ASRock B550 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
4x 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
1x PCIe 3.0 x16 slot
Ryzen (Matisse) CPU supports PCIe 4.0
1x PCIe 3.0 x16 slot (supports x4 mode)
2x PCIe 3.0 x1 slots
Graphic arts
1x HDMI port, supporting max. resolution 4096 x 2160 at 60 Hz
1x VGA port, supporting max. resolution 1920 x 1200 at 60 Hz
Multi-GPU
AMD CrossFireX and Quad CrossFireX support
Storage
6x SATA 6Gb/s ports
RAID 0, RAID 1 and RAID 10 support
1x Hyper M.2 slot, M Key, for 2260/2280/22110 type units (PCIe 3.0 x4 mode)
Ryzen CPU (Matisse) supports PCIe 4.0 x4 mode
1x M.2 slot, M Key, for 2242/2260/2280 type units (SATA and PCIe 3.0 x2 mode)
USB
6x USB 3.2 Gen1 (USB 3.0) ports (4 ports on the back panel, 2 ports available via internal USB connector)
4x USB 2.0 ports available via internal USB connectors
1x USB 3.2 Gen2 Type-C port on the back panel
1x 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
1x Realtek RTL8111H Gigabit LAN controller
Internal connectors
6x SATA 6 Gb/s connector
2x M.2 slots, M Key
1x M.2 slot, E key for Wi-Fi module (not included)
1x serial port connector
1x SPI TPM connector
1x speaker connector and Power LED
2x RGB LED strip connector
2x addressable LED strip connector
1x 4-pin CPU fan connector
1x 4-pin CPU fan/water cooling pump connector
4x 4-pin chassis fan/water cooling pump connector
1x 24-pin ATX main power connector
1x 8-pin 12V power connector
1x 4-pin 12V power connector
1x front panel audio connector
2x USB 2.0 connector (supports 4x USB 2.0 port)
1x USB 3.2 Gen1 (USB 3.0) connector (supports 2x USB 3.2 Gen1 port)
Rear panel ports
1x PS/2 keyboard and mouse combo port
1x VGA
1x HDMI
1x USB 3.2 Gen2 (USB 3.1 Gen2)
1x USB 3.2 Gen2 Type-C
4x USB 3.2 Gen1 (USB 3.0)
1x RJ-45/>
3x audio jacks
Dimensions
30.5 x 24.4 cm
ATX format
