£139.99

Stock Available: 0
  • AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
  • PC micro ATX AMD B850 7.1 channels
  • DDR5-SDRAM 2 DIMM Maximum internal memory: 128 GB
  • HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 6
  • BIOS type: UEFI AMI 256 Mbit
  • 2.5 Gigabit Ethernet

B850M-K
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Processor
Supported processor sockets Socket AM5
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor socket Socket AM5
Processor manufacturer AMD
Memory
Unbuffered memory Yes
Maximum internal memory 128 GB
ECC сompatibility ECC & Non-ECC
Memory channels Dual-channel
Memory slots type DIMM
Number of memory slots 2
Supported memory types DDR5-SDRAM
Storage controllers
RAID levels 0, 1, 5, 10
RAID support Yes
Number of storage drives supported 6
Number of HDDs supported 4
Supported storage drive interfaces M.2, SATA III
Supported storage drive types HDD & SSD
Graphics
Parallel processing technology support Not supported
Internal I/O
RGB LED pin header Yes
Number of COM connectors 1
TPM connector Yes
12V power connector Yes
EPS power connector (8-pin) Yes
Number of chassis fan connectors 3
Number of CPU fan connectors 1
CPU fan connector Yes
ATX Power connector (24-pin) Yes
Front panel connector Yes
Front panel audio connector Yes
S/PDIF out connector Yes
Number of SATA III connectors 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
USB 2.0 connectors 2
Rear panel I/O ports
Microphone in Yes
Line-in Yes
DisplayPorts quantity 1
HDMI ports quantity 1
PS/2 ports quantity 1
Ethernet LAN (RJ-45) ports 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 2.0 ports quantity 4
Network
Wi-Fi No
Ethernet interface type 2.5 Gigabit Ethernet
Ethernet LAN Yes
Features
Windows operating systems supported Windows 10 x64, Windows 11
Cooling type Passive
Product colour Black
Audio output channels 7.1 channels
Motherboard chipset AMD B850
Motherboard chipset family AMD
Motherboard form factor micro ATX
Component for PC
Expansion slots
2nd M.2 highest PCI Express generation 4.0
2nd M.2 largest key size 2280
1st M.2 highest PCI Express generation 5.0
1st M.2 largest key size 2280
Number of M.2 (M) slots 2
PCI Express x16 (Gen 5.x) slots 1
PCI Express x16 (Gen 4.x) slots 1
BIOS
BIOS memory size 256 Mbit
BIOS type UEFI AMI
Packaging data
Package weight 1.07 kg
Package height 297 mm
Package depth 288 mm
Package width 564 mm
Weight & dimensions
Depth 221 mm
Width 244 mm
Packaging content
Screws included Yes
Cables included SATA