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Product comparison · 2 motherboards

MSI Z77A-G43 motherboard LGA 1155 (Socket H2) ATX vs MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX

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  • 73specifications compared
  • 8differ
  • 65identical
  • 11known for one product only

Key differences

The MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX has 1 more USB 2.0 connectors than the MSI Z77A-G43 motherboard LGA 1155 (Socket H2) ATX (3 vs 2). The MSI Z77A-G43 motherboard LGA 1155 (Socket H2) ATX has 2 more SATA III connectors than the MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX (4 vs 2). The MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX has 2 more SATA II connectors than the MSI Z77A-G43 motherboard LGA 1155 (Socket H2) ATX (4 vs 2). Only the MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX has S/PDIF out port. Parallel processing technology support: 2-Way CrossFireX on the MSI Z77A-G43 motherboard LGA 1155 (Socket H2) ATX, 2-Way SLI on the MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX.

  • Parallel processing technology support
    • 2-Way CrossFireX
    • 2-Way SLI
  • USB 2.0 connectors
    • 2
    • 3
  • Number of SATA III connectors
    • 4
    • 2
  • Number of SATA II connectors
    • 2
    • 4
  • USB 2.0 ports quantity
    • 6
    • 4
  • S/PDIF out port
    • No
    • Yes
  • PCI Express x1 slots
    • 2
    • 4
  • PCI Express slots version
    • 2.0, 3.0
    • 3.0

Side by side

Differences highlightedShow differences only
84 specifications
A

MSI

Z77A-G43 motherboard LGA 1155 (Socket H2) ATX

Model Z77A-G43

View product
B

MSI

Z77A-G45 motherboard LGA 1155 (Socket H2) ATX

Model Z77A-G45

View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1155 (Socket H2)LGA 1155 (Socket H2)
Compatible processor seriesIntel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Maximum number of SMP processors11
System bus rate5 GT/s5 GT/s
Memoryidentical
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slots44
Memory slots typeKnown for oneDIMM
Memory channelsDual-channelDual-channel
Memory voltage1.5 V1.5 V
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds1066,1333,1600,1866,2133,2400,2600 MHz1066,1333,1600,1866,2133,2400,2600 MHz
Maximum internal memory32 GB32 GB
Supported memory module capacities16GB, 1GB, 2GB, 4GB, 8GB16GB, 1GB, 2GB, 4GB, 8GB
Storage controllersidentical
Supported storage drive interfacesSATA II, SATA IIISATA II, SATA III
RAID levels0, 1, 5, 100, 1, 5, 10
Graphics1 differ
Maximum graphics card memory1760 MB1760 MB
Parallel processing technology supportDiffers2-Way CrossFireX2-Way SLI
On-board graphics cardYesYes
Graphics card familyIntelIntel
Graphics cardHD GraphicsHD Graphics
HDCPYesYes
OpenGL version3.23.2
DirectX version1111
Discrete graphics supportKnown for oneYes
Internal I/O3 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
Number of SATA III connectorsDiffers42
Number of SATA II connectorsDiffers24
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectors44
Chassis intrusion connectorYesYes
EPS power connector (8-pin)YesYes
Parallel connectorKnown for oneYes
Serial port headersKnown for one1
TPM connectorYesYes
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers64
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 outputs66
Microphone inYesYes
S/PDIF out portDiffersNoYes
Digital audio optical outKnown for one1
Networkidentical
Ethernet LANKnown for oneYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek RTL8111ERealtek RTL8111E
Wi-FiKnown for oneNo
Wi-Fi standardsNot supportedNot supported
BluetoothNoNo
Networking features10/100/1000 Mbit/sec10/100/1000 Mbit/sec
Featuresidentical
Component forPCPC
Motherboard form factorATXATX
Motherboard chipset familyIntelIntel
Audio chipRealtek ALC892Realtek ALC892
Audio output channels7.1 channels7.1 channels
PC health monitoringCPU, Fan, TemperatureCPU, Fan, Temperature
Cooling typePassivePassive
Power source typeATXATX
Expansion slots2 differ
PCI Express x1 slotsDiffers24
PCI Express x4 slots11
PCI Express x16 slots11
PCI Express configurationsKnown for one1x16+1x4
PCI Express slots versionDiffers2.0, 3.03.0
PCI slotsKnown for one3
PCI Express x8 slotsKnown for one1
BIOSidentical
BIOS typeUEFIUEFI
Clear CMOS jumperYesYes
Clear CMOS buttonKnown for oneYes
Weight & dimensionsidentical
Width305 mm305 mm
Depth245 mm245 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedYesYes
Other featuresidentical
Dual Link DVIYesYes
Controller interface typeIntel Z77Intel Z77
Quick installation guideYesYes

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