B550M STEEL LEGEND, AM4, DDR4, Broj utora 4, 2133,2400,2666,2933,3200 ,3466,3600,3733,3866,4000,4133 MHz, PCIe 3.0 x16 1, PCIe x4 1, PCIe x1 1, SATA3 6, RAID 0,1, 8-kanalni audio, 1x 10/100/1000 Ethernet, Display Port 1, USB 2.0 2, mATX, M.2 2, USB 3.1 6
Osnovne karakteristike:
Socket: AM4
CPU: AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, AMD Ryzen 9
Memorija: DDR4
Broj utora: 4
Max. memorije [GB]: 128
Takt memorije [MHz]: 2133, 2400, 2666, 2933, 3200, 3466, 3600, 3733, 3866, 4000, 4133

Utori:
AGP 4x/8x: n/a
PCI: n/a
PCIe 3.0 x16: 1
PCIe x16: n/a
PCIe x8: n/a
PCIe x4: 1
PCIe x1: 1
PCI-X: n/a
PATA: n/a
SATA II: n/a
SATA3: 6

Ostale karakteristike:
RAID: 0, 1

Stražnji panel:
Audio: 8-kanalni audio
Mreža: 1x 10/100/1000 Ethernet
Parallel: n/a
Serial: n/a
PS/2 mouse: n/a
PS/2 keyboard: 1
eSATA: 0
D-sub: n/a
DVI: n/a
Display Port: 1
HDMI: 1
RJ45: 1
USB 2.0: 2
USB 3.0: 0

Konektori:
S/PDIF Out: n/a
FireWire: 0
4-pin ATX 12V Power: n/a
8-pin ATX 12V Power: Y
20-pin ATX Power: n/a
24-pin ATX Power: Y
Front panel audio: Y
Chasis Intrusion: n/a
CD Audio In: n/a
Chasis Fan Power: 4
CPU Fan Power: 1
Format ploče: mATX
WLAN connector: n/a
Podrška za integrirani grafičk: Y
SATA Express: n/a
M.2: 2
U.2: n/a
USB 3.1: 6
USB 3.1: 2
USB 3.2: 0