

£141.82 Original price was: £141.82.£133.68Current price is: £133.68.
£141.82 Original price was: £141.82.£133.68Current price is: £133.68.
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Product Description
ASRock B850M PRO RS Next-Gen AM5 Micro ATX Powerhouse

Engineered for Performance-Driven Builds
The ASRock B850M PRO RS stands at the intersection of power and reliability, built to handle the latest AMD Ryzen 9000, 8000, and 7000 series processors on the AM5 platform. This Micro ATX motherboard boasts a premium 8+2+1 Dr.MOS power phase design, ensuring clean and efficient power delivery for gamers and content creators. With support for blazing-fast DDR5 memory up to 8000+ MHz (OC), dual PCIe expansion slots including PCIe 5.0 x16, and multiple M.2 slots including one Gen5 Blazing M.2, it's ready to handle any next-gen workload with ease.
Advanced Cooling and DIY Features
Cooling and customization are at the core of the B850M PRO RS. It features a robust aluminum heatsink for optimal thermal regulation, intelligent fan headers with DC/PWM auto-sensing, and ASRock's Fan-Tastic Tuning for seamless control. A DIY-friendly layout includes M.2 bottom heatsinks, BIOS Flashback, and a pre-installed I/O shield for an effortless build experience. Designed to run cool and quiet, it delivers long-term durability and efficient operation even under extended load.

Next-Level Connectivity and Immersive Audio
With Realtek 2.5G LAN, USB 3.2 Gen2 ports (including Type-A and Type-C), and HDMI + DisplayPort dual graphics output, the B850M PRO RS is equipped for today's most demanding connectivity needs. It also features Nahimic Audio for studio-grade sound and noise-free voice communication across all devices. Polychrome RGB lighting and SignalRGB compatibility add a touch of style to your rig, letting you personalize your build like never before.

Specification | Details |
---|---|
Motherboard Type | Desktop |
Form Factor | Micro ATX |
Socket | AMD AM5 |
Chipset | AMD B850 |
DDR Type | DDR5 |
RAM Slots | 4 x DIMM |
Max RAM Speed | Up to 8000+ MHz (OC) |
Max RAM Capacity | 256GB |
Graphics Output | 1 x HDMI, 1 x Display Port |
Expansion Slots | 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4 |
Storage Options | 3 x M.2, 4 x SATA III |
LAN | 2.5G LAN |
Audio | 7.1 CH HD Audio (Realtek ALC897) |
Rear USB Ports | 1 x USB 10Gbps Type-C, 1 x USB 10Gbps Type-A, 2 x USB 5Gbps, 4 x USB 2.0 |
Front USB Ports | 1 x USB 5Gbps Type-C, 4 x USB 5Gbps Type-A, 4 x USB 2.0 |
I/O Ports | HDMI, Display Port, USB-C, USB-A, LAN, BIOS Flashback |
Internal Connectors | 24-pin ATX, 8+4-pin CPU, RGB headers, Fan headers |
Accessories | 2 x SATA Cables, 1 x M.2 Screw |
Warranty | 3 Year Replacement Warranty |
Other Options
Customer Reviews
42 reviews for Asrock B850M PRO RS, AMD B850, AM5, Micro ATX, 4 DDR5, HDMI, DP, 2.5G LAN, RGB, 3x M.2
Clear filtersRecently viewed
- Form Factor: Micro ATX
- Socket: AMD AM5
- Chipset: AMD B850
- DDR Type: DDR5
ASRock B850M PRO RS Next-Gen AM5 Micro ATX Powerhouse

Engineered for Performance-Driven Builds
The ASRock B850M PRO RS stands at the intersection of power and reliability, built to handle the latest AMD Ryzen 9000, 8000, and 7000 series processors on the AM5 platform. This Micro ATX motherboard boasts a premium 8+2+1 Dr.MOS power phase design, ensuring clean and efficient power delivery for gamers and content creators. With support for blazing-fast DDR5 memory up to 8000+ MHz (OC), dual PCIe expansion slots including PCIe 5.0 x16, and multiple M.2 slots including one Gen5 Blazing M.2, it's ready to handle any next-gen workload with ease.
Advanced Cooling and DIY Features
Cooling and customization are at the core of the B850M PRO RS. It features a robust aluminum heatsink for optimal thermal regulation, intelligent fan headers with DC/PWM auto-sensing, and ASRock's Fan-Tastic Tuning for seamless control. A DIY-friendly layout includes M.2 bottom heatsinks, BIOS Flashback, and a pre-installed I/O shield for an effortless build experience. Designed to run cool and quiet, it delivers long-term durability and efficient operation even under extended load.

