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Product comparison · 2 motherboards

ASUS PRIME B840M-A WIFI-CSM vs MSI B850 GAMING PLUS WIFI - B850/AM5/DDR5/AT

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  • 55specifications compared
  • 26differ
  • 29identical
  • 44known for one product only

Key differences

  • Maximum internal memory
    • 192 GB
    • 256 GB
  • Supported storage drive interfaces
    • M.2, SATA III
    • M.2, SATA
  • RAID levels
    • 0, 1, 5, 10
    • 0, 1
  • USB 2.0 connectors
    • 2
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 4
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • 0
    • 1
  • Number of chassis fan connectors
    • 3
    • 4
  • Number of RGB LED pin headers
    • 3
    • 1

Side by side

Differences highlightedShow differences only
99 specifications
A

ASUS

PRIME B840M-A WIFI-CSMView product
B

MSI

B850 GAMING PLUS WIFI - B850/AM5/DDR5/ATView product
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket AM5Socket AM5
Compatible processor seriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsKnown for oneSocket AM5
Memory1 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slots44
Memory slots typeKnown for oneDIMM
Memory channelsKnown for oneDual-channel
ECC сompatibilityKnown for oneECC & Non-ECC
Supported memory clock speed (max)Known for one7600 MHz
Maximum internal memoryDiffers192 GB256 GB
Unbuffered memoryKnown for oneYes
Supported memory clock speedsKnown for one4800,5600,8200 MHz
Storage controllers2 differ
Supported storage drive typesKnown for oneHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIIM.2, SATA
Number of HDDs supportedKnown for one4
Number of storage drives supportedKnown for one7
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 100, 1
Graphicsidentical
Parallel processing technology supportKnown for oneNot supported
On-board graphics cardKnown for oneNo
Maximum resolutionKnown for one7680 x 4320 pixels
Internal I/O5 differ
USB 2.0 connectorsDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers24
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of SATA III connectors44
Number of SATA II connectorsKnown for one0
Number of SATA connectorsKnown for one0
S/PDIF out connectorKnown for oneYes
Front panel audio connectorYesYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectorsKnown for one2
Number of chassis fan connectorsDiffers34
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)11
Number of COM connectors11
Number of water pump connectorsKnown for one1
TPM connectorYesYes
RGB LED pin headerYesYes
Number of RGB LED pin headersDiffers31
Total number of SATA connectorsKnown for one4
Audio connectorKnown for oneYes
Rear panel I/O ports5 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity11
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers02
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantityKnown for one0
HDMI ports quantityKnown for one1
HDMI versionKnown for one2.1
DVI-D ports quantityKnown for one0
DisplayPorts quantityDiffers21
DisplayPort versionDiffers1.41.2
Headphone outputsKnown for one1
Line-inKnown for oneYes
WiFi-AP antenna jack22
Microphone inKnown for oneYes
S/PDIF out portKnown for oneYes
Network2 differ
Ethernet LANYesYes
Ethernet interface typeDiffers2.5 Gigabit Ethernet5 Gigabit Ethernet
Wi-FiYesYes
Top Wi-Fi standardDiffersWi-Fi 6E (802.11ax)Wi-Fi 7 (802.11be)
Wi-Fi standardsKnown for oneWi-Fi 6E (802.11ax)
BluetoothYesYes
Bluetooth versionKnown for one5.3
LAN controllerKnown for oneRealtek RTL8126
Features3 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B840AMD B850
Audio output channels7.1 channels7.1 channels
Product colourBlackBlack
Power source typeKnown for oneATX
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11
Audio chipKnown for oneRealtek ALC897
Overclocking featuresKnown for oneSupports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only
Expansion slots5 differ
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 4.x) slotsKnown for one1
Number of M.2 (M) slots33
1st M.2 largest key sizeDiffers22802580
1st M.2 highest PCI Express generationDiffers4.05.0
2nd M.2 largest key sizeDiffers228022110
2nd M.2 highest PCI Express generationDiffers4.05.0
3rd M.2 largest key size22802280
3rd M.2 highest PCI Express generationDiffers3.05.0
PCI Express x1 slotsKnown for one1
PCI Express x16 (Gen 5.x) slotsKnown for one4
BIOSidentical
BIOS typeKnown for oneUEFI AMI
BIOS memory sizeKnown for one256 Mbit
Weight & dimensions2 differ
WidthDiffers244 mm243.8 mm
DepthDiffers244 mm304.8 mm
Packaging content1 differ
Antenna includedYesYes
Cables includedDiffersSATAUDMA
Screws includedKnown for oneYes
Other featuresidentical
mSATA ports quantityKnown for one0
Quick installation guideKnown for oneYes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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