Product comparison · 2 motherboards

ASUS M2N68-CM Socket AM2 micro ATX vs ASUS M3N78-AM Socket AM2 micro ATX

41specifications compared
9differ
32identical
6known for one product only

Key differences

The ASUS M2N68-CM Socket AM2 micro ATX has 2 more memory slots than the ASUS M3N78-AM Socket AM2 micro ATX (4 vs 2). The ASUS M2N68-CM Socket AM2 micro ATX has 1 more DVI-D ports quantity than the ASUS M3N78-AM Socket AM2 micro ATX (1 vs 0). The ASUS M2N68-CM Socket AM2 micro ATX has 2 channels more audio output channels than the ASUS M3N78-AM Socket AM2 micro ATX (7.1 channels vs 5.1 channels). ECC сompatibility: ECC & Non-ECC on the ASUS M2N68-CM Socket AM2 micro ATX, Non-ECC on the ASUS M3N78-AM Socket AM2 micro ATX. RAID levels: 0, 1, 5, 10 on the ASUS M2N68-CM Socket AM2 micro ATX, 0, 1, 0+1, 5, JBOD on the ASUS M3N78-AM Socket AM2 micro ATX.

Number of memory slots
- M2N68-CM Socket AM2 micro ATX:4
- M3N78-AM Socket AM2 micro ATX:2
ECC сompatibility
- M2N68-CM Socket AM2 micro ATX:ECC & Non-ECC
- M3N78-AM Socket AM2 micro ATX:Non-ECC
RAID levels
- M2N68-CM Socket AM2 micro ATX:0, 1, 5, 10
- M3N78-AM Socket AM2 micro ATX:0, 1, 0+1, 5, JBOD
DVI-D ports quantity
- M2N68-CM Socket AM2 micro ATX:1
- M3N78-AM Socket AM2 micro ATX:0
Audio chip
- M2N68-CM Socket AM2 micro ATX:VIA VT1708
- M3N78-AM Socket AM2 micro ATX:Realtek ALC662
Audio output channels
- M2N68-CM Socket AM2 micro ATX:7.1 channels
- M3N78-AM Socket AM2 micro ATX:5.1 channels
Depth
- M2N68-CM Socket AM2 micro ATX:228.6 mm
- M3N78-AM Socket AM2 micro ATX:218 mm
Graphics controller
- M2N68-CM Socket AM2 micro ATX:Nvidia Geforce 7
- M3N78-AM Socket AM2 micro ATX:NVIDIA GeForce

Side by side

Differences highlightedShow differences only

Comparison of M2N68-CM, M3N78-AM
47 specifications	A ASUS M2N68-CM Socket AM2 micro ATX Model M2N68-CM View product	B ASUS M3N78-AM Socket AM2 micro ATX Model M3N78-AM View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM2	Socket AM2
Memory2 differ
Number of memory slotsDiffers	4	2
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Maximum internal memory	8 GB	8 GB
Storage controllers1 differ
RAID levelsDiffers	0, 1, 5, 10	0, 1, 0+1, 5, JBOD
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	Yes	Unknown — not stated by the source
CPU fan connector	Yes	Yes
Number of chassis fan connectorsKnown for one	1	Unknown — not stated by the source
Chassis intrusion connector	Yes	Yes
Rear panel I/O ports1 differ
USB 2.0 ports quantity	6	6
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	0	0
DVI-D ports quantityDiffers	1	0
Headphone outputs	1	1
Microphone in	Yes	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Networking features	Gigabit LAN	Gigabit LAN
Features2 differ
Motherboard form factor	micro ATX	micro ATX
Audio chipDiffers	VIA VT1708	Realtek ALC662
Audio output channelsDiffers	7.1 channels	5.1 channels
Power source type	ATX	ATX
Compatible operating systemsKnown for one	Windows Vista Windows XP Windows 2000	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slots	1	1
PCI Express x16 slots	1	1
PCI slots	2	2
BIOSidentical
BIOS type	AMI	AMI
BIOS memory size	64 Mbit	64 Mbit
Weight & dimensions1 differ
Width	244 mm	244 mm
DepthDiffers	228.6 mm	218 mm
Packaging contentidentical
Drivers included	Yes	Yes
Other features2 differ
Floppy disk drive connector	Yes	Yes
Graphics controllerDiffers	Nvidia Geforce 7	NVIDIA GeForce
Manageability featuresDiffers	WfM 2.0, DMI 2.0, WOR by Ring, PME Wake Up,WO_USB,WO_KB/MS	DMI v2.0, Wfm2.0, ACPI v2.0A, smbios V2.5, CrashFree BIOS 3, EZ FLASH 2, My logo2(256 color)
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	512 MB

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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