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Product comparison · 2 motherboards

MSI B840M GAMING WIFI6E vs MSI B850M GAMING PRO WIFI6E

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  • 67specifications compared
  • 18differ
  • 49identical
  • 12known for one product only

Key differences

  • Number of memory slots
    • 2
    • 4
  • Supported memory clock speeds
    • 4800,5600,8000 MHz
    • 4800,5600,6000,6400,8200 MHz
  • Supported memory clock speed (max)
    • 8000 MHz
    • 8200 MHz
  • Maximum internal memory
    • 128 GB
    • 256 GB
  • Supported storage drive interfaces
    • Micro SATA III
    • M.2
  • Number of HDDs supported
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 3
    • 2
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • 0
    • 1

Side by side

Differences highlightedShow differences only
79 specifications
A

MSI

B840M GAMING WIFI6EView product
B

MSI

B850M GAMING PRO 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
Memory4 differ
Supported memory typesDDR5-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers4800,5600,8000 MHz4800,5600,6000,6400,8200 MHz
Supported memory clock speed (max)Differs8000 MHz8200 MHz
Maximum internal memoryDiffers128 GB256 GB
Unbuffered memoryKnown for oneYes
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersMicro SATA IIIM.2
Number of HDDs supportedDiffers42
Number of storage drives supported66
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Graphicsidentical
On-board graphics cardNoNo
Internal I/O3 differ
USB 2.0 connectors44
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers32
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 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 connectorsDiffers12
Number of water pump connectors11
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 ports3 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
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 quantityDiffers03
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
HDMI version2.12.1
DVI-D ports quantity00
Networkidentical
Ethernet LANYesYes
Ethernet interface type2.5 Gigabit Ethernet2.5 Gigabit Ethernet
LAN controllerRealtek RTL8125DRealtek RTL8125D
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 6E (802.11ax)Wi-Fi 6E (802.11ax)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
BluetoothYesYes
Bluetooth version5.35.3
Features2 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B840AMD B850
Audio chipRealtek ALC897Realtek ALC897
Audio output channels7.1 channels7.1 channels
Product colourDiffersWhiteBlack
Windows operating systems supportedWindows 11 x64Windows 11 x64
Expansion slots2 differ
PCI Express x4 slotsKnown for one1
PCI Express x16 slotsDiffers21
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 4.x) slotsKnown for one1
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 generationDiffers4.05.0
2nd M.2 largest key size22802280
2nd M.2 highest PCI Express generation4.04.0
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers256 Mbit512 Mbit
ACPI version6.56.5
System Management BIOS (SMBIOS) version3.73.7
Weight & dimensions1 differ
WidthDiffers226 mm243.8 mm
Depth243.8 mm243.8 mm

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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