Product comparison · 2 motherboards

ASUS M4A78-EM AMD vs ASUS M4A78-VM AMD

50specifications compared
6differ
44identical
0known for one product only

Key differences

Number of memory slots
- M4A78-EM AMD:4
- M4A78-VM AMD:2
Maximum internal memory
- M4A78-EM AMD:16 GB
- M4A78-VM AMD:8 GB
RAID levels
- M4A78-EM AMD:0, 1, 10, JBOD
- M4A78-VM AMD:0, 1, 0+1
Number of SATA connectors
- M4A78-EM AMD:5
- M4A78-VM AMD:6
eSATA ports quantity
- M4A78-EM AMD:1
- M4A78-VM AMD:0
Depth
- M4A78-EM AMD:244 mm
- M4A78-VM AMD:224 mm

Side by side

Differences highlightedShow differences only

Comparison of M4A78-EM, M4A78-VM
50 specifications	A ASUS M4A78-EM AMD Model M4A78-EM View product	B ASUS M4A78-VM AMD Model M4A78-VM View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM2	Socket AM2
Compatible processor series	AMD Phenom X3, AMD Phenom X4	AMD Phenom X3, AMD Phenom X4
Memory2 differ
Number of memory slotsDiffers	4	2
ECC сompatibility	ECC & Non-ECC	ECC & Non-ECC
Maximum internal memoryDiffers	16 GB	8 GB
Storage controllers1 differ
RAID levelsDiffers	0, 1, 10, JBOD	0, 1, 0+1
Graphicsidentical
Maximum graphics card memory	256 MB	256 MB
Internal I/O1 differ
USB 2.0 connectors	3	3
Number of SATA connectorsDiffers	5	6
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
CPU fan connector	Yes	Yes
Number of chassis fan connectors	1	1
Chassis intrusion connector	Yes	Yes
Number of COM connectors	1	1
Rear panel I/O ports1 differ
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
eSATA ports quantityDiffers	1	0
PS/2 ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
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
Featuresidentical
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset	AMD 780G	AMD 780G
Audio chip	Realtek ALC887	Realtek ALC887
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
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	244 mm	224 mm
Packaging contentidentical
Drivers included	Yes	Yes
Bundled software	- ASUS PC Probe II - ASUS LiveUpdate Utility	- ASUS PC Probe II - ASUS LiveUpdate Utility
Other featuresidentical
Controller 2nd interface type	UltraDMA 133/100	UltraDMA 133/100
Controller interface type	SATA 3 Gb/s	SATA 3 Gb/s
Graphics controller	ATI Radeon HD3200	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.

More motherboard comparisons

All motherboard comparisons