Product comparison · 2 motherboards

MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX vs MSI X79A-GD45 Plus

49specifications compared
21differ
28identical
46known for one product only

Key differences

The MSI X79A-GD45 Plus has 4 more memory slots than the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX (8 vs 4). The MSI X79A-GD45 Plus has 96 GB more maximum internal memory than the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX (128 GB vs 32 GB). The MSI X79A-GD45 Plus has 1 more SATA III connectors than the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX (2 vs 1). Processor socket: LGA 1155 (Socket H2) on the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX, LGA 2011 (Socket R) on the MSI X79A-GD45 Plus. Compatible processor series: Intel® Celeron®, Intel® Pentium® on the MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX, Intel® Core™ i7 on the MSI X79A-GD45 Plus.

Processor socket
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
- X79A-GD45 Plus:LGA 2011 (Socket R)
Number of memory slots
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:4
- X79A-GD45 Plus:8
Memory channels
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:Dual-channel
- X79A-GD45 Plus:Quad-channel
Maximum internal memory
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:32 GB
- X79A-GD45 Plus:128 GB
Number of SATA III connectors
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:1
- X79A-GD45 Plus:2
Number of SATA II connectors
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:5
- X79A-GD45 Plus:4
Number of chassis fan connectors
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:2
- X79A-GD45 Plus:4
USB 2.0 ports quantity
- B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX:4
- X79A-GD45 Plus:6

Side by side

Differences highlightedShow differences only

Comparison of B75MA-G43, X79A-GD45 Plus
95 specifications	A MSI B75MA-G43 Intel B75 LGA 1155 (Socket H2) micro ATX Model B75MA-G43 View product	B MSI X79A-GD45 Plus View product
Processor2 differ
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 2011 (Socket R)
Compatible processor seriesDiffers	Intel® Celeron®, Intel® Pentium®	Intel® Core™ i7
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Intel Core i3/i5/i7/i9 seriesKnown for one	i3-2xxx, i3-3xxx, i5-2xxx, i5-3xxx, i7-2xxx, i7-3xxx	Unknown — not stated by the source
Memory4 differ
Number of memory slotsDiffers	4	8
Memory channelsDiffers	Dual-channel	Quad-channel
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
ECC сompatibilityKnown for one	Unknown — not stated by the source	Non-ECC
Supported memory clock speedsDiffers	1333,1600 MHz	1066,1333,1600,1866,2133,2400 MHz
Maximum internal memoryDiffers	32 GB	128 GB
Unbuffered memoryKnown for one	Unknown — not stated by the source	Yes
Storage controllersidentical
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphicsidentical
Parallel processing technology supportKnown for one	Unknown — not stated by the source	2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX, 3-Way SLI
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Maximum graphics card memoryKnown for one	1760 MB	Unknown — not stated by the source
Maximum resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
DirectX versionKnown for one	11	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Internal I/O3 differ
Number of SATA III connectorsDiffers	1	2
Number of SATA II connectorsDiffers	5	4
S/PDIF out connectorKnown for one	Unknown — not stated by the source	Yes
Number of chassis fan connectorsDiffers	2	4
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Serial port headersKnown for one	Unknown — not stated by the source	1
Number of EATX power connectorsKnown for one	2	Unknown — not stated by the source
Power fan connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers	4	6
PS/2 ports quantityDiffers	1	2
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantityDiffers	1	0
DVI-D ports quantityDiffers	1	0
DVI-I ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsDiffers	1	6
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Digital audio optical outKnown for one	Unknown — not stated by the source	1
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
COM ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
WiFi-AP antenna jackKnown for one	Unknown — not stated by the source	0
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
Networking featuresKnown for one	Unknown — not stated by the source	10/100/1000 Mbit/sec
Ethernet interface typeKnown for one	Fast Ethernet, Gigabit Ethernet	Unknown — not stated by the source
LAN controllerKnown for one	Realtek RTL8111E	Unknown — not stated by the source
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipsetDiffers	Intel B75	Intel X79
Audio chipDiffers	Realtek ALC887	Realtek ALC892
Expansion slots2 differ
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsDiffers	1	5
PCI Express configurationsDiffers	1x16+1x4	1x8, 2x1, 2x16
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
BIOSidentical
BIOS memory sizeKnown for one	Unknown — not stated by the source	64 Mbit
Weight & dimensions1 differ
WidthDiffers	244 mm	305 mm
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	SATA
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
S/PDIF in portKnown for one	Unknown — not stated by the source	No
BIOS switch buttonKnown for one	Unknown — not stated by the source	Yes
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Serial port via internal headerKnown for one	Unknown — not stated by the source	Yes
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
Manageability featuresKnown for one	Unknown — not stated by the source	WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
Number of processors supportedKnown for one	1	Unknown — not stated by the source
PCI Express slots quantityKnown for one	2	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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