Product comparison · 2 motherboards

MSI Z68A-G45 (B3) vs MSI Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX

50specifications compared
9differ
41identical
16known for one product only

Key differences

Supported memory clock speeds
- Z68A-G45 (B3):1066,1333,1600,1866,2133 MHz
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:1066,1333,1600,2133 MHz
USB 2.0 connectors
- Z68A-G45 (B3):4
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:3
Number of SATA III connectors
- Z68A-G45 (B3):2
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:4
CD/AUX audio in
- Z68A-G45 (B3):No
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:Yes
Number of chassis fan connectors
- Z68A-G45 (B3):4
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:1
Width
- Z68A-G45 (B3):305 mm
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:245 mm
Depth
- Z68A-G45 (B3):244 mm
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:305 mm
S/PDIF in port
- Z68A-G45 (B3):No
- Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX:Yes

Side by side

Differences highlightedShow differences only

Comparison of Z68A-G45 (B3), Z68A-GD55
66 specifications	A MSI Z68A-G45 (B3)View product	B MSI Z68A-GD55 Intel Z68 LGA 1155 (Socket H2) ATX Model Z68A-GD55 View product
Memory1 differ
Supported memory clock speedsDiffers	1066,1333,1600,1866,2133 MHz	1066,1333,1600,2133 MHz
Supported memory module capacitiesKnown for one	1GB, 2GB, 4GB, 8GB	Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for one	2-Way SLI	Unknown — not stated by the source
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Internal I/O4 differ
USB 2.0 connectorsDiffers	4	3
Number of SATA III connectorsDiffers	2	4
CD/AUX audio inDiffers	No	Yes
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsDiffers	4	1
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Rear panel I/O portsidentical
Headphone outputsKnown for one	1	Unknown — not stated by the source
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Network1 differ
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Expansion slotsidentical
PCI slotsKnown for one	2	Unknown — not stated by the source
BIOSidentical
BIOS typeKnown for one	UEFI	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	305 mm	245 mm
DepthDiffers	244 mm	305 mm
Other features1 differ
S/PDIF in portDiffers	No	Yes
Controller interface typeKnown for one	Intel Z68 (B3)	Unknown — not stated by the source
Audio outputKnown for one	Unknown — not stated by the source	S/PDIF
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes

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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