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
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Compatible processor series	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Memory1 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slots	4	4
Memory channels	Dual-channel	Dual-channel
Memory voltage	1.5 V	1.5 V
Supported memory clock speedsDiffers	1066,1333,1600,1866,2133 MHz	1066,1333,1600,2133 MHz
Maximum internal memory	32 GB	32 GB
Supported memory module capacitiesKnown for one	1GB, 2GB, 4GB, 8GB	Unknown — not stated by the source
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
RAID levels	0, 1, 5, 10	0, 1, 5, 10
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
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
Number of SATA III connectorsDiffers	2	4
Number of SATA II connectors	4	4
Number of Parallel ATA connectors	0	0
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio inDiffers	No	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	4	1
Chassis intrusion connector	Yes	Yes
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
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	0	0
PS/2 ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Network1 differ
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
LAN controller	Realtek RTL8111E	Realtek RTL8111E
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Featuresidentical
Component for	PC	PC
Motherboard form factor	ATX	ATX
Motherboard chipset family	Intel	Intel
Motherboard chipset	Intel Z68	Intel Z68
Audio chip	Realtek ALC892	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Expansion slotsidentical
PCI Express x1 slots	3	3
PCI Express x16 slots	2	2
PCI Express slots version	2.0	2.0
PCI slotsKnown for one	2	Unknown — not stated by the source
BIOSidentical
BIOS typeKnown for one	UEFI	Unknown — not stated by the source
Clear CMOS button	Yes	Yes
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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