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Product comparison · 2 motherboards

MSI AM5 PRO B850M-A WIFI PZ M-ATX vs MSI Pro B840-S EVO WIFI6E

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  • 60specifications compared
  • 15differ
  • 45identical
  • 26known for one product only

Key differences

  • Supported memory clock speeds
    • 6000,6400,8200 MHz
    • 4800,5600,8000,6400 MHz
  • Supported memory clock speed (max)
    • 8200 MHz
    • 8000 MHz
  • Supported storage drive interfaces
    • M.2
    • M.2, Micro SATA III
  • Number of storage drives supported
    • 6
    • 7
  • Number of CPU fan connectors
    • 2
    • 1
  • USB 2.0 ports quantity
    • 0
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 3
    • 2
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    • 3
    • 1

Side by side

Differences highlightedShow differences only
86 specifications
A

MSI

AM5 PRO B850M-A WIFI PZ M-ATXView product
B

MSI

Pro B840-S EVO WIFI6EView 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
Memory2 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers6000,6400,8200 MHz4800,5600,8000,6400 MHz
Supported memory clock speed (max)Differs8200 MHz8000 MHz
Maximum internal memory256 GB256 GB
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2M.2, Micro SATA III
Number of HDDs supported44
Number of storage drives supportedDiffers67
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
On-board graphics cardNoNo
Internal I/O1 differ
USB 2.0 connectors44
USB 3.2 Gen 1 (3.1 Gen 1) connectors22
USB 3.2 Gen 2 (3.1 Gen 2) connectors11
Number of SATA III connectors44
Number of SATA II connectorsKnown for one0
Number of SATA connectors00
Total number of SATA connectors44
Front panel audio connectorKnown for oneYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)Known for oneYes
CPU fan connectorKnown for oneYes
Number of CPU fan connectorsDiffers21
Chassis intrusion connectorKnown for oneYes
Number of COM connectorsKnown for one1
Number of water pump connectors11
TPM connectorKnown for oneYes
RGB LED pin headerYesYes
Number of RGB LED pin headers33
Number of SATA Express connectorsKnown for one0
Number of chassis fan connectorsKnown for one5
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers04
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
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 quantityDiffers31
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers21
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
HDMI version2.12.1
DVI-D ports quantity00
DisplayPorts quantityKnown for one1
DisplayPort versionKnown for one1.4
Line-inKnown for oneYes
Microphone inKnown for oneYes
Networkidentical
Ethernet LANKnown for oneYes
Ethernet interface typeKnown for one5 Gigabit Ethernet
Wi-FiKnown for oneYes
Top Wi-Fi standardKnown for oneWi-Fi 7 (802.11be)
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.4
Features2 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B850AMD B840
Audio chipRealtek ALC897Realtek ALC897
Audio output channels7.1 channels7.1 channels
Product colourBlackBlack
Windows operating systems supportedWindows 11 x64Windows 11 x64
Expansion slots3 differ
PCI Express x4 slotsKnown for one1
PCI Express x16 slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsDiffers14
PCI Express x16 (Gen 4.x) slots11
PCI Express x16 (Gen 5.x) slotsKnown for one1
Number of M.2 (M) slots22
1st M.2 largest key size22802280
1st M.2 highest PCI Express generationDiffers5.04.0
2nd M.2 largest key sizeDiffers228022110
2nd M.2 highest PCI Express generation4.04.0
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeKnown for one256 Mbit
ACPI version6.56.5
System Management BIOS (SMBIOS) version3.73.7
Weight & dimensions1 differ
Width243.8 mm243.8 mm
DepthDiffers243.8 mm304.8 mm
Other featuresidentical
mSATA ports quantityKnown for one0

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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