Product comparison · 2 motherboards

ASUS M3A76-CM Socket AM2 micro ATX vs ASUS M4N78 Socket AM2 ATX

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  • 44specifications compared
  • 14differ
  • 30identical
  • 9known for one product only

Key differences

  • Compatible processor series
    • M3A76-CM Socket AM2 micro ATX:AMD Phenom, AMD Phenom FX
    • M4N78 Socket AM2 ATX:AMD Phenom X3, AMD Phenom X4
  • Maximum internal memory
    • M3A76-CM Socket AM2 micro ATX:8 GB
    • M4N78 Socket AM2 ATX:16 GB
  • RAID levels
    • M3A76-CM Socket AM2 micro ATX:0, 1, 0+1, JBOD
    • M4N78 Socket AM2 ATX:0, 1, 0+1, 5, JBOD
  • Number of SATA connectors
    • M3A76-CM Socket AM2 micro ATX:6
    • M4N78 Socket AM2 ATX:5
  • eSATA ports quantity
    • M3A76-CM Socket AM2 micro ATX:0
    • M4N78 Socket AM2 ATX:1
  • VGA (D-Sub) ports quantity
    • M3A76-CM Socket AM2 micro ATX:1
    • M4N78 Socket AM2 ATX:0
  • DVI-D ports quantity
    • M3A76-CM Socket AM2 micro ATX:1
    • M4N78 Socket AM2 ATX:0
  • LAN controller
    • M3A76-CM Socket AM2 micro ATX:Realtek RTL8111C
    • M4N78 Socket AM2 ATX:Realtek RTL8211CL

Side by side

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Comparison of M3A76-CM, M4N78
53 specifications
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM2Socket AM2
Compatible processor seriesDiffersAMD Phenom, AMD Phenom FXAMD Phenom X3, AMD Phenom X4
Processor system buses supportedKnown for oneUnknown — not stated by the source1600 MHz
Memory1 differ
Number of memory slots44
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Maximum internal memoryDiffers8 GB16 GB
Storage controllers1 differ
RAID levelsDiffers0, 1, 0+1, JBOD0, 1, 0+1, 5, JBOD
Internal I/O1 differ
USB 2.0 connectors33
Number of SATA connectorsDiffers65
Number of Parallel ATA connectors11
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
CD/AUX audio inYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
Power fan connectorKnown for oneUnknown — not stated by the sourceYes
CPU fan connectorYesYes
Number of chassis fan connectors11
Chassis intrusion connectorYesYes
Number of COM connectorsKnown for one1Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantity66
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers01
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity00
DVI-D ports quantityDiffers10
Headphone outputs11
Microphone inYesYes
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
COM ports quantityKnown for oneUnknown — not stated by the source1
Parallel ports quantityKnown for oneUnknown — not stated by the source1
Network1 differ
LAN controllerDiffersRealtek RTL8111CRealtek RTL8211CL
Networking featuresGigabit EthernetGigabit Ethernet
Features1 differ
Motherboard form factorDiffersmicro ATXATX
Audio chipKnown for oneUnknown — not stated by the sourceRealtek ALC887
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Expansion slots2 differ
PCI Express x1 slotsDiffers12
PCI Express x16 slots11
PCI slotsDiffers23
BIOSidentical
BIOS typeAMIAMI
BIOS memory size64 Mbit64 Mbit
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers244 mm208 mm
Packaging content1 differ
Drivers includedYesYes
Bundled softwareDiffers- ASUS PC Probe II - ASUS LiveUpdate- ASUS PC Probe II - Express Gate Driver - ASUS Update
Other featuresidentical
Controller 2nd interface typeUltraDMA 133/100/66/33UltraDMA 133/100/66/33
Controller interface typeSATA 3 Gb/sSATA 3 Gb/s
Graphics controllerKnown for oneATI Radeon 3000Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for one256 MBUnknown — 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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