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Product comparison · 2 motherboards

ASUS Maximus III Extreme vs ASUS P7H55D-M PRO

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  • 28specifications compared
  • 16differ
  • 12identical
  • 12known for one product only

Key differences

  • USB 2.0 connectors
    • 2
    • 3
  • Number of SATA connectors
    • 9
    • 6
  • USB 2.0 ports quantity
    • 7
    • 6
  • eSATA ports quantity
    • 1
    • 0
  • Firewire (IEEE 1394) ports
    • 1
    • 0
  • VGA (D-Sub) ports quantity
    • 0
    • 1
  • HDMI ports quantity
    • 0
    • 1
  • DVI-D ports quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
40 specifications
A

ASUS

Maximus III ExtremeView product
B

ASUS

P7H55D-M PROView product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1156 (Socket H)LGA 1156 (Socket H)
Memoryidentical
Number of memory slots44
Maximum internal memory16 GB16 GB
ECC сompatibilityKnown for oneNon-ECC
Graphicsidentical
Maximum graphics card memoryKnown for one1748 MB
On-board graphics cardKnown for oneYes
Internal I/O2 differ
USB 2.0 connectorsDiffers23
Number of SATA connectorsDiffers96
Number of Parallel ATA connectorsKnown for one1
S/PDIF out connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of COM connectorsKnown for one1
Number of IEEE1394 connectorsKnown for one1
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers76
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers10
PS/2 ports quantity11
Firewire (IEEE 1394) portsDiffers10
VGA (D-Sub) ports quantityDiffers01
HDMI ports quantityDiffers01
DVI-D ports quantityDiffers01
Digital audio optical outKnown for one1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
Networkidentical
LAN controllerRealtek RTL8112LRealtek RTL8112L
Networking features10/100/1000 Mbps10/100/1000 Mbps
Features3 differ
Motherboard form factorDiffersATXmicro ATX
Audio chipDiffersVIA VT2020Realtek ALC892
Audio output channelsDiffers7.1+2 channels7.1 channels
Power source typeATXATX
Compatible operating systemsKnown for oneDDR3 2133/ 1333 / 1066
Motherboard chipsetKnown for oneIntel® P55
Expansion slots1 differ
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsDiffers51
PCI slotsKnown for one2
BIOS1 differ
BIOS memory sizeDiffers16 Mbit64 Mbit
Weight & dimensions2 differ
WidthDiffers305 mm245 mm
DepthDiffers244 mm245 mm
Other features1 differ
Manageability featuresDiffersPME,WOR by PME,PXEWfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE

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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