MSI PRO B550-P GEN3
Category: Motherboard
Manufacturer: MSI
Socket: AM4
Chipset: B550
Form Factor: ATX
Memory: DDR4
Price: $187.78 from Amazon

MSI PRO B550-P GEN3
Socket
AM4
Chipset
B550
Form Factor
ATX
Memory
DDR4
Best price from Amazon
$187.78
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Overview
This is an ATX board on the B550 chipset, AM4 socket. Memory support covers 4 DDR4 slots up to 128GB total. Expansion covers 2 M.2 slots and 2 PCIe slots. Match the socket to your CPU generation first; chipset features second.
At $187.78 it sits in the mid-range motherboard bracket. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. MSI backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.
| Specification | Value |
|---|---|
| Wi-Fi | No |
| Socket | AM4 |
| Chipset | B550 |
| M.2 Slots | 2 |
| PCIe Slots | 2 |
| Bluetooth | No |
| Max Memory | 128 GB |
| Form Factor | ATX |
| Memory Type | DDR4 |
| Memory Slots | 4 |





