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Product comparison · 2 motherboards

GIGABYTE GA-H55M-USB3 motherboard LGA 1156 (Socket H) micro ATX vs GIGABYTE GA-P55-USB3 motherboard Intel® P55 LGA 1156 (Socket H) ATX

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  • 37specifications compared
  • 15differ
  • 22identical
  • 14known for one product only

Key differences

  • RAID levels
    • 0, 1, JBOD
    • 0, 1, 5, 10, JBOD
  • USB 2.0 connectors
    • 3
    • 2
  • Number of SATA connectors
    • 7
    • 8
  • USB 2.0 ports quantity
    • 6
    • 8
  • eSATA ports quantity
    • 1
    • 0
  • Firewire (IEEE 1394) ports
    • 1
    • 0
  • VGA (D-Sub) ports quantity
    • 1
    • 0
  • HDMI ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
51 specifications
A

GIGABYTE

GA-H55M-USB3 motherboard LGA 1156 (Socket H) micro ATX

Model GA-H55M-USB3

View product
B

GIGABYTE

GA-P55-USB3 motherboard Intel® P55 LGA 1156 (Socket H) ATX

Model GA-P55-USB3

View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1156 (Socket H)LGA 1156 (Socket H)
Memoryidentical
Number of memory slots44
Memory voltage1.5 V1.5 V
ECC сompatibilityNon-ECCNon-ECC
Maximum internal memory16 GB16 GB
Storage controllers1 differ
RAID levelsDiffers0, 1, JBOD0, 1, 5, 10, JBOD
Internal I/O2 differ
USB 2.0 connectorsDiffers32
Number of SATA connectorsDiffers78
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 connectorsKnown for one1
Power fan connectorKnown for oneYes
CPU fan connectorKnown for oneYes
Number of IEEE1394 connectorsKnown for one1
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers68
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers10
PS/2 ports quantity11
Firewire (IEEE 1394) portsDiffers10
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers10
DVI-D ports quantityDiffers10
Headphone outputs66
Microphone inYesYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
Network1 differ
Networking featuresDiffers10/100/1000 MbpsGigabit Ethernet
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetKnown for oneIntel® P55
Audio chipDiffersRealtek ALC889Realtek ALC888
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsDiffersWin XP, Vista, 7Windows 7/Vista/XP
Expansion slots1 differ
PCI Express x1 slotsKnown for one2
PCI Express x16 slots22
PCI slotsDiffers23
BIOSidentical
BIOS memory sizeKnown for one32 Mbit
BIOS typeKnown for oneAWARD
Weight & dimensions1 differ
WidthDiffers244 mm305 mm
Depth244 mm244 mm
Other featuresidentical
S/PDIF in connectorYesYes
Controller interface typeKnown for oneiTE IT8720
Floppy disk drive connectorYesYes
Graphicsidentical
On-board graphics cardKnown for oneYes
Packaging contentidentical
Drivers includedKnown for oneYes
Bundled softwareKnown for oneNorton Internet Security

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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