Asus PRIME B550M-A/CSM
Category: Motherboard
Manufacturer: ASUS
Socket: AM4
Chipset: B550M
Form Factor: Micro-ATX
Memory: DDR4
Price: $133.29 from Newegg

Asus PRIME B550M-A/CSM
Socket
AM4
Chipset
B550M
Form Factor
Micro-ATX
Memory
DDR4
Best price from Newegg
$133.29
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Overview
This is an Micro-ATX board on the B550M chipset, AM4 socket. Memory support covers 4 DDR4 slots up to 128GB total. Expansion covers 2 M.2 slots and 2 PCIe slots. Pick the board for its socket before anything else — chipset niceties come after.
At $133.29 it sits in the mid-range motherboard bracket. PlanMyPC's builder flags compatibility problems automatically and adds the part's price to your build total. Support and warranty service run through ASUS, with terms that vary by region. 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 | B550M |
| M.2 Slots | 2 |
| PCIe Slots | 2 |
| Bluetooth | No |
| Max Memory | 128 GB |
| Form Factor | Micro-ATX |
| Memory Type | DDR4 |
| Memory Slots | 4 |
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