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Asrock B850M Pro-A (Socket AM5) DDR5 mATX Motherboard

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Socket AM5, B850 Chipset, Supports 7000/8000/9000 series AMD Ryzen, 4x DIMM Slots, DDR5 8000MHz (OC), PCIe Gen 5, 4x SATA 6Gb/s connectors, 3x M.2 Slot, 2.5GB LAN, mATX
£127.99 (incl. VAT)
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fiber_manual_record Pre order
SKU MOT-ASR-04009
EAN 4711581490390
MPN 90-MXBR8-A0UAYZ
MANUFACTURER ASRock
Detailed Specifications
Memory
Memory Technology Dual Channel DDR5
DIMM Slots 4 x DDR5 DIMM Slots
Memory Support Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)*
Max Capacity 256GB
Overclocking Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO)
Expansion Slot
CPU PCIe Slot 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
Chipset PCIe Slot 1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode*
M.2 Slot 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
Gold Contact 15μ Gold Contact in VGA PCIe Slot (PCIE1)
Graphics
Integrated Graphics AMD RDNA™ graphics (Actual support may vary by CPU)
HDMI 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3, max. resolution up to 4K 120Hz
DisplayPort 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3, max. resolution up to 4K 120Hz
Audio
Audio Codec Realtek ALC897 Audio Codec
Audio Channels 7.1 CH HD Audio
LAN
LAN Chipset Dragon RTL8125BG
LAN Speed 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
LAN Software Supports Dragon 2.5G LAN Software with Smart Auto Adjust Bandwidth Control, Visual Network Usage Statistics, Optimized Default Setting for Game, Browser, and Streaming Modes, User Customized Priority Control
USB
CPU USB Ports 1 x USB 3.2 Gen2 Type-C (Rear), 1 x USB 3.2 Gen2 Type-A (Rear)
Chipset USB Ports 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)
Rear Panel I/O
Ports 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
Storage
M.2 Slots 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode, 2 x Hyper M.2 Sockets (M2_2, M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode
SATA Connectors 4 x SATA3 6.0 Gb/s Connectors
RAID Support Supports RAID 0, RAID 1, and RAID 10 for both SATA and M.2 NVMe storage devices (requires additional M.2 NVMe expansion cards for RAID 10)
Connector
Fan Connectors 2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control), 3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)
USB Headers 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
RGB LED Support 1 x RGB LED Header, 3 x Addressable LED Headers
Software and UEFI
Software ASRock Motherboard Utility (A-Tuning), ASRock Dragon 2.5G LAN Software, ASRock Polychrome SYNC
UEFI Features ASRock EZ Mode, ASRock Full HD UEFI, ASRock Auto Driver Installer, ASRock Instant Flash
OS Support Microsoft® Windows® OS 10 64-bit / 11 64-bit
Certifications
Certifications FCC, CE, ErP/EuP ready (ErP/EuP ready power supply is required)
Accessories
Included Accessories 1 x I/O Shield, 2 x SATA Data Cables, 1 x Screw for M.2 Socket
Platform
Form Factor Micro ATX: 9.6-in x 9.6-in (24.4 cm x 24.4 cm)
Chipset AMD B850
Wi-Fi & LAN
LAN Yes
LAN Ports 1x 2.5 Gbit/s
Wi-Fi / Bluetooth No
Lighting
Lighting Yes
Form Factor
Motherboard formfactor Micro-ATX
Motherboard
Motherboard Chipset AMD B850
CPU
CPU Manufacturer AMD
CPU Socket AM5
Colour
Primary Colour Black
Memory
Max. Memory 256 GB
Memory Type DDR5
Memory Form Factor DIMM
Memory slots 4x
Fan Header
4 Pin Fan Connectors 5
Internal Ports
CPU Power Supply 1x 4-Pin + 1x 8-Pin
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UK Delivery
Order by 5:30pm (Monday to Friday) for 2 Working Day Delivery*
*Exclusions and product restrictions apply
Full Delivery Information

International Delivery
Delivery to over 40 countries
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Returns
30 Day return and refund period
Full Returns Information

Extended Christmas Returns
All orders placed between Friday 1st November and Friday 20th December qualify for extended Christmas returns. Terms & conditions apply.
Extended Christmas Returns Information

£127.99 (incl. VAT)
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