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Product comparison · 2 motherboards

GIGABYTE GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX vs GIGABYTE GA-P55A-UD4P motherboard Intel® P55 LGA 1156 (Socket H) ATX

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  • 50specifications compared
  • 7differ
  • 43identical
  • 5known for one product only

Key differences

  • Number of IEEE1394 connectors
    • 0
    • 1
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • eSATA ports quantity
    • 0
    • 2
  • Firewire (IEEE 1394) ports
    • 0
    • 2
  • Audio chip
    • Realtek ALC888
    • Realtek ALC889
  • PCI Express x1 slots
    • 2
    • 3
  • PCI slots
    • 3
    • 2

Side by side

Differences highlightedShow differences only
55 specifications
A

GIGABYTE

GA-P55A-UD3 motherboard Intel® P55 LGA 1156 (Socket H) ATX

Model GA-P55A-UD3

View product
B

GIGABYTE

GA-P55A-UD4P motherboard Intel® P55 LGA 1156 (Socket H) ATX

Model GA-P55A-UD4P

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 сompatibilityKnown for oneNon-ECC
Maximum internal memory16 GB16 GB
Storage controllersidentical
RAID levels0, 1, 100, 1, 10
Internal I/O1 differ
USB 2.0 connectors22
Number of SATA connectors88
S/PDIF out connectorYesYes
Front panel audio connectorKnown for oneYes
CD/AUX audio inYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors00
Power fan connectorYesYes
CPU fan connectorYesYes
Number of IEEE1394 connectorsDiffers01
Rear panel I/O ports3 differ
USB 2.0 ports quantity88
Ethernet LAN (RJ-45) portsDiffers12
eSATA ports quantityDiffers02
PS/2 ports quantity11
Firewire (IEEE 1394) portsDiffers02
VGA (D-Sub) ports quantity00
HDMI ports quantity00
DVI-D ports quantity00
Headphone outputs66
Microphone inYesYes
S/PDIF out portYesYes
COM ports quantity00
WiFi-AP antenna jack00
Modem (RJ-11) ports00
Networkidentical
Networking features10/100/1000 Mbit10/100/1000 Mbit
Features1 differ
Motherboard form factorATXATX
Motherboard chipsetIntel® P55Intel® P55
Audio chipDiffersRealtek ALC888Realtek ALC889
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsWin XP, Vista, 7Win XP, Vista, 7
Overclocking featuresPnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0bPnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Expansion slots2 differ
PCI Express x1 slotsDiffers23
PCI Express x16 slots22
PCI slotsDiffers32
BIOSidentical
BIOS memory size32 Mbit32 Mbit
Weight & dimensionsidentical
Width305 mm305 mm
Depth244 mm244 mm
Packaging contentidentical
Drivers includedYesYes
Bundled softwareNorton Internet SecurityNorton Internet Security
Other featuresidentical
S/PDIF in connectorYesYes
S/PDIF in portKnown for oneYes
Controller 2nd interface typeATA-133/100/66/33ATA-133/100/66/33
Controller interface typeiTE IT8720iTE IT8720
Floppy disk drive connectorYesYes
Special features@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2
AGP x4 slotsKnown for one0
AGP x8 slotsKnown for one0

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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