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Product comparison · 2 motherboards

MSI CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX vs MSI H81-P33 Intel® H81 LGA 1150 (Socket H3) ATX

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  • 43specifications compared
  • 13differ
  • 30identical
  • 22known for one product only

Key differences

  • Number of memory slots
    • 4
    • 2
  • Maximum internal memory
    • 64 GB
    • 16 GB
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 1
    • 0
  • Number of SATA III connectors
    • 4
    • 2
  • Number of chassis fan connectors
    • 2
    • 1
  • HDMI ports quantity
    • 1
    • 0
  • DVI-D ports quantity
    • 1
    • 0
  • Ethernet interface type
    • Gigabit Ethernet
    • Fast Ethernet

Side by side

Differences highlightedShow differences only
65 specifications
A

MSI

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

Model CSM-B85M-E45

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B

MSI

H81-P33 Intel® H81 LGA 1150 (Socket H3) ATX

Model H81-P33

View product
Memory2 differ
Number of memory slotsDiffers42
Memory voltageKnown for one1.5 V
ECC сompatibilityKnown for oneNon-ECC
Maximum internal memoryDiffers64 GB16 GB
Supported memory module capacitiesKnown for one16GB
Unbuffered memoryKnown for oneYes
Graphicsidentical
Graphics card familyKnown for oneIntel
Maximum resolutionKnown for one4096 x 2160 pixels
Discrete graphics supportKnown for oneYes
Internal I/O3 differ
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers10
Number of SATA III connectorsDiffers42
CPU fan connectorKnown for oneYes
Number of chassis fan connectorsDiffers21
Serial port headersKnown for one1
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)Known for oneYes
Rear panel I/O ports2 differ
HDMI ports quantityDiffers10
DVI-D ports quantityDiffers10
Microphone inKnown for oneYes
DVI-I ports quantityKnown for one1
Network1 differ
Ethernet interface typeDiffersGigabit EthernetFast Ethernet
Features2 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetDiffersIntel® B85Intel® H81
Audio output channelsKnown for one7.1 channels
Cooling typeKnown for onePassive
Windows operating systems supportedKnown for oneWindows 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 slots1 differ
PCI Express x1 (Gen 2.x) slotsKnown for one2
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slotsDiffers13
PCI Express x1 slotsKnown for one2
PCI Express x16 (Gen 2.x) slotsKnown for one1
Weight & dimensions2 differ
WidthDiffers228 mm214 mm
DepthDiffers244 mm305 mm
Other featuresidentical
Parallel port via internal headerKnown for oneYes
Serial port via internal headerKnown 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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