ASRock B850 Pro-A

Name: ASRock B850 Pro-A
Brand: ASRock
Price: 141.71 GBP
Availability: InStock

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ASRock B850 Pro-A

+ Wi-Fiwithout Wi-Fi

2025 Pro M.2 cooling no backlight 2.5 Gbps

Towards:home / office

Form Factor:ATX

Socket:AM5

Chipset:AMD B850

BIOS:Ami

RAM slots:DDR5 4 sl

RAM form factor:DIMM

RAM clock:8000 MHz

Sound (channels):7.1

Connectors:HDMI, M.2

Power connector:24-pin

Processor power:8+8-pin

All specifications

Specifications B850 Pro-A

Main
Features	for home/office
Socket	AM5
Form factor	ATX
Power phases	17 / 14+2+1 /
VRM heatsink
Size (HxW)	305x244 mm


Chipset
Chipset	AMD B850
BIOS	Ami
UEFI BIOS


RAM
DDR5	4 slot(s)
Memory module	DIMM
Operation mode	2 channel
Max. clock frequency	8000 MHz
Max. memory	256 GB
XMP
EXPO support


Drive interface
SATA 3 (6Gbps)	4
M.2 connector	4
M.2	4xPCIe 4x
M.2 version	1x5.0, 2x4.0, 1x3.0
M.2 SSD cooling
Integrated RAID controller


Expansion slots
PCIe 16x slots	2 pcs
PCIe modes	16x/4x
PCIe support	5.0
Steel PCIe connectors

Internal connections
TPM connector
USB-A 2.0	2 pcs
USB-A 5Gbps	1 pcs
USB-C 20Gbps	1 pcs
ARGB LED strip	3
RGB LED strip	1


Video outputs
HDMI output
HDMI version	v2.1


Integrated audio
Audiochip	Realtek ALC897
Sound (channels)	7.1


Network interfaces
LAN (RJ-45)	2.5 Gbps
LAN ports	1
LAN controller	Dragon RTL8125BG


External connections
USB-A 2.0	6 pcs
USB-A 5Gbps	4 pcs
USB-C 5Gbps	1 pcs
USB-C 10Gbps	1 pcs
Alternate Mode
BIOS FlashBack


Power connectors
Main power socket	24-pin
CPU power	8+8-pin
Fan power connectors	7
CPU Fan 4-pin	2
CPU/Water Pump Fan 4-pin	1
Chassis/Water Pump Fan 4-pin	4


Official Website	asrock.com
Added to E-Catalog	January 2025

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog ASRock 2026 - new arrivals, bestsellers, and the most relevant models ASRock.

How to choose a motherboard?Motherboard is the main part of any computer. Here's how to choose the right one for work, play and entertainment

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	Asrock B850 PRO-A AMD B850 DDR5 ATX Socket AM5 Motherboard Dr. MOS Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications... more! Compared to traditional discrete MOSFETs, it intelligently delivers higher current for each phase, thus providing improved thermal result and superior performance. Hi-Density Power Connector CPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors, providing a more stable system and reducing the risk of fire during heavy overclocking. 8 Layer PCB The 8 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance! DDR5 XMP & EXPO Support Derived from the built for stable and reliable designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel XMP/AMD EXPO capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all. PCIe Gen5 Blazing M.2 The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs. Hyper M.2 Gen4 x4 Supports PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience. Aluminum Heatsink The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly. PWM/DC Fan Support ASRock fan headers automatically detect whether fans are running in DC or PWM mode, allowing users to fine-tune the fan curve and achieve quieter operation. Fan-Tastic Tuning ASRock A-Tuning Fan-Tastic Tuning function enables users to auto-detect the minimum duty of each fan with a single click. Users can also easily adjust the fan curve via the visualized UI interface, meeting their system's cooling performance and noise reduction requirements. Dragon 2.5 Gb/s LAN The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, youll enjoy the faster and uncompromised connectivity experience for Box.co.uk Delivery: to United Kingdom Report	£128.98 Buy in shop

	Asrock B850 Pro-A AMD B850 Socket AM5 ATX Pro-A series is designed for enhanced stability durability and efficiency it offers reliable performance... moreuser-friendly features and a streamlined aesthetic making it ideal for daily computing needs. - Supports AMD Socket AM5 Ryzen™ 9000 8000 and 7000 Series Processors - 14+2+1 Phase Power Design 80A Dr.MOS for VCore+SOC+MISC - 4 x DDR5 DIMMs - Supports Dual Channel up to 8000+ (OC) - 1 PCIe 5.0 x16 1 PCIe 4.0 x16 1 M.2 Key E for WiFi - Graphics Output Options: 1 HDMI 1 USB Type-C (DP-alt) - Realtek ALC897 7.1 CH HD Audio Codec - 1 Blazing M.2 (PCIe Gen5x4) - 2 Hyper M.2 (PCIe Gen4x4) - 1 Ultra M.2 (PCIe Gen3x4) - 4 SATA3 - 1 USB 3.2 Gen2x2 Type-C (Front) - 1 USB 3.2 Gen2 Type-C (Rear) - 1 USB 3.2 Gen1 Type-C (Rear) - 6 USB 3.2 Gen1 (4 Rear 2 Front) - 9 USB 2.0 (6 Rear 3 Front) - Realtek 2.5G LAN - Supports BIOS Flashback Performance - 14+2+1 Power Phase Design - Featuring sturdy components and completely smooth power delivery to the CPU. Plus it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well. - Dr. MOS - Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs it intelligently delivers higher current for each phase thus providing improved thermal result and superior performance. - Hi-Density Power Connector - CPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors providing a more stable system and reducing the risk of fire during heavy overclocking. - 8 Layer PCB - The 8 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus it's able to support the latest memory modules with most extreme memory performance! - DDR5 XMP & EXPO Support - Derived from the “built for stable and reliable” designing concept ASRock does not compromise on any details. This motherboard is built with high quality materials enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable satisfying and absolutely no sweat at all. High Speed M.2 Solution - PCIe Gen5 Blazing M.2 - The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation with a breathtaking 128Gb/s transfer speed it is ready to unleash the full potential of future ultrafast SSDs. - Hyper M.2 Gen4 Quzo.co.uk Delivery: to United Kingdom Report	£131.00 Buy in shop

