Product comparison · 2 motherboards

ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX vs MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX

54specifications compared
15differ
39identical
35known for one product only

Key differences

The MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX has 64 MB more maximum graphics card memory than the ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX (1760 MB vs 1696 MB). The ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX has 1 more SATA III connectors than the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX (2 vs 1). The MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX has 1 more SATA II connectors than the ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX (5 vs 4). Supported memory clock speeds: 1066,1333,1600,1866,2133,2200,2400 MHz on the ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX, 1333,1600 MHz on the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX. Ethernet interface type: Gigabit Ethernet on the ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX, Fast Ethernet, Gigabit Ethernet on the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX.

Maximum graphics card memory
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:1696 MB
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:1760 MB
Number of SATA III connectors
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:2
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:1
Number of SATA II connectors
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:4
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:5
Number of EATX power connectors
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:1
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:2
PS/2 ports quantity
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:2
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:1
LAN controller
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:Realtek RTL8111F
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:Realtek RTL8111E
Motherboard form factor
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:ATX
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:micro ATX
Motherboard chipset
- Z77-A Intel Z77 LGA 1155 (Socket H2) ATX:Intel Z77
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:Intel B75

Side by side

Differences highlightedShow differences only

Comparison of Z77-A, B75MA-G43
89 specifications	A ASUS Z77-A Intel Z77 LGA 1155 (Socket H2) ATX Model Z77-A View product	B MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX Model B75MA-G43 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Compatible processor series	Intel® Celeron®, Intel® Pentium®	Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processorsKnown for one	1	Unknown — not stated by the source
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Intel Core i3/i5/i7/i9 seriesKnown for one	Unknown — not stated by the source	i3-2xxx, i3-3xxx, i5-2xxx, i5-3xxx, i7-2xxx, i7-3xxx
Memory1 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slots	4	4
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
ECC сompatibilityKnown for one	Non-ECC	Unknown — not stated by the source
Supported memory clock speedsDiffers	1066,1333,1600,1866,2133,2200,2400 MHz	1333,1600 MHz
Maximum internal memory	32 GB	32 GB
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Graphics1 differ
Maximum graphics card memoryDiffers	1696 MB	1760 MB
Parallel processing technology supportKnown for one	Quad-GPU CrossFireX	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Maximum resolution	2048 x 1536 pixels	2048 x 1536 pixels
DirectX version	11	11
Discrete graphics support	Yes	Yes
Internal I/O3 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
Number of SATA III connectorsDiffers	2	1
Number of SATA II connectorsDiffers	4	5
Number of Parallel ATA connectors	0	0
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectorsDiffers	1	2
Power fan connector	Yes	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectors	2	2
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports1 differ
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 quantityDiffers	2	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
DVI-D ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
LAN controllerDiffers	Realtek RTL8111F	Realtek RTL8111E
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Features2 differ
Component for	PC	PC
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel Z77	Intel B75
Audio chip	Realtek ALC887	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Cooling type	Passive	Passive
Power source type	ATX	ATX
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	RoHS	Unknown — not stated by the source
Overclocking featuresKnown for one	ASUS C.P.R.	Unknown — not stated by the source
Expansion slots2 differ
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsDiffers	2	1
PCI Express configurationsDiffers	2x1, 2x16	1x16+1x4
PCI Express slots version	2.0, 3.0	2.0, 3.0
PCI slotsKnown for one	2	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS typeDiffers	UEFI AMI	UEFI
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	4.0a	Unknown — not stated by the source
Clear CMOS jumper	Yes	Yes
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	213 mm	244 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Antivirus	Unknown — not stated by the source
Bundled softwareKnown for one	ASUS Utilities ASUS Update	Unknown — not stated by the source
Other featuresidentical
Controller interface typeKnown for one	Intel Z77	Unknown — not stated by the source
Quick installation guideKnown for one	Yes	Unknown — not stated by the source
Number of processors supportedKnown for one	Unknown — not stated by the source	1
PCI Express slots quantityKnown for one	Unknown — not stated by the source	2
Processor special featuresidentical
Trusted Platform Module (TPM)Known 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.

More motherboard comparisons

All motherboard comparisons