Login/Register
Help
Images for illustrative purposes
<%=manufacture1 %> Logo FREE Delivery on orders over €250

3 Available to Ship
Order within 0Hrs 41Mins for: Delivery (23 Sep or 24 Sep)

Was €157.29 -6%
€147.81 Incl Vat
Price at 30 Day Low




Wishlist Compare Share

Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

The ASRock B850 Pro-A motherboard combines performance and flexibility for advanced PC builds. Featuring a Socket AM5 design, this motherboard supports Ryzen 7000/8000/9000 Series processors, ensuring compatibility with powerful and efficient CPUs. With four DIMM slots supporting DDR5 RAM speeds of up to 4000 MHz (O.C.), users can expect seamless multitasking and enhanced system responsiveness.

Equipped with multiple M.2 slots, including Hyper M.2 and Blazing M.2 configurations, the B850 Pro-A allows for rapid storage expansion and optimized data transfer rates. Connectivity options include USB 3.2 Gen 2, USB-C 3.2 Gen 1, and LAN capabilities with 2.5 Gigabit Ethernet. The motherboard is designed with DIY-friendly elements, featuring reinforced PCIe slots and an intuitive UEFI BIOS for easy setup and management. The ASRock B850 Pro-A motherboard balances functionality and design, making it a solid choice for any enthusiast or gamer.


Specification Summary

Product Description
ASRock B850 Pro-A - motherboard - ATX - Socket AM5 - AMD B850
Product Type
Motherboard - ATX
Chipset Type
AMD B850
Processor Socket
1 x Socket AM5
Compatible Processors
(supports Ryzen 7000/8000/9000 Series)
Max RAM Size
256 GB
RAM Supported
4 DIMM slots - DDR5, non-ECC, unbuffered
Storage Ports
4 x SATA-600 (RAID), 2 x Hyper M.2, 1 x Blazing M.2, 1 x Ultra M.2
USB / FireWire Ports
1 x USB-C 3.2 Gen 2 + 1 x USB-C 3.2 Gen 1 + 4 x USB 3.2 Gen 1 + 6 x USB 2.0 + (1 x USB-C 3.2 Gen 2x2 + 2 x USB 3.2 Gen 1 + 3 x USB 2.0 via headers)
Audio
HD Audio (8-channel)
LAN
2.5 Gigabit Ethernet

Specifications

EAN / GTIN:
4711581490185
General
Product Type
Motherboard - ATX
Chipset Type
AMD B850
Processor Socket
Socket AM5
Max Processors Qty
1
Compatible Processors
(supports Ryzen 7000/8000/9000 Series)
Supported RAM
Max Size
256 GB
Technology
DDR5
Bus Clock
4000 MHz (O.C.)
Supported RAM Integrity Check
Non-ECC
Registered or Buffered
Unbuffered
Features
Dual channel memory architecture, AMD EXPO technology
Audio
Type
HD Audio (8-channel)
Audio Codec
Realtek ALC897
Compliant Standards
High Definition Audio
LAN
Network Controller
Dragon RTL8125BG
Network Interfaces
2.5 Gigabit Ethernet
Expansion / Connectivity
Expansion Slots
1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 5.0 x16 ¦ 1 x PCIe 4.0 x16 (x4 mode) ¦ 1 x M.2 socket (Key E, for wireless module) ¦ 3 x M.2 socket (2280 M.2 Key M slot) ¦ 1 x M.2 socket (2230/2242/2260/2280/22110 M.2 Key M slot)
Storage Interfaces
SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 ¦ PCIe 5.0 -connectors: 1 x M.2 - RAID 0 / RAID 1 / RAID 10 ¦ PCIe 4.0 -connectors: 2 x M.2 - RAID 0 / RAID 1 / RAID 10 ¦ PCIe 3.0 -connectors: 1 x M.2
Interfaces
2 x aerial ¦ 1 x HDMI ¦ 1 x USB-C 3.2 Gen 2 ¦ 1 x USB-C 3.2 Gen 1 ¦ 4 x USB 3.2 Gen 1 ¦ 6 x USB 2.0 ¦ 1 x LAN (2.5Gigabit Ethernet) ¦ 1 x microphone - mini-jack ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack
Internal Interfaces
1 x USB-C 3.2 Gen 2x2 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 3 x USB 2.0 - header ¦ 1 x audio - header ¦ 1 x SPI - header
Power Connectors
24-pin main power connector, 2 x 8-pin ATX12V connectors
Features
BIOS Type
AMI
BIOS Features
UEFI BIOS
Hardware Features
14+2+1 Phase Power Design, 80A Power Stage, Dr.MOS MOSFET, BIOS FlashBack button, ASRock Auto Driver Installer, ASRock POST Status Checker (PSC), ASRock EZ Mode, ASRock Full HD UEFI, ASRock Instant Flash, Hi-Density Power Connectors, 8 Layer PCB, aluminium heatsink design, ASRock Polychrome RGB, DIY Friendly Design, reinforced PCIe slots, VRM heatsink design, Enlarged Chipset Heatsink, Surface Mount Technology (SMT)
Miscellaneous
Included Accessories
IO shield, 1 x M.2 screw
Cables Included
2 x Serial ATA cable
Software Included
ASRock A-Tuning, ASRock Dragon 2.5G LAN Software, ASRock Polychrome SYNC
Compliant Standards
FCC, ErP Ready, EuP Ready
Width
30.5 cm
Depth
24.4 cm

Essential Bundles

Options


Reviews

Showcase

Recently viewed items
WCEB850PROA
ASROCK - B850 Pro-A - motherboard - ATX - Socket AM5 - AMD B850
 
Was €157.29 -6%
€147.81
 
WCEB860PROA
ASROCK - B860 Pro-A - motherboard - ATX - LGA1851 Socket - B860
 
Was €137.39 -6%
€129.75
 
WCEB650PRORS
ASROCK - B650 Pro RS - motherboard - ATX - Socket AM5 - AMD B650
 
Was €159.75 -6%
€149.75
 
WCEB850MPROA
ASROCK - B850M Pro-A - motherboard - micro ATX - Socket AM5 - AMD B850
 
Was €127.16 -6%
€119.75