Product comparison · 2 motherboards

ASUS M2A-MX Socket AM2 micro ATX vs ASUS M3A AMD 770 Socket AM2 ATX

28specifications compared
10differ
18identical
16known for one product only

Key differences

Number of memory slots
- M2A-MX Socket AM2 micro ATX:2
- M3A AMD 770 Socket AM2 ATX:4
ECC сompatibility
- M2A-MX Socket AM2 micro ATX:Non-ECC
- M3A AMD 770 Socket AM2 ATX:ECC & Non-ECC
Maximum internal memory
- M2A-MX Socket AM2 micro ATX:4 GB
- M3A AMD 770 Socket AM2 ATX:8 GB
Motherboard form factor
- M2A-MX Socket AM2 micro ATX:micro ATX
- M3A AMD 770 Socket AM2 ATX:ATX
Audio chip
- M2A-MX Socket AM2 micro ATX:Realtek ALC662
- M3A AMD 770 Socket AM2 ATX:Realtek ALC883
Audio output channels
- M2A-MX Socket AM2 micro ATX:5.1 channels
- M3A AMD 770 Socket AM2 ATX:7.1 channels
Width
- M2A-MX Socket AM2 micro ATX:245 mm
- M3A AMD 770 Socket AM2 ATX:305 mm
Depth
- M2A-MX Socket AM2 micro ATX:194 mm
- M3A AMD 770 Socket AM2 ATX:218 mm

Side by side

Differences highlightedShow differences only

Comparison of M2A-MX, M3A
44 specifications	A ASUS M2A-MX Socket AM2 micro ATX Model M2A-MX View product	B ASUS M3A AMD 770 Socket AM2 ATX Model M3A View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM2	Socket AM2
Memory3 differ
Number of memory slotsDiffers	2	4
ECC сompatibilityDiffers	Non-ECC	ECC & Non-ECC
Maximum internal memoryDiffers	4 GB	8 GB
Storage controllersidentical
RAID levels	0, 1, 0+1	0, 1, 0+1
Internal I/Oidentical
USB 2.0 connectors	3	3
Number of SATA connectors	4	4
Number of Parallel ATA connectors	1	1
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
CPU fan connector	Yes	Yes
Number of chassis fan connectorsKnown for one	Unknown — not stated by the source	1
Chassis intrusion connector	Yes	Yes
Rear panel I/O portsidentical
USB 2.0 ports quantity	4	4
Ethernet LAN (RJ-45) ports	1	1
PS/2 ports quantity	2	2
Headphone outputsKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Serial ports quantityKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
COM ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipsetKnown for one	Unknown — not stated by the source	AMD 770
Audio chipDiffers	Realtek ALC662	Realtek ALC883
Audio output channelsDiffers	5.1 channels	7.1 channels
Power source type	ATX	ATX
Overclocking featuresKnown for one	Unknown — not stated by the source	SFS ASUS C.P.R.
Expansion slots1 differ
Expansion slotsDiffers	1 x PCI Express x16 1 x PCI Express x1 2 x PCI	1 x PCIe x16 2 x PCIe x1 3 x PCI 2.2
BIOSidentical
BIOS memory size	64 Mbit	64 Mbit
Weight & dimensions2 differ
WidthDiffers	245 mm	305 mm
DepthDiffers	194 mm	218 mm
Other features1 differ
Controller 2nd interface typeKnown for one	Unknown — not stated by the source	UltraDMA 133/100/66
Controller interface typeKnown for one	Unknown — not stated by the source	Serial ATA II
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Special featuresDiffers	ASUS Q-Fan ASUS C.P.R. ASUS My Logo ASUS CrashFreeBIOS2 ASUS EZ Flash	- ASUS AI Gear 2 - ASUS AI Nap - ASUS Q-Fan 2 - ASUS Q-Shield - ASUS Q-Connector - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2
Manageability featuresKnown for one	WfM 2.0, DMI 2.0, WOL by PME, WOR, PXE	Unknown — not stated by the source
Packaging contentidentical
Bundled softwareKnown for one	Yes	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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