Asus PRIME B550M-A Motherboard / AM4 / micro ATX

Processor support: AMD Ryzen 3000, 4000 G-Series and 5000 series processors
AMD B550
Memory:
4 × DDR4 DIMM slots
Supports up to 128 GB
Frequencies up to 4400 MHz (OC)
Expansion slots:
1 × PCIe 4.0 x16 (SafeSlot Core)
2 × PCIe 3.0 x1
Storage options:
2 × M.2 slots (1 × PCIe 4.0 x4, 1 × PCIe 3.0 x4)
4 × SATA 6 Gbps ports
RAID 0, 1, 10 support
Network: Realtek RTL8111H 1 Gb Ethernet
Audio: Realtek ALC887 7.1-channel high-definition audio codec
I/O ports:
1 × HDMI
1 × DVI-D
1 × D-Sub
2 × USB 3.2 Gen 2 Type-A
4 × USB 3.2 Gen 1
2 × USB 2.0
3 × Audio jack
1 × PS/2 combo port
Internal connectors:
1 × USB 3.2 Gen 1 front connector
2 × USB 2.0 front connectors
1 × Aura Sync RGB header
Cooling:
VRM and PCH radiator system
Fan Xpert 2+ support
Additional features:
ASUS OptiMem memory layout technology
DIGI+ VRM digital power management
Aura Sync RGB lighting support
BIOS FlashBack™ feature
Format: micro-ATX (244 × 244 mm)