Product comparison · 2 motherboards

MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX vs MSI Z77A-G45 Thunderbolt

47specifications compared
10differ
37identical
17known for one product only

Key differences

The MSI Z77A-G45 Thunderbolt has 1 more USB 2.0 connectors than the MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX (3 vs 2). The MSI Z77A-G45 Thunderbolt has 1 more SATA III connectors than the MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX (2 vs 1). The MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX has 1 more SATA II connectors than the MSI Z77A-G45 Thunderbolt (5 vs 4). Parallel processing technology support: 2-Way CrossFireX on the MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX, 2-Way CrossFireX, 2-Way SLI on the MSI Z77A-G45 Thunderbolt. Motherboard chipset: Intel B75 on the MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX, Intel Z77 on the MSI Z77A-G45 Thunderbolt.

Parallel processing technology support
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:2-Way CrossFireX
- Z77A-G45 Thunderbolt:2-Way CrossFireX, 2-Way SLI
USB 2.0 connectors
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:2
- Z77A-G45 Thunderbolt:3
Number of SATA III connectors
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:1
- Z77A-G45 Thunderbolt:2
Number of SATA II connectors
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:5
- Z77A-G45 Thunderbolt:4
Motherboard chipset
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:Intel B75
- Z77A-G45 Thunderbolt:Intel Z77
Audio chip
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:Realtek ALC887
- Z77A-G45 Thunderbolt:Realtek ALC892
PCI Express x1 slots
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:2
- Z77A-G45 Thunderbolt:4
PCI Express x16 slots
- B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX:2
- Z77A-G45 Thunderbolt:3

Side by side

Differences highlightedShow differences only

Comparison of B75A-G41, Z77A-G45 Thunderbolt
64 specifications	A MSI B75A-G41 motherboard Intel B75 LGA 1155 (Socket H2) ATX Model B75A-G41 View product	B MSI Z77A-G45 Thunderbolt View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Compatible processor series	Intel® Celeron® G, Intel® Pentium®	Intel® Celeron® G, Intel® Pentium®
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
Supported memory clock speedsDiffers	1066,1333,1600,1800,2000,2200,2400 MHz	1066,1333,1600,1866,2000,2133,2200,2400,2600,2666,2800 MHz
Maximum internal memoryKnown for one	32 GB	Unknown — not stated by the source
Storage controllersidentical
Supported storage drive interfaces	SATA II, SATA III	SATA II, SATA III
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Graphics1 differ
Maximum graphics card memory	1760 MB	1760 MB
Parallel processing technology supportDiffers	2-Way CrossFireX	2-Way CrossFireX, 2-Way SLI
On-board graphics cardKnown for one	No	Unknown — not stated by the source
DirectX version	11	11
Internal I/O3 differ
USB 2.0 connectorsDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
Number of SATA III connectorsDiffers	1	2
Number of SATA II connectorsDiffers	5	4
Number of Parallel ATA connectors	0	0
Front panel audio connector	Yes	Yes
ATX Power connector (24-pin)Known for one	Yes	Unknown — not stated by the source
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
CPU fan connectorKnown for one	Yes	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	4	Unknown — not stated by the source
Chassis intrusion connector	Yes	Yes
Parallel connectorKnown for one	Yes	Unknown — not stated by the source
Serial port headersKnown for one	1	Unknown — not stated by the source
TPM connector	Yes	Yes
Rear panel I/O portsidentical
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 quantity	1	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
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	1
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controller	Realtek RTL8111E	Realtek RTL8111E
Features2 differ
Component for	PC	PC
Motherboard form factor	ATX	ATX
Motherboard chipset family	Intel	Intel
Motherboard chipsetDiffers	Intel B75	Intel Z77
Audio chipDiffers	Realtek ALC887	Realtek ALC892
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Expansion slots2 differ
PCI Express x1 slotsDiffers	2	4
PCI Express x16 slotsDiffers	2	3
PCI Express slots version	2.0, 3.0	2.0, 3.0
PCI slotsKnown for one	2	Unknown — not stated by the source
BIOSidentical
BIOS type	UEFI	UEFI
Clear CMOS jumperKnown for one	Yes	Unknown — not stated by the source
Clear CMOS buttonKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
Width	305 mm	305 mm
DepthDiffers	216 mm	245 mm
Other featuresidentical
Serial port via internal headerKnown 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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