

£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
49 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 |
Marielle (verified owner) –
Product works, manual wasn’t very clear
Marco (verified owner) –
Worked after a few restarts
Rahsaan (verified owner) –
Great customer support and fast dispatch
Margarita (verified owner) –
Performance is inconsistent under load
Malcolm (verified owner) –
Very efficient and stays cool
Lenora (verified owner) –
Speed boost was immediately noticeable
Makenzie (verified owner) –
Support was slow to respond
Lilla (verified owner) –
Installation was tricky for beginners
Opal (verified owner) –
Not bad, but there are better options for the price
Marilou (verified owner) –
Exactly what I needed for my gaming rig
Margaux (verified owner) –
No issues at all, plug and play with great performance
Malachi (verified owner) –
Good value but no included cables
Matilda (verified owner) –
Reliable, powerful, and works as expected
Mariana (verified owner) –
This component exceeded my expectations
Oleta (verified owner) –
Super fast delivery and the product works perfectly
Novella (verified owner) –
Really impressed with the durability
Noemie (verified owner) –
Installation was simple and quick
Linnea (verified owner) –
No major issues, just wish support was quicker
Lee (verified owner) –
A must-have upgrade for any serious gamer
Osvaldo (verified owner) –
Exactly as described and works great
Luis (verified owner) –
Perfect for gaming and multitasking
Meggie (verified owner) –
Amazing value for money, my PC runs smoother than ever
Magnus (verified owner) –
Does the job well, no major complaints
Rafaela (verified owner) –
Highly recommend for any PC build
Noble (verified owner) –
Very satisfied, just a small scratch on arrival
Maritza (verified owner) –
Came with everything needed to get started
Miles (verified owner) –
Would definitely buy again from this store
May (verified owner) –
Very stable even under heavy load
Napoleon (verified owner) –
Fantastic price for this level of performance
Myles (verified owner) –
Happy with the product, minor noise under load
Leon (verified owner) –
Solid quality and very quiet in operation
Max (verified owner) –
Zero compatibility issues, great experience
Michele (verified owner) –
No major issues, but lacks polish
Litzy (verified owner) –
Performance boost was noticeable
Melyssa (verified owner) –
Happy overall, just had to replace a missing screw
Porter (verified owner) –
Improved my system but not as much as I hoped
Mertie (verified owner) –
Decent component but came in basic packaging
Price (verified owner) –
Speed boost was immediately noticeable
Patrick (verified owner) –
Upgraded my system and noticed the difference instantly
Melyna (verified owner) –
Works flawlessly with my setup
Murphy (verified owner) –
Not perfect but definitely worth the price
Laurence (verified owner) –
Exactly what I needed for my gaming rig
Marques (verified owner) –
No issues at all, plug and play with great performance
Paolo (verified owner) –
Could be better for the money
Marley (verified owner) –
Decent thermal performance, not the best
Nicola (verified owner) –
Slight improvement over my old part
Lamar (verified owner) –
Super fast delivery and the product works perfectly
Marisol (verified owner) –
Not bad, but there are better options for the price
Lesley (verified owner) –
Installation was simple and quick