Product comparison · 2 motherboards

MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX vs MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX

72specifications compared
7differ
65identical
5known for one product only

Key differences

The MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX has 2 more chassis fan connectors than the MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX (4 vs 2). The MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX has 2 more USB 2.0 ports quantity than the MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX (6 vs 4). The MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX has 2 more PCI Express x1 slots than the MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX (4 vs 2). Only the MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX has S/PDIF out port. Motherboard form factor: ATX on the MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX, micro ATX on the MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX.

Number of chassis fan connectors
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:4
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:2
USB 2.0 ports quantity
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:4
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:6
S/PDIF out port
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:Yes
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:No
Motherboard form factor
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:ATX
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:micro ATX
PCI Express x1 slots
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:4
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:2
Width
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:305 mm
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:244 mm
Depth
- Z77A-G45 motherboard LGA 1155 (Socket H2) ATX:245 mm
- Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX:244 mm

Side by side

Differences highlightedShow differences only

Comparison of Z77A-G45, Z77MA-G45
77 specifications	A MSI Z77A-G45 motherboard LGA 1155 (Socket H2) ATX Model Z77A-G45 View product	B MSI Z77MA-G45 motherboard LGA 1155 (Socket H2) micro ATX Model Z77MA-G45 View product
Internal I/O1 differ
Number of chassis fan connectorsDiffers	4	2
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers	4	6
S/PDIF out portDiffers	Yes	No
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Features1 differ
Motherboard form factorDiffers	ATX	micro ATX
Expansion slots1 differ
PCI Express x1 slotsDiffers	4	2
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
BIOSidentical
Clear CMOS buttonKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	245 mm	244 mm

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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