPERATING SYSTEM | Support for Windows® 10 64-bit |
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Manufacturer Number | B550-A PRO |
Product Condition | New |
CPU | Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors |
Chipset | AMD® B550 Chipset |
CPU Socket | AM4 |
Form Factor | ATX |
Memory | 4 x DDR4 memory slots, support up to 128GB
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LAN | 1 x Realtek® RTL8111H Gigabit LAN Controller |
Wireless LAN | N/A |
Bluetooth | N/A |
Audio | Realtek® ALC892 Codec
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MULTI-GPU | Supports 2-Way AMD CrossFire™ Technology |
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STORAGE | 1 x M.2 Gen4 x4 slot 1 x M.2 Gen3 x4 slot 6 x SATA 6Gb/s ports |
Onboard Graphics | 1 x HDMI port, supports a maximum resolution of 4096x2160 @24Hz 1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz Maximum shared memory of 2048 MB |
RAID | Supports RAID 0, RAID 1 and RAID 10 |
I/O (Rear) | Keyboard / Mouse DisplayPort LAN HD Audio Connectors Flash BIOS Button USB 2.0 HDMI USB 2.0 USB 3.2 Gen 1 5Gbps Type-A USB 3.2 Gen 2 10Gbps Type-A+C |
Expansion Slots | 1 x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1 x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed 2 x PCIe 3.0 x1 slots |
USB (Front) | 1 x (Gen1, Type C) 2 x (Gen1, Type A) 4 x (v2.0) |
USB (Rear) | 1 x (Gen2, Type C) 1 x (Gen2, Type A) 2 x (Gen1, Type A) 4 x (v2.0) |
Internal Connectors | 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 6 x SATA 6Gb/s connectors 2 x M.2 slots (M-Key) 1 x USB 3.2 Gen 1 5Gbps Type-C port 1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports) 1 x 4-pin CPU fan connector 1 x 4-pin water-pump fan connector 6 x 4-pin system fan connectors 1 x Front panel audio connector 2 x System panel connectors 1 x Chassis Intrusion connector 1 x 4-pin RGB LED connector 2 x 3-pin RAINBOW LED connectors 1 x TPM module connector 1 x Clear CMOS jumper |
Dimensions | 12.00" x 9.60" |
Manufacturer Warranty | 3 Year |