Name: ASUS PRIME B850M-K – AM5 DDR5 mATX Motherboard
Brand: Asus
SKU: PRIME B850M-K
Availability: PreOrder

ASUS PRIME B850M-K micro-ATX AM5 motherboard with PCIe 5.0 x16 slot, DDR5-9600+ memory support, dual M.2 slots, 2.5Gb Ethernet and BIOS FlashBack button

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Tags: ASUS , PRIME , B850M-K , Micro-ATX , AMD AM5 , Ryzen 9000/8000/7000 , AMD B850 , DDR5 Memory , 128GB Max , 9600+ MT/s , AMD EXPO , AEMP , PCIe 5.0 x16 , Dual M.2 , PCIe 5.0 x4 , 4x SATA 6Gb/s , RAID 0/1/5/10 , Realtek 2.5GbE , BIOS FlashBack , Q-Design , Aura Sync , 5X Protection III

ASUS PRIME B850M-K Micro-ATX Motherboard – AMD AM5, DDR5-9600+, PCIe 5.0, Dual M.2 Slots & USB-C 5Gbps Front Header, 2.5GbE LAN, BIOS FlashBack & Aura Sync RGB

Stock: Coming Soon
Model: PRIME B850M-K
MPN: 90MB1LV0-M0EAY0

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Shiping Information

Nationwide shipping across Egypt. Fees confirmed by phone before shipping.

Description

Model Name
ASUS PRIME B850M-K

Brand
ASUS

Form Factor
Micro-ATX (24.4 cm × 22.1 cm / 9.6 in × 8.7 in)

Processor & Chipset Specifications

CPU Socket: AMD Socket AM5
CPU Support: AMD Ryzen 9000, 8000, and 7000 Series Desktop Processors
TDP Support: Up to 170W CPU
Chipset: AMD B850

Memory Specifications

Slots: 2 × DIMM DDR5 Slots (Dual-Channel Architecture)
Maximum Capacity: 128 GB
Supported Speeds:
- Up to 9600+ MT/s (OC) with Ryzen 8000 Series
- Up to 8200+ MT/s (OC) with Ryzen 9000 Series
- Up to 8000+ MT/s (OC) with Ryzen 7000 Series
Features: ECC and Non-ECC Un-buffered DIMM support, AMD EXPO, and ASUS Enhanced Memory Profile (AEMP)

Expansion & Storage Specifications

PCIe Slots (CPU):
- 1 × PCIe 5.0 x16 slot (x16 mode, for Ryzen 9000 & 7000 Series)
- 1 × PCIe 4.0 x16 slot (x8/x4 mode, for Ryzen 8000 Series)
PCIe Slots (Chipset): 1 × PCIe 4.0 x16 slot (x4 mode)
M.2 Slots: 2 × M.2 Slots (Key M)
- M.2_1: PCIe 5.0 x4 (with Ryzen 9000/7000) or PCIe 4.0 x4 (with Ryzen 8000), Type 2280
- M.2_2: PCIe 4.0 x4, Type 2242/2260/2280
SATA Ports: 4 × SATA 6Gb/s
RAID Support: AMD RAIDXpert2 Technology (RAID 0/1/5/10 depending on CPU series)

Connectivity & I/O Ports

Rear Panel I/O:
- 2 × USB 10Gbps Type-A
- 2 × USB 5Gbps Type-A
- 4 × USB 2.0 Type-A
- 1 × DisplayPort 1.4 (up to 8K @ 30Hz)
- 1 × HDMI 2.1 (up to 4K @ 60Hz)
- 1 × Realtek 2.5Gb Ethernet (RJ-45)
- 3 × Audio Jacks
- 1 × BIOS FlashBack Button
- 1 × PS/2 Keyboard/Mouse Combo Port
Internal Headers:
- 1 × USB 5Gbps Type-C Front Panel Connector (5V/3A Power Delivery)
- 1 × USB 5Gbps Header (2 ports)
- 2 × USB 2.0 Headers (4 ports)
- 1 × CPU Fan, 3 × Chassis Fan Headers (4-pin)
- 3 × Addressable RGB Gen 2 Headers
- 1 × COM Port Header, 1 × S/PDIF Out Header, 1 × SPI TPM Header

Audio & Networking

Audio Codec: Realtek 7.1 Surround Sound High Definition Audio CODEC (24-Bit/192 kHz)
Audio Features: Audio shielding, premium audio capacitors, dedicated audio PCB layers, jack-detection, and front panel jack-retasking
Wired LAN: Realtek 2.5Gb Ethernet with ASUS LANGuard protection

Special Features & Software

ASUS 5X Protection III: DIGI+ VRM, LANGuard, Overvoltage protection, SafeSlot, and Stainless-steel back I/O
ASUS Q-Design: Q-Dashboard, Q-DIMM, Q-LED Core, and Q-Slot for easy building
ASUS Thermal Solution: Dedicated M.2 heatsink and robust VRM heatsink design
ASUS EZ DIY: BIOS FlashBack button and LED for easy updates without a CPU installed
Lighting: Aura Sync support via Addressable RGB Gen 2 headers