ASRock B550M Steel Legend AM4 4x DDR4 DIMM HDMI DP 2x M.2 USB-C mATX

ASRock B550M Steel Legend

The board is equipped with graphics outputs for use with processors with an integrated graphics core. The motherboard does not contain a graphics card and without the use of a corresponding processor, these outputs will be non-functional.

CPU

• Support for AMD Ryzen 3 processors. and higher generations (socket AM4)
• Does not support Ryzen 5 3400G and Ryzen 3 3200G processors

Chipset

• AMD B550

Memory

• 4 x DDR4 memory slot, support up to 128 GB
• Dual channel memory architecture
• Support DDR4 4733+ (OC)/ 4666 (OC)/ 4600 (OC)/ 4533 (OC)/ 4466 (OC)/ 4400 (OC)/ 4333 (OC)/ 4266 (OC)/ 4200 (OC)/ 4133 (OC)/ 4000 (OC)/ 3866 (OC)/ 3800 (OC)/ 3733 (OC)/ 3600 (OC)/ 3466 (OC)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz
• Ryzen (Matisse) CPU supports DDR4 4533+ (OC)/ 4466 (OC)/ 4400 (OC)/ 4333 (OC)/ 4266 (OC)/ 4200 (OC)/ 4133 (OC)/ 4000 (OC)/ 3866 (OC)/ 3800 (OC)/ 3733 (OC)/ 3600 (OC)/ 3466 (OC)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz
• ECC and non-ECC support, unbuffered
• Ryzen CPU (Picasso) only supports non-ECC, no buffer (ECC supported only in PRO versions)
• Intel Extreme Memory Profile (XMP) support

Slots

• 1 x PCIe 3.0 x16 slot
• Ryzen CPU (Matisse) supports PCIe 4.0
• 1 x PCIe 3.0 x16 slot (supports x4 mode)
• 1 x PCIe 3.0 x1 slot

Graphic Design

• 1 x HDMI port, supporting a maximum resolution of 4096 x 2160 at 60 Hz
• 1 x DisplayPort, supporting a maximum resolution of 5120 x 2880 at 120 Hz

Multi-GPU

• AMD Quad CrossFireX and CrossFireX support

Storage

• 6 x SATA 6Gb/s ports
• RAID 0, RAID 1 and RAID 10 support
• 1 x Hyper M.2 slot, M Key, for type 2280 units (PCIe 3.0 x4 mode)
• Ryzen CPU (Matisse) supports PCIe 4.0 x4 mode
• 1 x M.2 slot, M Key, for type 2280 units (SATA and PCIe 3.0 x2 mode)

USB

• 6 x USB 2.0 ports (2 ports on the back panel, 4 ports available via internal USB connectors)
• 8 x USB 3.2 Gen1 (USB 3.0) ports (4 ports on the back panel, 4 ports available via the internal USB connector)
• 1 x USB 3.2 Gen2 type C port on the back panel
• 1 x USB 3.2 Gen2 (USB 3.1 Gen2) port on the back panel

Audio

• Realtek ALC1200 Codec
• 7.1 channel High Definition Audio

LAN

• 1 x Dragon RTL8125BG 2.5Gigabit LAN controller

Internal connectors

• 6 x SATA 6Gb/s connector
• 2 x M.2 slot, M Key
• 1 x M.2 slot, E key for Wi-Fi module (not included)
• 1 x SPI TPM connector
• 1 x speaker connector and Power LED
• 2 x RGB LED strip connector
• 2 x addressable LED strip connector
• 1 x 4-pin CPU fan connector
• 1 x 4-pin CPU fan/water cooling pump connector
• 4 x 4-pin case fan/water cooling pump connector
• 1 x 24-pin ATX main power connector
• 1 x 8-pin 12V power connector
• 1 x 4-pin 12V power connector
• 1 x front panel audio connector
• 2 x USB 2.0 connector (supports 4 x USB 2.0 port)
• 2 x USB 3.2 Gen1 (USB 3.0) connector (supports 4 x USB 3.2 Gen1 port)

Rear panel ports

• 1 x PS/2 keyboard and mouse combo port
• 1 x HDMI
• 1 x DisplayPort
• 1 x optical S/PDIF output
• 1 x USB 3.2 Gen2 (USB 3.1 Gen2)
• 1 x USB 3.2 Gen2 Type C
• 4 x USB 3.2 Gen1 (USB 3.0)
• 2 x USB 2.0
• 1 x RJ-45
• 1 x Clear CMOS button
• 5 x audio jacks

Dimensions

• 24.4 x 24.4 cm
• Micro ATX format