Next-Level Connectivity and Immersive Audio
With Realtek 2.5G LAN, USB 3.2 Gen2 ports (including Type-A and Type-C), and HDMI + DisplayPort dual graphics output, the B850M PRO RS is equipped for today's most demanding connectivity needs. It also features Nahimic Audio for studio-grade sound and noise-free voice communication across all devices. Polychrome RGB lighting and SignalRGB compatibility add a touch of style to your rig, letting you personalize your build like never before.

Specification | Details |
---|---|
Motherboard Type | Desktop |
Form Factor | Micro ATX |
Socket | AMD AM5 |
Chipset | AMD B850 |
DDR Type | DDR5 |
RAM Slots | 4 x DIMM |
Max RAM Speed | Up to 8000+ MHz (OC) |
Max RAM Capacity | 256GB |
Graphics Output | 1 x HDMI, 1 x Display Port |
Expansion Slots | 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4 |
Storage Options | 3 x M.2, 4 x SATA III |
LAN | 2.5G LAN |
Audio | 7.1 CH HD Audio (Realtek ALC897) |
Rear USB Ports | 1 x USB 10Gbps Type-C, 1 x USB 10Gbps Type-A, 2 x USB 5Gbps, 4 x USB 2.0 |
Front USB Ports | 1 x USB 5Gbps Type-C, 4 x USB 5Gbps Type-A, 4 x USB 2.0 |
I/O Ports | HDMI, Display Port, USB-C, USB-A, LAN, BIOS Flashback |
Internal Connectors | 24-pin ATX, 8+4-pin CPU, RGB headers, Fan headers |
Accessories | 2 x SATA Cables, 1 x M.2 Screw |
Warranty | 3 Year Replacement Warranty |
Obie (verified owner) –
Support was slow to respond
Philip (verified owner) –
Very stable even under heavy load
Myrtice (verified owner) –
Great for gaming, just not future-proof
Milan (verified owner) –
Good choice for mid-range builds
Mariam (verified owner) –
Great customer support and fast dispatch
Orion (verified owner) –
Strong build quality and smooth functionality
Priscilla (verified owner) –
My FPS increased significantly after installation
Nora (verified owner) –
Highly recommend for any PC build
Patience (verified owner) –
Worked as expected, a bit bulky though
Lina (verified owner) –
Fantastic price for this level of performance
Osborne (verified owner) –
Massive improvement from my old component
Noe (verified owner) –
A must-have upgrade for any serious gamer
Lela (verified owner) –
Speed boost was immediately noticeable
Pierre (verified owner) –
Super fast delivery and the product works perfectly
Megane (verified owner) –
Very efficient and stays cool
Norene (verified owner) –
Decent thermal performance, not the best
Leanna (verified owner) –
Fair quality, feels a bit outdated
Mariela (verified owner) –
Good value but no included cables
Manuel (verified owner) –
Very satisfied, just a small scratch on arrival
Niko (verified owner) –
Everything works fine, but delivery could be faster
Nicola (verified owner) –
Came with everything needed to get started
Merle (verified owner) –
This component exceeded my expectations
Neha (verified owner) –
Fair price and great service
Loy (verified owner) –
Performance is inconsistent under load
Paige (verified owner) –
Took a while to arrive, but it works
Lillie (verified owner) –
Runs fine, had to tweak settings a little
Liana (verified owner) –
Exactly as described and works great
Monte (verified owner) –
Installation was simple and quick
Magdalen (verified owner) –
It’s working, but I’ll upgrade soon
Reece (verified owner) –
Reliable, powerful, and works as expected
Miller (verified owner) –
Works great but shipping took a bit longer than expected
Ray (verified owner) –
It’s fine, just not worth the hype
Pascale (verified owner) –
Build quality is impressive, fan a bit loud
Otis (verified owner) –
Could be better for the money
Pedro (verified owner) –
Amazing value for money, my PC runs smoother than ever
Maribel (verified owner) –
Product arrived dusty but functional
Raegan (verified owner) –
Had some issues during installation
Peyton (verified owner) –
Excellent packaging and genuine product
Marina (verified owner) –
Worked after a few restarts
Odie (verified owner) –
Perfect for gaming and multitasking
Noelia (verified owner) –
Good for budget builds, not for high-end use
Murray (verified owner) –
Does the job but runs hotter than expected