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MSI
MSI B550-A PRO AM4 ATX Motherboard
MSI B550-A PRO AM4 ATX Motherboard
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$145.99 USD
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$145.99 USD
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MSI B550-A PRO Motherboard
- 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
- Supports DDR4 Memory, up to 4400(OC) MHz
- Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
- Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works
- Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
- Audio Boost: Reward your ears with studio grade sound quality
- Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire™
- Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.
| Chipset | AMD B550 |
| CPU Socket | AM4 |
| USB | 2 x USB 2.0 Type-A 2 x USB 3.1 / USB 3.2 Gen 1 Type-A 1 x USB 3.1 / USB 3.2 Gen 2 Type-A 1 x USB 3.1 / USB 3.2 Gen 2 Type-C |
| Thunderbolt | None |
| Display | 1 x DisplayPort 1 x HDMI 2.1 |
| Audio | 5 x 3.5 mm 1 x S/PDIF |
| Ethernet / Controller | 1 |
| PS/2 | 1 x PS/2 |
| Buttons | BIOS Flashback |
| Memory Slots | 4 x 288-Pin |
| Memory Support | DDR4 1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400 MHz |
| Maximum Capacity | 128 GB |
| Channel Architecture | Dual Channel |
| ECC Support | Non-ECC, ECC Unbuffered |
| SATA | 6 x SATA III |
| M.2 | 1 x M Key 2242, 2260, 2280, 22110 (PCIe 4.0 x4, PCIe 3.0 x4) 1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4) |
| U.2 | None |
| RAID Support | RAID 0, 1, 10 (SATA) RAID 0, 1 (M.2) |
| Expansion Slots | 1 x PCIe 4.0 x16 1 x PCIe 3.0 x16 2 x PCIe 3.0 x1 |
| USB | 2 x USB 2.0 Header (Supports 4 USB Type-A Port) 1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 1 USB Type-C Port) 1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port) |
| Multi-GPU Support | 2-Way AMD CrossFireX |
| Air Cooling | 1 x 4-Pin CPU 6 x 4-Pin System |
| Liquid Cooling | 1 x 4-Pin Pump |
| Power Connectors | 1 x 24-Pin Mainboard 1 x 8-Pin ATX |
| Security | Chassis Intrusion, TPM Module |
| LED Header | 3 x RGB |
| Audio | 1 x Speaker |
| Diagnostics | Clear CMOS |
| I/O Connection Headers | USB 3.1 / USB 3.2 Gen 1 |
| Audio Codec | Realtek ALC892/ALC897 (7.1-Channel) |
| Supported Operating Systems | Windows 10 (64-Bit) |
| Form Factor | ATX |
| Dimensions | 9.6 x 12" / 24.4 x 30.5 cm |
| Package Weight | 3.555 lb |
| Box Dimensions (LxWxH) | 13.6 x 10.8 x 3.45" |
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Proposition 65 Warning for California Consumers
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