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Product comparison · 2 motherboards

MSI B85I Intel® B85 LGA 1150 (Socket H3) mini ITX vs MSI Z87-G55 Intel® Z87 LGA 1150 (Socket H3) ATX

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  • 43specifications compared
  • 14differ
  • 29identical
  • 36known for one product only

Key differences

  • USB 2.0 connectors
    • 1
    • 3
  • Number of SATA III connectors
    • 4
    • 6
  • USB 2.0 ports quantity
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4
  • VGA (D-Sub) ports quantity
    • 0
    • 1
  • DVI-D ports quantity
    • 0
    • 1
  • LAN controller
    • Realtek 8111G
    • Realtek RTL8111G
  • Motherboard form factor
    • mini ITX
    • ATX

Side by side

Differences highlightedShow differences only
79 specifications
A

MSI

B85I Intel® B85 LGA 1150 (Socket H3) mini ITX

Model B85I

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B

MSI

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

Model Z87-G55

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Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1150 (Socket H3)LGA 1150 (Socket H3)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Intel Core i3/i5/i7/i9 seriesKnown for onei3-4xxx, i5-4xxx, i7-4xxx
Memory1 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 memoryKnown for one32 GB
Unbuffered memoryYesYes
Number of memory slotsKnown for one2
Storage controllersidentical
Supported storage drive interfacesSATA 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 versionKnown for one11
Discrete graphics supportKnown for oneYes
Number of displays supportedKnown for one3
Internal I/O2 differ
USB 2.0 connectorsDiffers13
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
Number of SATA III connectorsDiffers46
Number of SATA II connectors00
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one3
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)Known for oneYes
TPM connectorKnown for oneYes
Rear panel I/O ports4 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 quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantity11
DVI-D ports quantityDiffers01
Headphone outputsKnown for one1
Microphone inKnown for oneYes
S/PDIF out portYesYes
Digital audio optical outKnown for one1
DVI-I ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Serial ports quantityKnown for one1
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek 8111GRealtek RTL8111G
Features2 differ
Component forPCPC
Motherboard form factorDiffersmini ITXATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® B85Intel® Z87
Audio chipRealtek ALC892Realtek 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 slots1 differ
PCI Express x1 (Gen 2.x) slotsKnown for one4
PCI Express x16 (Gen 3.x) slotsDiffers13
Mini PCI Express slot (half-length)Known for one1
BIOSidentical
BIOS typeKnown for oneUEFI
Clear CMOS jumperYesYes
Clear CMOS buttonKnown for oneYes
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 & dimensions2 differ
WidthDiffers170 mm305 mm
DepthDiffers170 mm244 mm
Other features1 differ
mSATA ports quantityKnown for one1
Dual Link DVIKnown for oneYes
Number of processors supportedKnown for one1
PCI Express slots quantityDiffers27
Processor front side busKnown for one100 MHz
Serial port via internal headerKnown for oneYes
Number of DIMM slotsKnown for one2

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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