Product comparison · 2 motherboards

ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX vs MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX

55specifications compared
20differ
35identical
23known for one product only

Key differences

The ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX has 2 more memory slots than the MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX (4 vs 2). The ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX has 16 GB more maximum internal memory than the MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX (32 GB vs 16 GB). The ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX has 1 more USB 2.0 connectors than the MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX (3 vs 2). Compatible processor series: Intel® Celeron®, Intel® Pentium® on the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX, Intel® Pentium® on the MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX. Supported memory clock speeds: 1066,1333,1600 MHz on the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX, 1066,1333,1600,1800,2000,2200,2400 MHz on the MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX.

Number of memory slots
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:4
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:2
Maximum internal memory
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:32 GB
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:16 GB
Maximum resolution
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2560 x 1600 pixels
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:2048 x 1536 pixels
USB 2.0 connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:3
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:2
Number of SATA III connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:1
Number of SATA II connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:4
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:3
Number of Parallel ATA connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:1
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:0
PS/2 ports quantity
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX:1

Side by side

Differences highlightedShow differences only

Comparison of P8Q77-M/CSM, B75MA-E33
78 specifications	A ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX Model P8Q77-M/CSM View product	B MSI B75MA-E33 motherboard Intel B75 LGA 1155 (Socket H2) micro ATX Model B75MA-E33 View product
Processor1 differ
Processor manufacturer	Intel	Intel
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Compatible processor seriesDiffers	Intel® Celeron®, Intel® Pentium®	Intel® Pentium®
Maximum number of SMP processors	1	1
Memory3 differ
Supported memory types	DDR3-SDRAM	DDR3-SDRAM
Number of memory slotsDiffers	4	2
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 MHz	1066,1333,1600,1800,2000,2200,2400 MHz
Maximum internal memoryDiffers	32 GB	16 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 memoryKnown for one	1748 MB	Unknown — not stated by the source
Parallel processing technology support	Not supported	Not supported
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Graphics card family	Intel	Intel
Maximum resolutionDiffers	2560 x 1600 pixels	2048 x 1536 pixels
Discrete graphics support	Yes	Yes
Internal I/O4 differ
USB 2.0 connectorsDiffers	3	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	3
Number of Parallel ATA connectorsDiffers	1	0
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Number of EATX power connectors	1	1
CPU fan connector	Yes	Yes
Number of chassis fan connectors	2	2
Chassis intrusion connector	Yes	Yes
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of COM connectors	1	1
Parallel 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 ports2 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
PS/2 ports quantityDiffers	2	1
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Microphone in	Yes	Yes
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerDiffers	Intel® 82579LM	Realtek RTL8111E
Features2 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® Q77 Express	Intel B75
Audio chipDiffers	VIA VT1708S	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Cooling type	Passive	Passive
Power source type	ATX	ATX
Expansion slots3 differ
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	1	1
PCI Express configurationsDiffers	1x4, 1x16	1x1, 1x16
PCI Express slots versionDiffers	3.0	2.0, 3.0
PCI slotsDiffers	2	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
BIOS1 differ
BIOS typeDiffers	AMI	UEFI
BIOS memory sizeKnown for one	128 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	2.0a	Unknown — not stated by the source
Clear CMOS jumperKnown for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
Width	244 mm	244 mm
DepthDiffers	228.7 mm	173 mm
Packaging contentidentical
Cables included	SATA	SATA
Drivers included	Yes	Yes
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 features1 differ
Controller interface typeDiffers	Intel Q77	Intel B75
Audio outputKnown for one	3	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
PCI Express slots quantityKnown for one	3	Unknown — not stated by the source

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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