Asus Prime B840M-K

ASUS PRIME B840M-K. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. Ethernet interface type: 2.5 Gigabit Ethernet. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD

B840M-K
ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-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

Processor manufacturer: AMD
Processor socket: Socket AM5
Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets: Socket AM5

Memory

Supported memory types: DDR5-SDRAM
Number of memory slots: 2
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC & Non-ECC
Maximum internal memory: 128 GB
Feature: Unbuffered memory

Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, SATA III
Number of HDDs supported: 4
Number of storage drives supported: 6
Feature: RAID support
RAID levels: 0, 1, 5, 10

Graphics

Parallel processing technology support: Not supported

Internal I/O

USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2
Number of SATA III connectors: 4
Feature: S/PDIF out connector
Feature: Front panel audio connector
Feature: Front panel connector
Feature: ATX Power connector (24-pin)
Feature: CPU fan connector
Number of chassis fan connectors: 3
Feature: EPS power connector (8-pin)
Number of COM connectors: 1
Feature: TPM connector
Feature: 12V power connector
Feature: RGB LED pin header
Number of RGB LED pin headers: 3

Rear panel I/O ports

USB 2.0 ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
Ethernet LAN (RJ-45) ports: 1
HDMI ports quantity: 1

Network

Feature: Ethernet LAN
Ethernet interface type: 2.5 Gigabit Ethernet

Features

Motherboard chipset: AMD B840
Audio output channels: 7.1 channels
Product colour: Black
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
Windows operating systems supported: Windows 10 x64, Windows 11

Expansion slots

PCI Express x16 (Gen 3.x) slots: 1
PCI Express x16 (Gen 4.x) slots: 1
Number of M.2 (M) slots: 2

BIOS

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit

Packaging data

Package width: 270 mm
Package depth: 263 mm
Package height: 51.5 mm
Package weight: 1.02 kg

Weight & dimensions

Width: 244 mm
Depth: 221 mm

Packaging content

Cables included: SATA
Feature: Screws included