ASUS PRIME B550M-A Motherboard

Overview

The ASUS PRIME B550M-A is a Micro-ATX AM4 motherboard designed for AMD Ryzen processors. Powered by the AMD B550 chipset, it supports Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors. It also provides DDR4 memory support, PCIe 4.0 connectivity, dual M.2 slots, and Gigabit Ethernet, making it a solid foundation for gaming and everyday performance PCs.

ASUS B550M-A Features

• AMD AM4 Socket
• AMD B550 Chipset
• Micro-ATX Form Factor
• 4 x DDR4 DIMM Slots
• Up to 128GB RAM
• PCIe 4.0 x16
• 2 x M.2 Slots
• 4 x SATA 6Gb/s
• Realtek 1Gb Ethernet
• USB 3.2 Gen 2
• HDMI, DVI-D & D-Sub
• ASUS Aura Sync RGB
• Fan Xpert 2+

ASUS B550M-A Memory & Storage

The motherboard supports up to 128GB of DDR4 memory across four DIMM slots. It includes two M.2 slots for NVMe storage, with the primary slot supporting PCIe 4.0 x4 when paired with a compatible Ryzen processor. Four SATA 6Gb/s ports are also available for additional storage.

ASUS B550M-A Connectivity

The ASUS B550M-A provides practical connectivity for modern PC builds. It features Realtek Gigabit Ethernet, USB 3.2 Gen 2 Type-A ports, multiple display outputs, and ASUS Aura Sync RGB headers. Its PCIe 4.0 x16 slot supports modern dedicated graphics cards.

Perfect For

• AMD Ryzen Gaming PCs
• AM4 Gaming Builds
• Home & Office PCs
• Content Creation
• Compact PC Builds
• AM4 Upgrades

Quick Technical Summary

Motherboard: ASUS PRIME B550M-A
Chipset: AMD B550
Socket: AM4
Form Factor: Micro-ATX
Memory: DDR4
Maximum Memory: 128GB
Expansion: PCIe 4.0 x16
Storage: 2 x M.2 + 4 x SATA 6Gb/s
LAN: Realtek 1Gb Ethernet
Wireless: Not Included
Audio: Realtek ALC887/897

Official Product Links

ASUS PRIME B550M-A:
ASUS Official Product Page

ASUS PRIME B550M-A Specifications:
ASUS Official Specifications