Product comparison · 2 motherboards

ASUS M3A76-CM Socket AM2 micro ATX vs ASUS M4A78-EM AMD

Key differences

Compatible processor series
- M3A76-CM Socket AM2 micro ATX:AMD Phenom, AMD Phenom FX
- M4A78-EM AMD:AMD Phenom X3, AMD Phenom X4
Maximum internal memory
- M3A76-CM Socket AM2 micro ATX:8 GB
- M4A78-EM AMD:16 GB
RAID levels
- M3A76-CM Socket AM2 micro ATX:0, 1, 0+1, JBOD
- M4A78-EM AMD:0, 1, 10, JBOD
Number of SATA connectors
- M3A76-CM Socket AM2 micro ATX:6
- M4A78-EM AMD:5
eSATA ports quantity
- M3A76-CM Socket AM2 micro ATX:0
- M4A78-EM AMD:1
HDMI ports quantity
- M3A76-CM Socket AM2 micro ATX:0
- M4A78-EM AMD:1
Controller 2nd interface type
- M3A76-CM Socket AM2 micro ATX:UltraDMA 133/100/66/33
- M4A78-EM AMD:UltraDMA 133/100
Graphics controller
- M3A76-CM Socket AM2 micro ATX:ATI Radeon 3000
- M4A78-EM AMD:ATI Radeon HD3200

Differences highlightedShow differences only

Comparison of M3A76-CM, M4A78-EM
51 specifications	A ASUS M3A76-CM Socket AM2 micro ATX Model M3A76-CM View product	B ASUS M4A78-EM AMD Model M4A78-EM View product
Processor1 differ
Compatible processor seriesDiffers	AMD Phenom, AMD Phenom FX	AMD Phenom X3, AMD Phenom X4
Memory1 differ
Maximum internal memoryDiffers	8 GB	16 GB
Storage controllers1 differ
RAID levelsDiffers	0, 1, 0+1, JBOD	0, 1, 10, JBOD
Internal I/O1 differ
Number of SATA connectorsDiffers	6	5
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports2 differ
eSATA ports quantityDiffers	0	1
HDMI ports quantityDiffers	0	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Networkidentical
LAN controllerKnown for one	Realtek RTL8111C	Unknown — not stated by the source
Featuresidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	AMD 780G
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC887
Packaging content1 differ
Bundled softwareDiffers	- ASUS PC Probe II - ASUS LiveUpdate	- ASUS PC Probe II - ASUS LiveUpdate Utility
Other features2 differ
Controller 2nd interface typeDiffers	UltraDMA 133/100/66/33	UltraDMA 133/100
Graphics controllerDiffers	ATI Radeon 3000	ATI Radeon HD3200

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.