Asrock B850M PRO-A, AMD B850, AM5, Micro ATX, 4 DDR5, HDMI, DP, 2.5G LAN, 3x M.2

Data sheet

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1 x Front Panel Type-C USB 3.2 Gen1

Wireless

-

RAM Speeds

Up to 8000+(OC)

Accessories

1 x I/O Shield2 x SATA Data Cables1 x Screw for M.2 Socket

USB Ports Supported

Rear:1 x USB 10Gbps Type-C (Rear)1 x USB 10Gbps Type-A2 x USB 5Gbps Type-A4 x USB 2.0Front:1 x USB 5Gbps Type-C4 x USB 5Gbps Type-A4 x USB 2.0

Storage

4 x SATA III3 x M.2Ryzen 9000 & 7000 Series CPUs:M.2_1 (2280) - PCIe 5.0 x4Ryzen 8000 Series CPUs:M.2_1 (2280) - PCIe 4.0 x4AMD B850 Chipset:M.2_2 (2280) - PCIe 4.0 x4M.2_3 (2280) - PCIe 4.0 x4/x2

RAID

Supports RAID 0, 1 and 10 for SATA storage devicesSupports RAID 0, 1 and 10 for M.2 NVMe storage devices** Requires additional M.2 NVMe expansion cards to support RAID 10

Warranty

3 Year Replacement Warranty

Motherboard Type

Desktop

Form Factor

Micro ATX

Socket

AMD AM5

Chipset

AMD B850

DDR Type

DDR5

RAM Technology

DDR5 (Dual Channel)ECC and Non-ECC Un-buffered DIMMSupports XMP & EXPO

RAM Slots

4 x DIMM

Maximum Memory

256GB

LAN

2.5GB LAN

Audio

7.1 CH HD Audio (Realtek ALC897 Audio Codec)

Back Panel I/O Ports

2 x Antenna Mounting Points1 x HDMI1 x DisplayPort 1.41 x USB 3.2 Gen2 Type-A (10 Gb/s)1 x USB 3.2 Gen2 Type-C2 x USB 3.2 Gen14 x USB 2.01 x RJ-45 LAN1 x BIOS Flashback ButtonHD Audio Jacks

Internal I/O Connectors

1 x SPI TPM1 x Power LED and Speaker1 x RGB LED3 x Addressable LED2 x CPU Fan3 x Chassis Fan1 x 24 pin ATX1 x 8 pin 12V1 x 4 pin 12V1 x Front Panel Audio2 x USB 2.02 x USB 3.2 Gen1

CPU Support

AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors

Package Type

Retail

Graphics Ports

1 x HDMI1 x DisplayPort

Additional Features

See Overview

Graphics

Integrated GraphicsGraphics specifications may vary between CPU types

M.2 Slot(s)

Yes (M.2)

No. LAN Ports

1 x LAN

Max LAN Speed

2.5GB LAN

PCI/PCI Express

Ryzen 9000 & 7000 Series CPUs:1 x PCIe 5.0 x161 x PCIe 4.0 x4Ryzen 8000 Series CPUs:1 x PCIe 4.0 x8/x41 x PCIe 4.0 x4