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Product comparison · 2 motherboards

GIGABYTE GA-H55-UD3H motherboard LGA 1156 (Socket H) ATX vs GIGABYTE GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX

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  • 37specifications compared
  • 14differ
  • 23identical
  • 16known for one product only

Key differences

  • USB 2.0 connectors
    • 4
    • 2
  • Number of SATA connectors
    • 6
    • 8
  • eSATA ports quantity
    • 0
    • 2
  • Firewire (IEEE 1394) ports
    • 0
    • 2
  • VGA (D-Sub) ports quantity
    • 1
    • 0
  • HDMI ports quantity
    • 1
    • 0
  • DVI-D ports quantity
    • 1
    • 0
  • Headphone outputs
    • 1
    • 6

Side by side

Differences highlightedShow differences only
53 specifications
A

GIGABYTE

GA-H55-UD3H motherboard LGA 1156 (Socket H) ATX

Model GA-H55-UD3H

View product
B

GIGABYTE

GA-P55A-UD4 motherboard Intel® P55 LGA 1156 (Socket H) ATX

Model GA-P55A-UD4

View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1156 (Socket H)LGA 1156 (Socket H)
Memoryidentical
Number of memory slots44
ECC сompatibilityNon-ECCNon-ECC
Maximum internal memory16 GB16 GB
Memory voltageKnown for one1.5 V
Internal I/O2 differ
USB 2.0 connectorsDiffers42
Number of SATA connectorsDiffers68
Number of Parallel ATA connectors11
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
CD/AUX audio inYesYes
ATX Power connector (24-pin)YesYes
Power fan connectorKnown for oneYes
CPU fan connectorYesYes
Chassis intrusion connectorKnown for oneYes
Number of COM connectorsKnown for one1
Number of IEEE1394 connectorsKnown for one1
Rear panel I/O ports6 differ
USB 2.0 ports quantity88
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers02
PS/2 ports quantity11
Firewire (IEEE 1394) portsDiffers02
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers10
DVI-D ports quantityDiffers10
Headphone outputsDiffers16
Microphone inYesYes
S/PDIF out portYesYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
Network1 differ
Networking featuresDiffers10/100/1000 Mbit/s10/100/1000 Mbit
Features1 differ
Motherboard form factorATXATX
Audio chipRealtek ALC889Realtek ALC889
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsDiffersMicrosoft Windows 7/Vista/XPWin 7, Vista, XP
Motherboard chipsetKnown for oneIntel® P55
Expansion slots3 differ
PCI Express x1 slotsDiffers13
PCI Express x4 slotsKnown for one1
PCI Express x16 slotsDiffers12
PCI slotsDiffers42
BIOSidentical
BIOS typeKnown for oneAWARD
ACPI versionKnown for one1.0b
BIOS memory sizeKnown for one32 Mbit
Weight & dimensions1 differ
Width305 mm305 mm
DepthDiffers210 mm244 mm
Other featuresidentical
S/PDIF in portYesYes
Controller 2nd interface typeKnown for oneATA-133/100/66/33
Controller interface typeKnown for oneSATA2
Floppy disk drive connectorYesYes
S/PDIF in connectorKnown for oneYes
Storage controllersidentical
RAID levelsKnown for one0, 1, 10
Packaging contentidentical
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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