ASUS PRIME B840M-A-CSM

AM5, AMD B840, mATX
1Ratings
Delivered between Tue, 19.8. and Wed, 20.8.
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Product details

Asus Prime Series motherboards are expertly designed to unleash the full potential of AMD Ryzen 9000 processors. The Prime B840M-A-CSM motherboard offers users and PC DIY builders a range of performance optimisations via intuitive software and firmware functions. Designed to be "Advanced AI PC-ready", it offers the performance and connectivity required for demanding AI applications.

Key specifications

Processor family
AMD 7000 Series
Memory type
DDR5 RAM
Number of memory modules (RAM)
4 x
Internal connection options
M.2 (3x), S-ATA III (4x)
Mainboard features
Clear CMOS Button, COM Port Header, Front panel audio connector, S/PDIF header
Item number
53632620

General information

Manufacturer
ASUS
Category
Motherboards
Manufacturer no.
90MB1J10-M0EAYC
Release date
25.11.2024
Sales rank in Category Motherboards
354 of 988

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B840
Mainboard features
Clear CMOS Button, COM Port Header, Front panel audio connector, S/PDIF header
Operating system compatibility
Windows 10
BIOS type
UEFI AMI

Processor

Processor family
AMD 7000 Series

Memory

Memory form factor
DIMM
Number of pins
288 x
Number of memory modules (RAM)
4 x
Max. memory (RAM)
256 GB
Memory chip
DDR5 SDRAM
Max. RAM OC
7600 MHz
Supported memory speed
7600 MHz
Memory type
DDR5 RAM
RAM buffer
Unbuffered

Graphics properties

Video connections
DisplayPort (1x), HDMI (1x)
Video connection version
Display port 1.4, HDMI 2.1

Network

Network connections
RJ45 (1x)
Ethernet controller brand
Realtek
Max. port speed
2.50 Gbit/s

Audio

Audio channel
7.1 Channel
Audio Connections
Headphone output (1x), Jack 3.5mm Line In (1x)

Data storage

RAID configuration
0, 1, 10, 5

Internal interfaces

Internal connection options
M.2 (3x), S-ATA III (4x)
Expansion slot
PCI Express x16 (2x), PCI Express x16 (Gen 4) (1x)
PCI express version (max.)
4
Number of fan connector
4

Further connections

USB ports
USB-A, USB-C
Exact USB ports
USB-A 2.0 (4x), USB-A 3.1 Gen 1 (2x), USB-C 3.2 Gen 1 (1x)

Power supply

Power connectors
24-pin ATX, 4-pin ATX 12V, 8-pin ATX 12V

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Sata Cables, Screws

Product dimensions

Length
244 mm
Width
244 mm
Height
244 mm
Weight
910 g

Package dimensions

Length
27.50 cm
Width
27.50 cm
Height
6.80 cm
Weight
1.34 kg

30-day right of return
36 Months Warranty (Bring-in)
13 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Motherboards» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 2.Gigabyte
    2.7 %
  • 3.AsRock
    2.8 %
  • 3.ASUS
    2.8 %
  • 5.Supermicro
    2.9 %
  • 6.NZXT
    4.7 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 3.MSI
    2 days
  • 3.Supermicro
    2 days
  • 5.Gigabyte
    6 days
  • 5.NZXT
    6 days
  • 7.ASUS
    9 days

Return rate

How often is a product of this brand in the «Motherboards» category returned?

Source: Digitec Galaxus
  • 1.MSI
    4.8 %
  • 2.ASUS
    5 %
  • 2.Gigabyte
    5 %
  • 4.NZXT
    6 %
  • 5.AsRock
    6.2 %
Source: Digitec Galaxus