ASRock B850M Pro-A AMD AM5 DDR5 | M-ATX

Superb Productivity
– PCIe Gen5 (Graphics, M.2)
– Dual Channel DDR5
Rock-Solid Durability
– 8+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC
Ultrafast Connectivity
– 2.5G LAN
EZ Update
– BIOS Flashback Button
– ASRock Auto Driver Installer
EZ Troubleshooter
– ASRock Post Status Checker

– Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors*

– AMD B850

– Dual Channel DDR5 Memory Technology
– 4 x DDR5 DIMM Slots
– Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)
– Max. capacity of system memory: 256GB
– Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules

– 256Mb AMI UEFI Legal BIOS with GUI support

Integrated AMD RDNA™ graphics (Actual support may vary by CPU)
– 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
– 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 4K 120Hz

– 7.1 CH HD Audio (Realtek ALC897 Audio Codec)

– 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
– Dragon RTL8125BG
– Supports Dragon 2.5G LAN Software
– Smart Auto Adjust Bandwidth Control
– Visual User Friendly UI
– Visual Network Usage Statistics
– Optimized Default Setting for Game, Browser, and Streaming Modes
– User Customized Priority Control

CPU:
– 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
– 1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode*
Chipset:
– 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
– 15μ Gold Contact in VGA PCIe Slot (PCIE1)

CPU:
– 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
– 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
– 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
– 4 x SATA3 6.0 Gb/s Connectors

– Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
– Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices*

CPU:
– 1 x USB 3.2 Gen2 Type-C (Rear)
– 1 x USB 3.2 Gen2 Type-A (Rear)
Chipset:
– 1 x USB 3.2 Gen1 Type-C (Front)
– 6 x USB 3.2 Gen1 Type-A (2 Rear, 4 Front)
– 8 x USB 2.0 (4 Rear, 4 Front)

– 1 x SPI TPM Header
– 1 x Power LED and Speaker Header
– 1 x RGB LED Header*
– 3 x Addressable LED Headers**
– 2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
– 3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
– 1 x 24 pin ATX Power Connector
– 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
– 1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
– 1 x Front Panel Audio Connector
– 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
– 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
– 1 x Front Panel Type C USB 3.2 Gen1 Header

– 2 x Antenna Mounting Points
– 1 x HDMI Port
– 1 x DisplayPort 1.4
– 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)
– 1 x USB 3.2 Gen2 Type-C Port
– 2 x USB 3.2 Gen1 Ports
– 4 x USB 2.0 Ports
– 1 x RJ-45 LAN Port
– 1 x BIOS Flashback Button
– HD Audio Jacks: Line in / Front Speaker / Microphone

Software
– ASRock Motherboard Utility (A-Tuning)
– ASRock Dragon 2.5G LAN Software
– ASRock Polychrome SYNC*
UEFI
– ASRock EZ Mode
– ASRock Full HD UEFI
– ASRock Auto Driver Installer
– ASRock Instant Flash

– 1 x I/O Shield
– 2 x SATA Data Cables
– 1 x Screw for M.2 Socket

– Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm

– Microsoft Windows^® 10 64-bit / 11 64-bit

– FCC, CE
– ErP/EuP ready (ErP/EuP ready power supply is required)