The ASRock B850M Pro RS is a feature-rich mATX motherboard for AMD AM5 processors, supporting Ryzen 7000-9000 series. It offers DDR5 memory support up to 8000MHz with 256GB capacity across 4 slots. Features include PCIe 5.0 x16 slot, three M.2 slots (1x PCIe 5.0, 2x PCIe 4.0), and 2.5Gbps LAN. The board boasts an 8+2+1 power phase design, USB 3.2 Gen2 connectivity, and comprehensive cooling with 5 fan headers.
Specifications
Price
RM854.00
4 products
Specifications
Basic information
Brand
ASRock
Model
B850M Pro RS
Socket type
AM5
Supported processors
AMD Ryzen 9000, AMD Ryzen 8000, AMD Ryzen 7000
Chipset
AMD B850
Form factor
mATX
Memory
Max memory capacity
256
Max memory capacity unit
GB
Memory channels
Dual
Memory slots
4
Memory speed
8000
Memory speed unit
MHz
Memory type
DDR5
Xmp support
Yes
Expansion slots
M2 slots
1 PCIe Gen5x4 PCIe 5.0 / 2 PCIe Gen4x4 PCIe 4.0
Pcie slots
PCIe 5.0 x16 1 PCIe 5.0 / PCIe 4.0 x4 1 PCIe 4.0
Warranty support
Warranty period
36
Warranty period unit
months
Storage
Sata ports
4
Sata speed
6Gb/s
Features
Bios features
AMD EXPO, XMP
Debug features
BIOS Flashback
Rgb headers
4
Rgb support
Yes
Connectivity
Networking
Ethernet
2.5Gbps
Usb ports
USB-C 3.2 Gen2 1 10Gbps / USB 3.2 Gen2 1 10Gbps / USB 3.2 Gen1 2 5Gbps / USB 2.0 4 480Mbps
Video outputs
Hdmi
1
Displayport
1
Physical specs
Length
24.4
Length unit
cm
Width
24.4
Width unit
cm
Cooling
Fan headers
5
Heatsinks
M.2
Pump headers
1
Audio
Channels
7.1
Codec
Realtek ALC897
Features
Nahimic Audio
Power system
Power connectors
ATX 24-pin 1 / ATX 4+8-pin 1
Power phases
8+2+1
Vrm solution
Dr.MOS
