ASRock B850 Pro-A AMD B850 AM5 4x DDR5 DIMM 4x M.2 HDMI USB-C ATX

ASRock B850 Pro-A

The board is equipped with graphics outputs for use with processors with integrated graphics. The motherboard does not include a graphics card and without the use of a corresponding processor, these outputs will be inoperative.

CPU

• Supports AMD Ryzen 9000, 8000 and 7000 series processors (AM5 socket)

Chipset

• AMD B850

Memory

• 4× DDR5 memory slots, support up to 256 GB
• Supports DDR5 up to 8000+ (OC) MHz
• Dual-channel memory architecture
• ECC/non-ECC support, unbuffered
• Supports AMD EXtended Profiles for Overclocking (EXPO)
• Supports Extreme Memory Profile (XMP)

Slots

• 1× PCIe 5.0 x16 slot
• 1× PCIe 4.0 x16 slot (supports x4 mode)

Graphics

• 1× HDMI 2.1 port, supporting max. 4K resolution at 120 Hz
• 1× USB-C 3.2 Gen1 (USB-C 3.0) port, supporting max. 4K resolution at 60 Hz (according to DisplayPort 1.4a)

Storage

• 1× Blazing M.2 slot, M Key, for type 2280 drives (PCIe 5.0 x4 mode)
• 1× Hyper M.2 slot, M Key, for type 2280 drives (PCIe 4.0 x4 mode)
• 1× Hyper M.2 slot, M Key, for type 2230/2242/2260/2280 drives (PCIe 4.0 x4 mode)
• 1× Ultra M.2 slot, M Key, for type 2280 drives (PCIe 3.0 x4 mode)
• 2× SATA 6Gb/s port
• 2× SATA 6Gb/s port
• RAID 0 and RAID 1 support for SATA drives
• RAID 0, RAID 1 and RAID 10 support for M.2 NVMe drives

USB

• 1× USB-C 3.2 Gen2 port on the back panel
• 1× USB-C 3.2 Gen1 port on the back panel
• 1× USB-C 3.2 Gen2x2 port accessible via internal USB connector
• 6× USB 3.2 Gen1 (USB 3.0) ports (4 ports on the back panel, 2 ports accessible via internal USB connector)
• 9× USB 2.0 ports (6 ports on the back panel, 3 ports accessible via internal USB connectors)

Audio

• Realtek ALC897 Codec
• 7.1-channel High Definition Audio

LAN

• 1× Dragon RTL8125BG 2.5Gigabit LAN controller

Internal connectors

• 1× SPI TPM connector
• 1× Speaker and Power LED connector
• 1× RGB LED strip connector
• 3× Addressable LED strip connector
• 2× 4pin CPU fan connector
• 4× 4pin chassis fan connector
• 1× 4pin AIO fan connector
• 1× 24pin ATX main power connector
• 2× 8pin 12V power connector
• 1× front panel audio connector
• 2× USB 2.0 connector (supports 3× USB 2.0 port)
• 1× USB 3.2 Gen1 (USB 3.0) connector (supports 2× USB 3.2 Gen1 port)
• 1× USB-C 3.2 Gen2x2 front panel connector
• 1× M.2 slot, E key for Wi-Fi module (not included)

Back panel ports

• 1× HDMI
• 1× USB-C 3.2 Gen2 (USB-C 3.1)
• 1× USB-C 3.2 Gen1 (USB-C 3.0)
• 4× USB 3.2 Gen1 (USB 3.0)
• 6× USB 2.0
• 1× RJ-45
• 1× BIOS Flashback button
• 3× audio jack

Dimensions

• 30.5 × 24.4 cm
• ATX format