MSI MPG B550 GAMING PLUS AM4 AMD B550 ATX Motherboard
AMD B550 ATX motherboard with Socket AM4 for Ryzen 3000/5000 series. Supports DDR4 up to 128GB/4400MHz(OC), PCIe 4.0, 2x M.2 Gen4, 10+2+1 VRM, Mystic Light RGB, USB 3.2 Gen2.
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GAME IN STYLE
The MSI MPG B550 GAMING PLUS lets gamers express style with advanced RGB lighting via Mystic Light, supporting 16.8M colors and extensions for LED strips. Real-time notifications enhance immersion.
PREMIUM PERFORMANCE & THERMALS
Built on AMD B550 chipset with 10+2+1 digital power phases and Core Boost for stable overclocking. Extended heatsinks, M.2 Shield Frozr keep components cool. Supports PCIe 4.0 for GPU/M.2, up to 4400MHz DDR4 via A-XMP.
CONNECTIVITY & EASY BUILD
Features USB 3.2 Gen2 (10Gbps), front Type-C header, Realtek ALC892 7.1 audio, Gigabit LAN. Pre-installed I/O shield, EZ Debug LED, BIOS flashback simplify setup. Dragon Center software unifies control.
- Socket AM4: Ryzen 3000/4000G/5000 series
- Memory: 4x DDR4, max 128GB
- Storage: 6x SATA III, 2x M.2 (1x Gen4)
- Expansion: 1x PCIe 4.0 x16, 1x PCIe 3.0 x16, 2x PCIe 3.0 x1
- RGB: Mystic Light headers
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3000 Series, AMD Ryzen 4000 G-Series, AMD Ryzen 5000 Series |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Maximum internal memory | 128 GB |
| Supported memory clock speeds | 1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400 MHz(OC) |
| Number of SATA III connectors | 6 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Ethernet LAN | Yes |
| Audio output channels | 7.1 channels |
| Product colour | Black |
| Width | 305 mm |
| Depth | 244 mm |
| Weight | 1 kg |