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ASRock B850M Pro RS
Micro ATX Motherboard Socket AM5 AMD B850 - 4x DDR5 - M.2 PCIe 5.0 - USB 3.1 - PCI-Express 5.0 16x - LAN 2.5 GbE
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ASRock B850M Pro RS: High-Performance, Compact AM5 Motherboard
The ASRock B850M Pro RS motherboard is an ideal foundation for building a high-performance, compact AMD Ryzen system. Compatible with AMD Ryzen 7000, 8000 and 9000 series processors on the AM5 socket, it combines advanced connectivity, ultra-fast storage and support for high-frequency DDR5 memory.
Its Micro-ATX form factor makes it easy to fit into a wide range of cases while retaining modern features designed for content creation and intensive multitasking. With 2.5 GbE network connectivity, enjoy a fast, stable connection for all your digital activities.
Highlights of the ASRock B850M Pro RS
- AMD B850 chipset compatible with AMD Ryzen 7000, 8000 and 9000 series processors on the AM5 socket
- Micro-ATX form factor ideal for building a compact, high-performance system
- DDR5 memory support up to 256 GB with speeds of up to 8000 MHz (OC)
- 1 PCIe 5.0 x16 slot for next-generation graphics cards
- Dragon 2.5 GbE LAN for fast transfers and a stable connection for online gaming and streaming
- Ultra-fast storage with M.2 PCIe Gen5 and Gen4 slots for high-performance NVMe SSDs
- HDMI and DisplayPort video outputs
- ASRock Polychrome RGB lighting with RGB and ARGB headers compatible with a wide range of lighting accessories
Play at your best
The high clock speeds of AMD Ryzen processors are a real advantage in games. Choose the right components and build a powerful Gaming PC with no lag, ready when you need it. Get ahead of your opponents and reach new heights with AMD Ryzen 9000/8000/7000 processors and AMD AM5 motherboards.
AMD Ryzen 9000 processors deliver high performance across the board. They’ll help you create faster, reach your goals sooner and save time every step of the way. Whether you’re rendering 3D or exporting large video files, design, deliver and get the job done with PCIe 5.0 speed and storage, numerous processing threads and dedicated video accelerators.
Select your criteria
General information |
Product name |
ASRock B850M Pro RS |
Brand |
ASRock | |
Model |
B850M PRO RS | |
Processor |
Processor support |
AMD AM5 |
Number of CPUs supported |
1 | |
Chipset |
Chipset |
AMD B850 |
Memory |
Memory format |
4 X DIMM 288 pins (DDR5) |
Memory Frequency(ies) |
DDR5 7600 MHz | |
| DDR5 8000 MHz | ||
| DDR5 7800 MHz | ||
| DDR5 7200 MHz | ||
| DDR5 7000 MHz | ||
| DDR5 6800 MHz | ||
| DDR5 4400 MHz | ||
| DDR5 4800 MHz | ||
| DDR5 5200 MHz | ||
| DDR5 5600 MHz | ||
| DDR5 6000 MHz | ||
| DDR5 6200 MHz | ||
| DDR5 6400 MHz | ||
| DDR5 6600 MHz | ||
Memory type |
DDR5 | |
Memory technology |
Dual Channel | |
Maximum RAM capacity per slot |
64 GB | |
Maximum RAM capacity |
256 GB | |
Graphic |
Integrated graphics controller |
No |
Compatible graphics core integrated in the CPU |
Yes | |
Expansion slots |
Graphic connector(s) |
1 X PCI Express 5.0 x16 |
Number and Type of slots |
1 X PCI Express 4.0 x4 | |
Audio |
Audio Chipset |
Realtek ALC897 |
Number of audio channels |
8 | |
Network |
Number of ports/Ethernet controler |
1 X Realtek RTL8125BG |
Network standard(s) |
2.5 Gbps Gigabit Ethernet (2.5 GbE) | |
Wi-Fi |
No | |
Storage |
RAID supported |
Yes |
Hard drives connectors |
4 X Serial ATA 6Gb/s (SATA Revision 3) | |
| 1 X M.2 - PCI-E 5.0 x4 | ||
| 2 X M.2 - PCI-E 4.0 x4 | ||
Number of M.2 slot(s) |
3 | |
Supported RAID Modes |
10 | |
| 1 | ||
| 0 | ||
Connectivity |
Motherboard connector location |
Standard connectors (on the motherboard) |
Rear panel connectors |
1 X USB 3.1 Type C | |
| 1 X USB 3.1 | ||
| 1 X DisplayPort Female | ||
| 1 X HDMI Female | ||
| 2 X USB 3.0 | ||
| 4 X USB 2.0 | ||
| 1 X RJ45 Female | ||
| BIOS Flash Update | ||
| 3 X 3.5mm Jack Female Stereo | ||
Additional connectors |
1 X LED RGB connector(s) | |
| 3 X Addressable LED RGB connector(s) | ||
| Front panel audio | ||
| 1 X +12V (Power supply P8) | ||
| 1 X ATX 24 Pin | ||
| 4 X Internal USB 2.0 | ||
| 4 X Internal USB 3.0 | ||
| 1 X Internal USB 3.0 Type C | ||
| 1 X +12V (Power supply P4) | ||
Physical characteristics |
Motherboard format |
Micro ATX |
Length |
244 mm | |
Width |
244 mm | |
Colour |
Black | |
Equipment |
Advanced overclocking features |
Yes |
Use |
Multimedia | |
| Office | ||
LED |
Yes | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
Harmonised legal guarantee notice
|
|
Safety Information |
Responsible person |
ASRock EUROPE B.V. |
Postal address |
Bijsterhuizen 11-11 6546 AR Nijmegen The Netherlands | |
Electronic Address |
sales@asrock.nl |
See all ASRock products
Product referenced on 19 Oct 2026
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