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Product comparison · 2 motherboards

MSI B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX vs MSI Z87-G55 Intel® Z87 LGA 1150 (Socket H3) ATX

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  • 46specifications compared
  • 18differ
  • 28identical
  • 33known for one product only

Key differences

  • Maximum internal memory
    • 64 GB
    • 32 GB
  • Supported storage drive interfaces
    • SATA II, SATA III
    • SATA III
  • USB 2.0 connectors
    • 4
    • 3
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of SATA III connectors
    • 4
    • 6
  • Number of SATA II connectors
    • 2
    • 0
  • USB 2.0 ports quantity
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4

Side by side

Differences highlightedShow differences only
79 specifications
A

MSI

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

Model B85M-E45

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B

MSI

Z87-G55 Intel® Z87 LGA 1150 (Socket H3) ATX

Model Z87-G55

View product
Processor1 differ
Processor manufacturerIntelIntel
Processor socketLGA 1150 (Socket H3)LGA 1150 (Socket H3)
Compatible processor seriesDiffersIntel® Celeron® D, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Intel Core i3/i5/i7/i9 seriesKnown for onei3-4xxx, i5-4xxx, i7-4xxx
Memory2 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1066,1333,1600 MHz1066,1333,1600,1866,2000,2133,2200,2400,2600,2666,2800,3000 MHz
Maximum internal memoryDiffers64 GB32 GB
Unbuffered memoryYesYes
Number of memory slotsKnown for one4
Memory voltageKnown for one1.5 V
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA II, SATA IIISATA III
RAID levelsKnown for one0, 1, 5, 10
Graphicsidentical
Maximum graphics card memoryKnown for one1760 MB
Parallel processing technology supportKnown for one2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX
Graphics card familyKnown for oneIntel
Maximum resolutionKnown for one4096 x 2160 pixels
DirectX version1111
Discrete graphics supportKnown for oneYes
Number of displays supportedKnown for one3
Internal I/O4 differ
USB 2.0 connectorsDiffers43
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
Number of SATA III connectorsDiffers46
Number of SATA II connectorsDiffers20
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)Known for oneYes
CPU fan connectorKnown for oneYes
Number of chassis fan connectorsKnown for one3
Chassis intrusion connectorYesYes
EPS power connector (8-pin)Known for oneYes
TPM connectorYesYes
Number of SATA connectorsKnown for one6
Parallel connectorKnown for oneYes
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantityDiffers01
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
DVI-D ports quantity11
Headphone outputs11
Microphone inYesYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
Parallel ports quantityKnown for one1
Serial ports quantityKnown for one1
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek 8111GRealtek RTL8111G
Features3 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® B85Intel® Z87
Audio chipDiffersRealtek ALC887Realtek ALC892
Audio output channels7.1 channels7.1 channels
Cooling typeKnown for onePassive
Power source typeATXATX
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 slots2 differ
PCI Express x1 (Gen 2.x) slotsDiffers24
PCI Express x16 (Gen 3.x) slotsDiffers13
PCI slotsKnown for one1
BIOSidentical
BIOS typeKnown for oneUEFI
Clear CMOS jumperYesYes
Processor special featuresidentical
Intel Rapid Storage TechnologyKnown for oneYes
Processor with Intel Graphics Technology requiredKnown for oneYes
Trusted Platform Module (TPM)Known for oneNo
Weight & dimensions1 differ
WidthDiffers228 mm305 mm
Depth244 mm244 mm
Other featuresidentical
mSATA ports quantityKnown for one1
Dual Link DVIKnown for oneYes
Number of processors supportedKnown for one1
PCI Express slots quantityKnown for one7
Processor front side busKnown for one100 MHz
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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