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Product comparison · 2 motherboards

GIGABYTE P55-UD3 Intel® P55 LGA 1156 (Socket H) ATX vs GIGABYTE P55-UD4 Intel® P55 LGA 1156 (Socket H) ATX

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  • 48specifications compared
  • 6differ
  • 42identical
  • 4known for one product only

Key differences

  • Number of IEEE1394 connectors
    • 0
    • 1
  • eSATA ports quantity
    • 0
    • 2
  • Firewire (IEEE 1394) ports
    • 0
    • 2
  • PCI Express x1 slots
    • 2
    • 3
  • PCI slots
    • 3
    • 2

Side by side

Differences highlightedShow differences only
52 specifications
A

GIGABYTE

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

Model P55-UD3

View product
B

GIGABYTE

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

Model P55-UD4

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
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
CD/AUX audio inYesYes
ATX Power connector (24-pin)Known for oneYes
Number of EATX power connectorsKnown for one0
Power fan connectorYesYes
CPU fan connectorYesYes
Number of IEEE1394 connectorsDiffers01
Rear panel I/O ports2 differ
USB 2.0 ports quantity1010
Ethernet LAN (RJ-45) ports11
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) portsKnown for one0
Networkidentical
Networking features10/100/1000 Mbit10/100/1000 Mbit
Featuresidentical
Motherboard form factorATXATX
Motherboard chipsetIntel® P55Intel® P55
Audio chipRealtek ALC888Realtek ALC888
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsWin XP, Vista, 7Win XP, Vista, 7
Overclocking featuresKnown for onenP 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 features1 differ
S/PDIF in connectorYesYes
Controller 2nd interface typeATA-133/100/66/33ATA-133/100/66/33
Controller interface typeiTE IT8720iTE IT8720
AGP x4 slots00
AGP x8 slots00
Floppy disk drive connectorYesYes
Special featuresDiffers@BIOS Q-Flash Xpress BIOS Rescue Download Center@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2

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