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Product comparison · 2 motherboards

MSI B75A-G43 motherboard Intel B75 LGA 1155 (Socket H2) ATX vs MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX

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  • 49specifications compared
  • 14differ
  • 35identical
  • 29known for one product only

Key differences

The MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX has 1 more USB 2.0 connectors than the MSI B75A-G43 motherboard Intel B75 LGA 1155 (Socket H2) ATX (3 vs 2). The MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX has 1 more SATA III connectors than the MSI B75A-G43 motherboard Intel B75 LGA 1155 (Socket H2) ATX (2 vs 1). The MSI B75A-G43 motherboard Intel B75 LGA 1155 (Socket H2) ATX has 1 more SATA II connectors than the MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX (5 vs 4). Only the MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX has on-board graphics card. Supported memory clock speeds: 1066,1333,1600 MHz on the MSI B75A-G43 motherboard Intel B75 LGA 1155 (Socket H2) ATX, 1066,1333,1600,1866,2133,2400,2600 MHz on the MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX.

  • On-board graphics card
    • No
    • Yes
  • USB 2.0 connectors
    • 2
    • 3
  • Number of SATA III connectors
    • 1
    • 2
  • Number of SATA II connectors
    • 5
    • 4
  • Number of chassis fan connectors
    • 4
    • 2
  • USB 2.0 ports quantity
    • 4
    • 6
  • Headphone outputs
    • 1
    • 6
  • Motherboard form factor
    • ATX
    • micro ATX

Side by side

Differences highlightedShow differences only
78 specifications
A

MSI

B75A-G43 motherboard Intel B75 LGA 1155 (Socket H2) ATX

Model B75A-G43

View product
B

MSI

Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX

Model Z77MA-G45

View product
Processor1 differ
Processor manufacturerIntelIntel
Processor socketLGA 1155 (Socket H2)LGA 1155 (Socket H2)
Compatible processor seriesDiffersIntel® Celeron®, Intel® Pentium®Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Maximum number of SMP processorsKnown for one1
System bus rateKnown for one5 GT/s
Memory1 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slots44
Memory channelsDual-channelDual-channel
Memory voltageKnown for one1.5 V
ECC сompatibilityKnown for oneNon-ECC
Supported memory clock speedsDiffers1066,1333,1600 MHz1066,1333,1600,1866,2133,2400,2600 MHz
Maximum internal memory32 GB32 GB
Supported memory module capacitiesKnown for one16GB, 1GB, 2GB, 4GB, 8GB
Storage controllersidentical
Supported storage drive interfacesSATA II, SATA IIISATA II, SATA III
RAID levelsKnown for one0, 1, 5, 10
Graphics1 differ
Maximum graphics card memory1760 MB1760 MB
Parallel processing technology supportKnown for one2-Way SLI
On-board graphics cardDiffersNoYes
Graphics card familyKnown for oneIntel
Graphics cardKnown for oneHD Graphics
HDCPKnown for oneYes
OpenGL versionKnown for one3.2
DirectX version1111
Internal I/O4 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
Number of SATA III connectorsDiffers12
Number of SATA II connectorsDiffers54
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers42
Chassis intrusion connectorYesYes
TPM connectorYesYes
Parallel connectorKnown for oneYes
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers46
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
DVI-D ports quantity11
Headphone outputsDiffers16
Microphone inYesYes
S/PDIF out portKnown for oneNo
Networkidentical
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek RTL8111ERealtek RTL8111E
Wi-Fi standardsKnown for oneNot supported
BluetoothKnown for oneNo
Networking featuresKnown for one10/100/1000 Mbit/sec
Features1 differ
Component forPCPC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyIntelIntel
Audio chipRealtek ALC892Realtek ALC892
Audio output channels7.1 channels7.1 channels
PC health monitoringKnown for oneCPU, Fan, Temperature
Cooling typeKnown for onePassive
Power source typeATXATX
Motherboard chipsetKnown for oneIntel B75
Expansion slots1 differ
PCI Express x1 slots22
PCI Express x8 slotsKnown for one1
PCI Express x16 slotsDiffers21
PCI Express slots versionKnown for one3.0
PCI slotsKnown for one3
BIOSidentical
BIOS typeUEFIUEFI
Clear CMOS jumperKnown for oneYes
Clear CMOS buttonKnown for oneYes
Weight & dimensions2 differ
WidthDiffers305 mm244 mm
DepthDiffers245 mm244 mm
Packaging contentidentical
Cables includedKnown for oneSATA
Drivers includedKnown for oneYes
Other features1 differ
Dual Link DVIKnown for oneYes
Controller interface typeDiffersSATAIIIIntel Z77
Quick installation guideKnown for oneYes
Controller 2nd interface typeKnown for oneSATAII

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