Asus PRIME B850M-K, AMD B850, AM5, Micro ATX, 2 DDR5, HDMI, DP, 2.5G LAN, 2x M.2
Asus PRIME B850M-K, AMD B850, AM5, Micro ATX, 2 DDR5, HDMI, DP, 2.5G LAN, 2x M.2

Asus PRIME B850M-K, AMD B850, AM5, Micro ATX, 2 DDR5, HDMI, DP, 2.5G LAN, 2x M.2

£143.25 inc. VAT

Product details

Description

Specification

  • Motherboard Type: Desktop
  • Form Factor: Micro ATX
  • Socket: AMD AM5
  • Chipset: AMD B850
  • #Hide#DDR Type: DDR5
  • CPU Support: Click here for CPU support
  • RAM Technology: “DDR5 (Dual Channel)
    ECC and Non-ECC Un-buffered DIMM*
    Supports AMD EXPO
    ASUS AEMP

    *Non-ECC, un-buffered DDR5 memory supports On-Die ECC function”

  • RAM Slots: 2 x DIMM
  • RAM Speeds: 8200+MT/s(OC) with Ryzen 9000 CPUs
    8400+MT/s(OC) with Ryzen 8000 CPUs
    8000+MT/s(OC) with Ryzen 7000 CPUs
  • Maximum Memory: 128GB
  • Graphics: Integrated Graphics
    Graphics specifications may vary between CPU types
  • Graphics Ports: 1 x HDMI
    1 x DisplayPort
  • PCI/PCI Express: Ryzen 9000 & 7000 Series CPUs:
    1 x PCIe 5.0 x16 (supports x16 mode)

    Ryzen 8000 Series CPUs:
    1 x PCIe 4.0 x16 (supports x8/x4 mode)

    AMD B850 Chipset:
    1 x PCIe 4.0 x16 (support x4 mode)

  • Storage: 4 x SATA III
    2 x M.2

    Ryzen 9000 & 7000 Series CPUs:
    M.2_1 (2280) – PCIe 5.0 x4
    M.2_2 (2242/2260/2280) – PCIe 4.0 x4

    Ryzen 8000 Series CPUs:
    M.2_1 (2280) – PCIe 4.0 x4
    M.2_2 (2242/2260/2280) – PCIe 4.0 x4/x2

  • RAID: Ryzen 9000 Series CPUs: RAID 0/1/5/10
    Ryzen 8000 Series CPUs: RAID 0/1
    Ryzen 7000 Series CPUs: RAID 0/1/10
  • Wireless: –
  • LAN: 2.5GB LAN
  • Audio: Realtek 7.1 Surround Sound High Definition Audio CODEC
  • USB Ports Supported: Rear:
    2 x USB 10Gbps Type-A
    2 x USB 5Gbps Type-A
    4 x USB 2.0

    Front:
    1 x USB 5Gbps Type-C
    2 x USB 5Gbps
    4 x USB 2.0

  • Back Panel I/O Ports: 2 x USB 10Gbps Type-A
    2 x USB 5Gbps Type-A
    4 x USB 2.0
    1 x DisplayPort
    1 x HDMI
    1 x Realtek 2.5Gb Ethernet
    3 x Audio jacks
    1 x BIOS FlashBack button
    1 x PS/2 Keyboard/Mouse combo
  • Internal I/O Connectors: 1 x 4-pin CPU Fan
    3 x 4-pin Chassis Fan
    1 x 24-pin Main
    1 x 8-pin +12V CPU
    2 x M.2 (Key M)
    4 x SATA 6Gb/s
    1 x USB 5Gbps Type-C
    1 x USB 5Gbps
    2 x USB 2.0
    3 x Addressable RGB Gen2
    1 x Clear CMOS
    1 x COM Port
  • .: 1 x Front Panel Audio
    1 x S/PDIF Out
    1 x SPI TPM (14-1 pin)
    1 x 10-1 pin System Panel
  • Accessories: 2 x SATA 6Gb/s cables
    1 x I/O Shield
    1 x M.2 rubber package
    1 x Screw package for M.2 SSD
    1 x Quick start guide
  • Additional Features: See Overview
  • Package Type: Retail
  • Package Weight: 1.0690 kg
  • Warranty: 3 Years
  • #Hide#M.2 Slot(s): Yes (M.2)
  • #Hide#No. LAN Ports: 1 x LAN
  • #Hide#Max LAN Speed: 2.5GB LAN

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Description

 

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.
 

  • AMD B850 mATX motherboard
  • DDR5
  • PCIe 5.0 Ready
  • Two M.2 slots
  • Realtek 2.5Gb Ethernet
  • DisplayPort
  • HDMI
  • Rear USB 10Gbps Type-A
  • Front USB 5Gbps Type-C
  • BIOS FlashBack
  • Aura Sync
 

 

Performance
  • AI Advisor – ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.
  • Digital Power Design – PRIME B850M-K features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use.
  • Six-layer PCB design – The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.
  • Digi+ VRM control – The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.
     

Enhanced Memory & Storage Performance

  • Enhanced DDR5 performance – Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850M-K maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits. For entry-level modules without EXPO™ support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance. For those looking to surpass stock DDR5 speeds, the PRIME B850M-K offers extensive AMD Extended Profiles for Overclocking (EXPO™) support and a wide array of UEFI settings for further performance tweaks
  • Two M.2 slots (up to 128Gbps) – PRIME B850M-K offers a total of two M.2 slots, including one that supports data-transfer speeds of up to 128 Gbps via PCIe 5.0, and one that support PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.
 
 
 

 

Cooler by design
 
The PRIME B850M-K motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.
  • ASUS Fan Xpert 2+ – ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.

 

Empowering connections
 
This motherboard offers a versatile range of connectivity, including support for PCIe 5.0 slot and an arsenal of USB ports which includes Type-C® connection.
  • Realtek 2.5Gb Ethernet – Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers.
  • High Speed Transferring – Numerous USB ports support high-end rigs loaded with peripherals, including two rear USB Type-A ports with transmission speeds of up to 10Gbps and a front USB Type-C® connector with ultrafast USB 5Gbps for transmission speeds of up to 5Gbps.
 

 

Personalization
 
The PRIME B850M-K enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.
  • UEFI BIOS – The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.
  • ASUS DriverHub – Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.
  • Armoury Crate – Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates.
  • Aura Sync – Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.
  • Addressable Gen2 RGB headers – Three Addressable RGB Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.
 
 
 
 
 
DIY friendly
 
The PRIME B850M-K motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.
  • BIOS FlashBack – BIOS FlashBack™ simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack™ port, and press a button—no CPU or memory needed.
  • SafeSlot – PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.
  • Q-LED Core – The Q-LED Core display produces color-coded lights during the Power-On Self-Test (POST) that can help you troubleshoot potential issues.
 

Additional information

Weight 1.0690 kg

Related products

Asus PRIME B850M-K, AMD B850, AM5, Micro ATX, 2 DDR5, HDMI, DP, 2.5G LAN, 2x M.2
£143.25 inc. VAT