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ASRock - Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
ASRock - Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
ASRock - Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
ASRock - Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
ASRock - Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
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ASRock - Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
- Asrock B850 Pro-A (Socket AM5) DDR5 ATX Motherboard
asrock

Asrock B850 Pro-A (Socket AM5) DDR5 ATX 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, 4x M.2 Slot, 2.5GB LAN, ATX
£157.00 (incl. VAT)
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fiber_manual_record Pre order
SKU MOT-ASR-04003
EAN 4711581490185
MPN 90-MXBQM-A0UAYZ
MANUFACTURER ASRock
Specification Details
Memory
  • 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
* Please refer to Memory Support List on ASRock's website for more information. (ASRock)
Expansion Slot CPU:
  • 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
  • 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*
  • 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
  • * PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
  • * If M2_3 is occupied, PCIE2 will be disabled.
  • * Supports NVMe SSD as boot disks
  • 15μ Gold Contact in VGA PCIe Slot (PCIE1)
Graphics 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 USB 3.2 Gen1 Type-C, supports DP 1.4 HBR3 and max. resolution up to 4K 60Hz (DP-alt mode supports DP1.4a)
Audio
  • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
LAN
  • 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
USB CPU:
  • 1 x USB 3.2 Gen2 Type-C (Rear)
  • 1 x USB 3.2 Gen1 Type-C (Rear)
  • 2 x USB 3.2 Gen1 Type-A (Rear (USB32_1 and USB32_2))
Chipset:
  • 1 x USB 3.2 Gen2x2 Type-C (Front)
  • 4 x USB 3.2 Gen1 Type-A (2 Rear (USB32_3 and USB32_4), 2 Front)
  • 9 x USB 2.0 (6 Rear, 3 Front)
* All USB ports support ESD Protection
Rear Panel I/O
  • 2 x Antenna Mounting Points
  • 1 x HDMI Port
  • 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
  • 1 x USB 3.2 Gen1 Type-C Port (DP-alt mode supports DP1.4a)
  • 4 x USB 3.2 Gen1 Type-A Ports
  • 6 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 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_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
  • 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
  • 1 x Ultra M.2 Socket (M2_4, Key M), supports type 2280 PCIe Gen3x4 (32 Gb/s) mode*
  • 2 x SATA3 6.0 Gb/s Connectors
ASMedia ASM1061:
  • 2 x SATA3 6.0 Gb/s Connectors
  • * Supports NVMe SSD as boot disks
  • * M2_1 is the first priority for M.2 installation.
  • * M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
  • * M2_2 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.
  • * If M2_3 is occupied, PCIE2 will be disabled.
  • * If SATA3_1 or SATA3_2 is occupied, M2_4 will downgrade to Gen3x2 mode.
RAID
  • Supports RAID 0 and RAID 1 for SATA storage devices
  • Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices
Connector
  • 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)***
  • 4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
  • 1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
  • 1 x 24 pin ATX Power Connector
  • 2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)
  • 1 x Front Panel Audio Connector
  • 2 x USB 2.0 Headers (Support 3 USB 2.0 ports)
  • 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
  • 1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
  • * Supports in total up to 12V/3A, 36W LED Strip
  • ** Support in total up to 5V/3A, 15W LED Strip
  • *** CPU_FAN1 supports the fan power up to 1A (12W).
  • *** CPU_FAN2, CHA_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W)
  • *** CPU_FAN2, CHA_FAN1~4 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use
    • Wi-Fi & LAN
    LAN Yes
    LAN Ports 1x 2.5 Gbit/s
    Wi-Fi / Bluetooth No
    Lighting
    Lighting Yes
    Form Factor
    Motherboard formfactor 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 7
    Internal Ports
    CPU Power Supply 2x 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
    Full Delivery Information

    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

    £157.00 (incl. VAT)
    fiber_manual_record Pre order

    Related categories

    B850 Motherboards AM5 Socket Motherboards AMD Motherboards Motherboards PC Components
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