Product comparison · 2 motherboards

ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX vs ASUS M3N78-EM motherboard Socket AM2 micro ATX

42specifications compared
9differ
33identical
10known for one product only

Key differences

The ASUS M3N78-EM motherboard Socket AM2 micro ATX has 3 more USB 2.0 connectors than the ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX (6 vs 3). The ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX has 1 more chassis fan connectors than the ASUS M3N78-EM motherboard Socket AM2 micro ATX (2 vs 1). The ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX has 2 more PCI Express x16 slots than the ASUS M3N78-EM motherboard Socket AM2 micro ATX (3 vs 1). RAID levels: 1, 5, 10 on the ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX, 0, 1, 0+1, 5, JBOD on the ASUS M3N78-EM motherboard Socket AM2 micro ATX. Motherboard form factor: ATX on the ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX, micro ATX on the ASUS M3N78-EM motherboard Socket AM2 micro ATX.

RAID levels
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:1, 5, 10
- M3N78-EM motherboard Socket AM2 micro ATX:0, 1, 0+1, 5, JBOD
USB 2.0 connectors
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:3
- M3N78-EM motherboard Socket AM2 micro ATX:6
Number of chassis fan connectors
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:2
- M3N78-EM motherboard Socket AM2 micro ATX:1
Motherboard form factor
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:ATX
- M3N78-EM motherboard Socket AM2 micro ATX:micro ATX
Audio chip
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:Realtek ALC1200
- M3N78-EM motherboard Socket AM2 micro ATX:Realtek ALC120
PCI Express x16 slots
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:3
- M3N78-EM motherboard Socket AM2 micro ATX:1
Width
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:305 mm
- M3N78-EM motherboard Socket AM2 micro ATX:244 mm
Depth
- M3A78-T motherboard AMD 790GX Socket AM2 ATX:245 mm
- M3N78-EM motherboard Socket AM2 micro ATX:244 mm

Side by side

Differences highlightedShow differences only

Comparison of M3A78-T, M3N78-EM
52 specifications	A ASUS M3A78-T motherboard AMD 790GX Socket AM2 ATX Model M3A78-T 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 memoryKnown for one	Unknown — not stated by the source	8 GB
Storage controllers1 differ
RAID levelsDiffers	1, 5, 10	0, 1, 0+1, 5, JBOD
Internal I/O2 differ
USB 2.0 connectorsDiffers	3	6
Number of SATA connectors	5	5
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
Number of EATX power connectors	1	1
Power fan connector	Yes	Yes
Number of chassis fan connectorsDiffers	2	1
Chassis intrusion connector	Yes	Yes
Number of COM connectorsKnown for one	Unknown — not stated by the source	1
Number of IEEE1394 connectors	1	1
CPU fan connectorKnown for one	Yes	Unknown — not stated by the source
Rear panel I/O portsidentical
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) ports	1	1
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
S/PDIF out port	Yes	Yes
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Features2 differ
Motherboard form factorDiffers	ATX	micro ATX
Audio chipDiffers	Realtek ALC1200	Realtek ALC120
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Motherboard chipsetKnown for one	AMD 790GX	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slots	1	1
PCI Express x16 slotsDiffers	3	1
PCI slots	2	2
BIOSidentical
BIOS memory size	64 Mbit	64 Mbit
Weight & dimensions2 differ
WidthDiffers	305 mm	244 mm
DepthDiffers	245 mm	244 mm
Packaging content1 differ
Drivers included	Yes	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Anti-Virus
Bundled softwareDiffers	Express Gate ASUS PC Probe II ASUS Update AMD AOD	Express Gate ASUS PC Probe II ASUS Update
Other featuresidentical
Floppy disk drive connector	Yes	Yes
Graphics controllerKnown for one	Unknown — not stated by the source	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	128 MB	Unknown — not stated by the source
Graphics cardKnown for one	Radeon HD 3300	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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