ASRock B550M Pro4
The board is equipped with graphics outputs for use with processors with integrated graphics core. The motherboard does not include a graphics card and without the use of a corresponding processor, these outputs will be inoperative.
CPU
Support for AMD Ryzen 3rd generation and higher processors (AM4 socket)
Does not support Ryzen 5 3400G and Ryzen 3 3200G processors
Chipset
AMD B550
Memory
4 x DDR4 memory slots, 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 (Picasso) CPU only supports non-ECC, no cache (ECC supported only on PRO versions)
Intel Extreme Memory Profile (XMP) support
Slots
1 x PCIe 3.0 x16 slot
Ryzen (Matisse) CPU supports PCIe 4.0
1 x PCIe 3.0 x16 slot (supports x4 mode)
1 x PCIe 3.0 x1 slot
Graphic arts
1 x DisplayPort, supporting max. resolution 5120 x 2880 at 120 Hz
1 x HDMI port, supporting max. resolution 4096 x 2160 at 60 Hz
1 x VGA port, supporting max. resolution 1920 x 1200 at 60 Hz
Multi-GPU
AMD CrossFireX and Quad 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 drives (SATA and PCIe 3.0 x2 mode)
USB
8 x USB 3.2 Gen1 (USB 3.0) ports (4 ports on the back panel, 4 ports available via internal USB connector)
6 x USB 2.0 ports (2 ports on the back panel, 4 ports available via internal USB connectors)
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
Premium Blu-ray Audio support
HIND
1 x Realtek RTL8111H Gigabit LAN controller
Internal connectors
6 x SATA 6Gb/s connector
2 x M.2 slots, M Key
1 x M.2 slot, E key for Wi-Fi module (not included)
1 x serial port connector
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 chassis fan/water cooling pump connector
1 x 24-pin ATX main power connector
1 x 8-pin 12V power connector
1 x front panel audio connector
2 x USB 2.0 connector (supports 4x USB 2.0 port)
2 x USB 3.2 Gen1 (USB 3.0) connector (supports 2x USB 3.2 Gen1 port)
Rear panel ports
1 x PS/2 keyboard and mouse combo port
1 x VGA
1 x DisplayPort
1 x HDMI
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 ports
1 x RJ-45
3 x audio jacks
Dimensions
24.4 x 24.4 cm
Micro ATX format
