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Product comparison · 2 motherboards

ASUS H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX vs MSI CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX

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  • 45specifications compared
  • 10differ
  • 35identical
  • 26known for one product only

Key differences

  • Number of memory slots
    • 2
    • 4
  • Maximum internal memory
    • 16 GB
    • 64 GB
  • Number of SATA III connectors
    • 2
    • 4
  • VGA (D-Sub) ports quantity
    • 0
    • 1
  • HDMI ports quantity
    • 0
    • 1
  • Motherboard chipset
    • Intel® H81
    • Intel® B85
  • PCI Express x1 (Gen 2.x) slots
    • 1
    • 2
  • PCI slots
    • 2
    • 1

Side by side

Differences highlightedShow differences only
71 specifications
A

ASUS

H81M2 Intel® H81 LGA 1150 (Socket H3) micro ATX

Model H81M2

View product
B

MSI

CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX

Model CSM-B85M-E45

View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1150 (Socket H3)LGA 1150 (Socket H3)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processorsKnown for one1
Memory2 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
Memory voltageKnown for one1.5 V
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds1066,1333,1600 MHz1066,1333,1600 MHz
Maximum internal memoryDiffers16 GB64 GB
Supported memory module capacitiesKnown for one16GB
Unbuffered memoryKnown for oneYes
Storage controllersidentical
Supported storage drive interfacesSATA II, SATA IIISATA II, SATA III
Graphicsidentical
Maximum graphics card memoryKnown for one1760 MB
Graphics card familyKnown for oneIntel
Maximum resolutionKnown for one4096 x 2160 pixels
DirectX versionKnown for one11
Discrete graphics supportKnown for oneYes
Parallel processing technology supportKnown for oneNot supported
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
Number of SATA III connectorsDiffers24
Number of SATA II connectors22
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one2
Parallel connectorKnown for oneYes
Serial port headersKnown for one1
TPM connectorYesYes
Chassis intrusion connectorKnown for oneYes
Peripheral (Molex) power connectors (4-pin)Known for one1
Number of COM connectorsKnown for one1
Rear panel I/O ports2 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantityDiffers01
DVI-D ports quantity11
Headphone outputs11
Microphone inYesYes
DVI-I ports quantityKnown for one1
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek RTL8111GRealtek RTL8111G
Features1 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® H81Intel® B85
Audio output channels7.1 channels7.1 channels
Cooling typeKnown for onePassive
Power source typeATXATX
Windows operating systems supportedWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, WinWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Expansion slots2 differ
PCI Express x1 (Gen 2.x) slotsDiffers12
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slotsDiffers21
PCI Express x16 (Gen 2.x) slotsKnown for one1
Weight & dimensions2 differ
WidthDiffers244 mm228 mm
DepthDiffers198 mm244 mm
Other featuresidentical
Parallel port via internal headerKnown for oneYes
Serial port via internal headerKnown for oneYes
BIOSidentical
BIOS typeKnown for oneUEFI AMI
BIOS memory sizeKnown for one64 Mbit
ACPI versionKnown for one2.0a
Packaging contentidentical
Drivers includedKnown 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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