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Asus PRIME B850M-K (90MB1LV0-M0EAY0)

Photos - Motherboard Asus PRIME B850M-K
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Asus PRIME B850M-K
Towards:home / office
Form Factor:micro-ATX
Socket:AM5
Chipset:AMD B850
BIOS:Ami
RAM slots:DDR5 2 sl
RAM form factor:DIMM
RAM clock:9600 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Additional connectors:DisplayPort
Power connector:24-pin
Processor power:8-pin
All specifications
Specifications PRIME B850M-K
Main
Featuresfor home/office
SocketAM5
Form factormicro-ATX
Power phases11 / 8+2+1 /
Printed circuit board6-layer
VRM heatsink
Size (HxW)244x221 mm
Chipset
ChipsetAMD B850
BIOSAmi
UEFI BIOS
RAM
DDR52 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency9600 MHz
Max. memory128 GB
EXPO support
Drive interface
SATA 3 (6Gbps)4
M.2 connector2
M.22xPCIe 4x
M.2 version1x5.0, 1x4.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
PCIe 16x slots2 pcs
PCIe modes16x/4x
PCIe support5.0
Steel PCIe connectors
Internal connections
USB-A 2.02 pcs
USB-A 5Gbps1 pcs
USB-C 5Gbps1 pcs
ARGB LED strip3
Video outputs
HDMI output
HDMI versionv2.1
DisplayPort
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek
Sound (channels)7.1
Network interfaces
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerRealtek
External connections
USB-A 2.04 pcs
USB-A 5Gbps2 pcs
USB-A 10Gbps2 pcs
PS/21
BIOS FlashBack
Power connectors
Main power socket24-pin
CPU power8-pin
Fan power connectors4
CPU Fan 4-pin1
Chassis/Water Pump Fan 4-pin3
Official Websiteasus.com
Added to E-CatalogMay 2025
P/N
90MB1LV0-M0EAY0

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.
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ASUS PRIME B850M-K AMD B850 mATX motherboard, AM5, PCIe 5.0 Ready, two M.2 slots, Realtek 2.5Gb Ethernet, DisplayPort, HDMI,

Powerful Power Design: 8+2+1 power modules, 6-layer PCB design for system stability, Digi+ VRM digital power control with rea... morel-time voltage control Unlocking DDR5 Full-Blooded Performance: Up to DDR5 8400+MT/s (OC), three M.2 slots (up to 128 Gbps) Sophisticated Thermal Design: VRM heatsinks and thermal pads, 4-Pin PWM/DC fan, M.2 heatsink, intelligent protection PWM/DC fan, M.2 heatsink, Smart Protection Extreme Connectivity: PCIe 5.0 slot support and a range of USB ports including Type-C conne
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ASUS PRIME B850M-K micro ATX motherboard - AMD B850 Socket AM5

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ASUS PRIME B850M-K AMD B850 mATX motherboard, AM5, PCIe 5.0 Ready, two M.2 slots, Realtek 2.5Gb Ethernet, DisplayPort, HDMI,

Powerful Power Design: 8+2+1 power modules, 6-layer PCB design for system stability, Digi+ VRM digital power control with rea... morel-time voltage control Unlocking DDR5 Full-Blooded Performance: Up to DDR5 8400+MT/s (OC), three M.2 slots (up to 128 Gbps) Sophisticated Thermal Design: VRM heatsinks and thermal pads, 4-Pin PWM/DC fan, M.2 heatsink, intelligent protection PWM/DC fan, M.2 heatsink, Smart Protection Extreme Connectivity: PCIe 5.0 slot support and a range of USB ports including Type-C conne
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ASUS PRIME B850M-K Motherboard & AMD Ryzen 5 9600X CPU Combo, AMD B850 mATX motherboard, AM5, PCIe 5.0 Ready, two M.2 slots,

Motherboard & CPU Combo Motherboard:PRIME B850M-K Powerful Power Design: 8+2+1 power modules, 6-layer PCB design for system s... moretability, Digi+ VRM digital power control with real-time voltage control Unlocking DDR5 Full-Blooded Performance: Up to DDR5 8400+MT/s (OC), three M.2 slots (up to 128 Gbps) Sophisticated Thermal Design: VRM heatsinks and thermal pads, 4-Pin PWM/DC fan, M.2 heatsink, intelligent protection PWM/DC fan, M.2 heatsink, Smart Protection Extreme Connectivity: PCIe 5.0 slot suppo
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ASUS PRIME B850M-K Motherboard & AMD Ryzen 7 9700X CPU Combo, AMD B850 mATX motherboard, AM5, PCIe 5.0 Ready, two M.2 slots,

Motherboard & CPU Combo Motherboard:PRIME B850M-K Powerful Power Design: 8+2+1 power modules, 6-layer PCB design for system s... moretability, Digi+ VRM digital power control with real-time voltage control Unlocking DDR5 Full-Blooded Performance: Up to DDR5 8400+MT/s (OC), three M.2 slots (up to 128 Gbps) Sophisticated Thermal Design: VRM heatsinks and thermal pads, 4-Pin PWM/DC fan, M.2 heatsink, intelligent protection PWM/DC fan, M.2 heatsink, Smart Protection Extreme Connectivity: PCIe 5.0 slot suppo
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Platform for a Limited Budget

The Asus PRIME B850M-K motherboard serves as an affordable foundation for building a mid-range gaming PC or other high-performance systems. The platform utilizes AMD B850 logic, which effectively unleashes the potential of modern processors, including the Ryzen AI series with current intelligent features. The board's concept with an 11-phase power system and full support for PCIe 5.0 is geared towards comfortable Full HD gaming with high detail, rich visual effects, and popular real-time image enhancement technologies (DLSS 4 / FSR 4, ray tracing, frame generation, upscaling). However, the choice of components is limited to a mid-performance level. Overall, the model offers a successful balance of price and capabilities, equipped with basic heatsinks for passive cooling and well-suited for combining work tasks and entertainment.

User-Friendly Interface

The manufacturer has implemented software and hardware tools that simplify the assembly and system setup process, making it manageable even for inexperienced users. Firmware updates are performed with a single BIOS FlashBack button, and installing components does not require tools. Connectors and slots are reinforced to protect against deformation during temperature changes and mechanical stress during assembly. System parameter optimization is achieved without complex manual settings thanks to intelligent technologies EXPO, AEMP, and DriverHub. The package is complemented by proprietary tools Fan Xpert 2+ and ASUS AI Advisor.