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Product comparison · 2 motherboards

ASUS PRIME B850-PLUS WIFI-CSM vs ASUS PRIME B850M-A WIFI-CSM

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  • 75specifications compared
  • 9differ
  • 66identical
  • 2known for one product only

Key differences

  • USB 2.0 connectors
    • 3
    • 2
  • Number of chassis fan connectors
    • 4
    • 3
  • USB 2.0 ports quantity
    • 2
    • 4
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    • 3
    • 2
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    • 1
    • 0
  • DisplayPorts quantity
    • 1
    • 2
  • Motherboard form factor
    • ATX
    • micro ATX
  • 3rd M.2 largest key size
    • 22110
    • 2280

Side by side

Differences highlightedShow differences only
77 specifications
A

ASUS

PRIME B850-PLUS WIFI-CSMView product
B

ASUS

PRIME B850M-A WIFI-CSMView 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 socketsSocket AM5Socket AM5
Memoryidentical
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Maximum internal memory256 GB256 GB
Unbuffered memoryYesYes
Storage controllersidentical
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesM.2, SATA IIIM.2, SATA III
Number of HDDs supported44
Number of storage drives supported77
RAID supportYesYes
RAID levels0, 1, 5, 100, 1, 5, 10
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
Internal I/O2 differ
USB 2.0 connectorsDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) connectors22
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors44
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers43
Chassis intrusion connectorYesYes
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)Known for one1
12V power connectorYesYes
Number of COM connectors11
TPM connectorYesYes
RGB LED pin headerYesYes
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers32
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers10
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
DVI-D ports quantity00
DisplayPorts quantityDiffers12
WiFi-AP antenna jack11
Networkidentical
Ethernet LANYesYes
Ethernet interface type2.5 Gigabit Ethernet2.5 Gigabit Ethernet
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 6E (802.11ax)Wi-Fi 6E (802.11ax)
Wi-Fi standardsWi-Fi 6E (802.11ax)Wi-Fi 6E (802.11ax)
BluetoothYesYes
Bluetooth version5.35.3
Features1 differ
Component forPCPC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetAMD B850AMD B850
Audio output channels7.1 channels7.1 channels
Product colourBlack, WhiteBlack, White
Windows operating systems supportedWindows 10 x64, Windows 11Windows 10 x64, Windows 11
Expansion slots1 differ
PCI Express x1 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 4.x) slots11
PCI Express x16 (Gen 5.x) slots11
Number of M.2 (M) slots33
1st M.2 largest key size22802280
1st M.2 highest PCI Express generation5.05.0
2nd M.2 largest key size22802280
2nd M.2 highest PCI Express generation4.04.0
3rd M.2 largest key sizeDiffers221102280
3rd M.2 highest PCI Express generation4.04.0
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size256 Mbit256 Mbit
Weight & dimensions1 differ
WidthDiffers305 mm244 mm
Depth244 mm244 mm
Packaging contentidentical
Antenna includedYesYes
Cables includedSATASATA
Screws includedYesYes

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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