	Asrock 90-MXBQM0-A0UAYZ Unleash Next-Gen Performance with the ASRock B850 PRO-A MotherboardExperience cutting-edge computing power and seamless multi... moretasking with the ASRock B850 PRO-A motherboard, engineered to maximize the potential of AMD Ryzen 7000 series processors. This ATX form factor motherboard boasts an impressive feature set designed for gamers, content creators, and PC enthusiasts alike. Future-Proof Your Build with DDR5 and PCIe 5.0The B850 PRO-A embraces the latest technology, supporting blazing-fast DDR5 memory for lightning-fast data transfer speeds and enhanced system responsiveness. Unlock the full potential of your graphics card with PCIe 5.0, delivering double the bandwidth of previous generations for unparalleled gaming and content creation performance.Unrivaled Storage and Connectivity OptionsEnjoy rapid data access and boot times with support for M.2 SATA SSDs, offering significantly faster performance compared to traditional SATA drives. The B850 PRO-A also provides ample storage connectivity with multiple SATA ports, allowing you to connect all your essential drives and peripherals.Built for Stability and ReliabilityASRock´s commitment to quality shines through in the B850 PRO-A. High-quality components and a robust power design ensure stable operation even under demanding workloads. Enjoy peace of mind knowing your system is built to last.Key Features:* CPU Support: AMD Socket AM5 for Ryzen 7000 Series Processors (>7600)* Chipset: AMD B850* Memory: Dual Channel DDR5 * Expansion Slots: 1 x PCIe 5.0 x16 Slot, 1 x PCIe 4.0 x16 Slot (x4 mode), 1 x PCIe 3.0 x1 Slot* Storage: 1 x Hyper M.2 Socket (PCIe 4.0 x4 & SATA3), 1 x Hyper M.2 Socket (PCIe 4.0 x4), 4 x SATA3 6.0 Gb/s Connectors* Audio: Realtek ALC897 7.1 CH HD Audio Codec* LAN: Realtek RTL8125BG 2.5 Gigabit LAN* Form Factor: ATX* Connectivity: No built-in Wi-Fi or BluetoothUpgrade your PC building experience with the ASRock B850 PRO-A motherboard – the perfect foundation for your next high-performance system. Tradeinn.com Delivery: in United Kingdom Report	£132.49 Buy in shop

	Asrock B850 Pro-A AMD B850 Socket AM5 ATX Asrock B850 Pro-A AMD B850 Socket AM5 ATX Optimized for stability. durability. and efficiency. It combines reliable performan... morece. user-friendly features and streamlined style for daily computing tasks.PerformanceOptimized VRM DesignVRM Design14+2+1 Power Phase DesignFeaturing sturdy components and completely smooth power delivery to the CPU. Plus. it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.Dr. MOSDr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs. it intelligently delivers higher current for each phase. thus providing improved thermal result and superior performance.Power ConnectorHi-Density Power ConnectorCPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors. providing a more stable system and reducing the risk of fire during heavy overclocking.8 Layer PCBThe 8 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus. it's able to support the latest memory modules with most extreme memory performance!DDR5 XMP & EXPO SupportDerived from the “built for stable and reliable” designing concept. ASRock does not compromise on any details. This motherboard is built with high quality materials. enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable. satisfying and absolutely no sweat at all.High Speed M.2 SolutionPCIe Gen5 Blazing M.2The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation. with a breathtaking 128Gb/s transfer speed. it is ready to unleash the full potential of future ultrafast SSDs.Hyper M.2 Gen4 x4Supports PCI Express 4.0 M.2 SSDs. it is capable of perform twice the speed compared to previous 3rd generation. giving a lightning fast data transferring experience.CoolingIntelligent Cooling DesignAluminum HeatsinkThe first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation. especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance. hence ensure system stability and durability effortlessly.PWM/DC Fan SupportASRock fan headers automatically detect whether fans are running in DC or PWM mode. allowing users to fine-tune the fan curve and achieve quieter operation.Fan-Tastic TuningASRock A-Tuning Fan-Tastic Tuning function enables users to auto-detect the minimum duty of each fan with a single click. Users can also easily adjust the fan curve via the Pcnova.co.uk Delivery: in United Kingdom Report	£133.80 Buy in shop

	Asrock B850 Pro-A AMD B850 Socket AM5 ATX Asrock B850 Pro-A AMD B850 Socket AM5 ATX LaptopHub.uk Delivery: in United Kingdom Report	£133.80 Buy in shop