Product comparison · 2 motherboards

GIGABYTE GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX vs MSI CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX

55specifications compared
17differ
38identical
27known for one product only

Key differences

Supported memory clock speeds
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:1333,1600 MHz
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:1066,1333,1600 MHz
Maximum internal memory
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:32 GB
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:64 GB
Supported storage drive interfaces
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:SATA III
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:SATA II, SATA III
Maximum graphics card memory
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:1024 MB
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:1760 MB
Number of SATA III connectors
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:6
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:4
Number of SATA II connectors
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:0
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:2
Number of chassis fan connectors
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:1
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:2
Serial port headers
- GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX:2
- CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX:1

Side by side

Differences highlightedShow differences only

Comparison of GA-Q87M-MK, CSM-B85M-E45
82 specifications	A GIGABYTE GA-Q87M-MK motherboard Intel® Q87 LGA 1150 (Socket H3) micro ATX Model GA-Q87M-MK View product	B MSI CSM-B85M-E45 Intel® B85 LGA 1150 (Socket H3) micro ATX Model CSM-B85M-E45 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1150 (Socket H3)	LGA 1150 (Socket H3)
Compatible processor series	Intel® Celeron®, Intel® Pentium®	Intel® Celeron®, Intel® Pentium®
Intel Core i3/i5/i7/i9 seriesKnown for one	i3-4xxx, i5-4xxx, i7-4xxx	Unknown — not stated by the source
Memory2 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
Memory voltage	1.5 V	1.5 V
ECC сompatibility	Non-ECC	Non-ECC
Supported memory clock speedsDiffers	1333,1600 MHz	1066,1333,1600 MHz
Maximum internal memoryDiffers	32 GB	64 GB
Supported memory module capacitiesKnown for one	Unknown — not stated by the source	16GB
Unbuffered memoryKnown for one	Unknown — not stated by the source	Yes
Storage controllers1 differ
Supported storage drive interfacesDiffers	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	1024 MB	1760 MB
Graphics card family	Intel	Intel
Maximum resolution	4096 x 2160 pixels	4096 x 2160 pixels
Discrete graphics support	Yes	Yes
DirectX versionKnown for one	Unknown — not stated by the source	11
Internal I/O4 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
Number of SATA III connectorsDiffers	6	4
Number of SATA II connectorsDiffers	0	2
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
CPU fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	1	2
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Parallel connector	Yes	Yes
Serial port headersDiffers	2	1
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
Ethernet LAN (RJ-45) portsDiffers	2	1
eSATA ports quantity	0	0
PS/2 ports quantityDiffers	1	2
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	0	1
HDMI ports quantity	1	1
HDMI versionKnown for one	1.4a	Unknown — not stated by the source
DVI-D ports quantity	1	1
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Digital audio optical outKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111G
Features1 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel® Q87	Intel® B85
Audio chipKnown for one	Realtek ALC887	Unknown — not stated by the source
Audio output channels	7.1 channels	7.1 channels
PC health monitoringKnown for one	CPU, Fan, Power supply, Temperature	Unknown — not stated by the source
Cooling type	Passive	Passive
Power source type	ATX	ATX
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Expansion slots2 differ
PCI Express x1 (Gen 2.x) slotsDiffers	1	2
PCI Express x16 (Gen 3.x) slots	1	1
Mini PCI Express slotsKnown for one	1	Unknown — not stated by the source
PCI slotsDiffers	2	1
BIOSidentical
BIOS typeKnown for one	EFI AMI	Unknown — not stated by the source
BIOS memory sizeKnown for one	64 Mbit	Unknown — not stated by the source
ACPI versionKnown for one	2.0a	Unknown — not stated by the source
Clear CMOS jumperKnown for one	Yes	Unknown — not stated by the source
Processor special featuresidentical
Processor with Intel Graphics Technology requiredKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers	244 mm	228 mm
Depth	244 mm	244 mm
Other featuresidentical
mSATA ports quantityKnown for one	1	Unknown — not stated by the source
Dual Link DVIKnown for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Number of processors supportedKnown for one	1	Unknown — not stated by the source
PCI Express slots quantityKnown for one	3	Unknown — not stated by the source
Parallel port via internal header	Yes	Yes
Serial port via internal header	Yes	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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