Product comparison · 2 motherboards

ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX vs MSI B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX

54specifications compared
18differ
36identical
26known 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 B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX (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 B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX (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 B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX (3 vs 2). 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 B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX. LAN controller: Intel® 82579LM on the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX, Realtek RTL8111E on the MSI B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX.

Number of memory slots
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:4
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:2
Maximum internal memory
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:32 GB
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:16 GB
USB 2.0 connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:3
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:2
Number of SATA III connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:1
Number of SATA II connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:4
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:3
Number of chassis fan connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:1
PS/2 ports quantity
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:1
LAN controller
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:Intel® 82579LM
- B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX:Realtek RTL8111E

Side by side

Differences highlightedShow differences only

Comparison of P8Q77-M/CSM, B75IA-E33
80 specifications	A ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX Model P8Q77-M/CSM View product	B MSI B75IA-E33 motherboard Intel B75 LGA 1155 (Socket H2) mini ITX Model B75IA-E33 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 processors	1	1
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
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
Graphicsidentical
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 card	Yes	Yes
Graphics card family	Intel	Intel
Maximum resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
Discrete graphics support	Yes	Yes
DirectX versionKnown for one	Unknown — not stated by the source	11
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 connectorsKnown for one	1	Unknown — not stated by the source
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 connectorsDiffers	2	1
Chassis intrusion connector	Yes	Yes
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
Number of SATA connectorsKnown for one	Unknown — not stated by the source	4
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
PS/2 ports quantityDiffers	2	1
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantity	1	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Microphone in	Yes	Yes
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Digital audio optical outKnown 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
Features3 differ
Component for	PC	PC
Motherboard form factorDiffers	micro ATX	mini ITX
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
Overclocking featuresKnown for one	Unknown — not stated by the source	OC Genie II
Expansion slots1 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	1x16
PCI Express slots version	3.0	3.0
PCI slotsKnown for one	2	Unknown — not stated by the source
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 & dimensions2 differ
WidthDiffers	244 mm	170 mm
DepthDiffers	228.7 mm	170 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 features2 differ
Controller interface typeDiffers	Intel Q77	Intel B75
Audio output	3	3
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
PCI Express slots quantityDiffers	3	1
Quick installation guideKnown 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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