Product comparison · 2 motherboards

ASUS M3N78 motherboard Socket AM2 ATX vs ASUS M3N78-EM motherboard Socket AM2 micro ATX

33specifications compared
5differ
28identical
17known for one product only

Key differences

The ASUS M3N78-EM motherboard Socket AM2 micro ATX has 1 more firewire (IEEE 1394) ports than the ASUS M3N78 motherboard Socket AM2 ATX (1 vs 0). The ASUS M3N78 motherboard Socket AM2 ATX has 1 more PCI Express x1 slots than the ASUS M3N78-EM motherboard Socket AM2 micro ATX (2 vs 1). The ASUS M3N78 motherboard Socket AM2 ATX has 61 mm more width than the ASUS M3N78-EM motherboard Socket AM2 micro ATX (305 mm vs 244 mm). Motherboard form factor: ATX on the ASUS M3N78 motherboard Socket AM2 ATX, micro ATX on the ASUS M3N78-EM motherboard Socket AM2 micro ATX.

Firewire (IEEE 1394) ports
- M3N78 motherboard Socket AM2 ATX:0
- M3N78-EM motherboard Socket AM2 micro ATX:1
Motherboard form factor
- M3N78 motherboard Socket AM2 ATX:ATX
- M3N78-EM motherboard Socket AM2 micro ATX:micro ATX
PCI Express x1 slots
- M3N78 motherboard Socket AM2 ATX:2
- M3N78-EM motherboard Socket AM2 micro ATX:1
Width
- M3N78 motherboard Socket AM2 ATX:305 mm
- M3N78-EM motherboard Socket AM2 micro ATX:244 mm
Depth
- M3N78 motherboard Socket AM2 ATX:218 mm
- M3N78-EM motherboard Socket AM2 micro ATX:244 mm

Side by side

Differences highlightedShow differences only

Comparison of M3N78, M3N78-EM
50 specifications	A ASUS M3N78 motherboard Socket AM2 ATX Model M3N78 View product	B ASUS M3N78-EM motherboard Socket AM2 micro ATX Model M3N78-EM View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM2	Socket AM2
Memoryidentical
Number of memory slots	4	4
ECC сompatibility	ECC & Non-ECC	ECC & Non-ECC
Maximum internal memory	8 GB	8 GB
Storage controllersidentical
RAID levels	0, 1, 0+1, 5, JBOD	0, 1, 0+1, 5, JBOD
Internal I/Oidentical
USB 2.0 connectors	6	6
Number of SATA connectors	5	5
Number of Parallel ATA connectorsKnown for one	Unknown — not stated by the source	1
S/PDIF out connectorKnown for one	Unknown — not stated by the source	Yes
Front panel audio connector	Yes	Yes
CD/AUX audio in	Yes	Yes
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
Number of EATX power connectorsKnown for one	Unknown — not stated by the source	1
Power fan connector	Yes	Yes
Number of chassis fan connectors	1	1
Chassis intrusion connector	Yes	Yes
Number of COM connectors	1	1
Number of IEEE1394 connectors	1	1
CPU fan connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O ports1 differ
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantity	1	1
PS/2 ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
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 port	Yes	Yes
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Features1 differ
Motherboard form factorDiffers	ATX	micro ATX
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC120
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Expansion slots1 differ
PCI Express x1 slotsDiffers	2	1
PCI Express x16 slots	1	1
PCI slotsKnown for one	Unknown — not stated by the source	2
BIOSidentical
BIOS memory size	64 Mbit	64 Mbit
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	218 mm	244 mm
Packaging contentidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Anti-Virus
Bundled softwareKnown for one	Unknown — not stated by the source	Express Gate ASUS PC Probe II ASUS Update
Other featuresidentical
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Graphics controller	NVIDIA GeForce 8	NVIDIA GeForce 8
Special featuresKnown for one	Unknown — not stated by the source	ASUS MyLogo 2
Manageability featuresKnown for one	Unknown — not stated by the source	WfM 2.0, DMI 2.0, WOR @ Ring, WOL/WOR @ PME, PX
Graphicsidentical
Maximum graphics card memoryKnown for one	256 MB	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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