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Product comparison · 2 motherboards

GIGABYTE GA-P55-USB3 motherboard Intel® P55 LGA 1156 (Socket H) ATX vs GIGABYTE GA-P55A-UD7 motherboard LGA 1156 (Socket H) ATX

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  • 34specifications compared
  • 11differ
  • 23identical
  • 18known for one product only

Key differences

  • RAID levels
    • 0, 1, 5, 10, JBOD
    • 0, 1, 5, 10
  • Number of SATA connectors
    • 8
    • 10
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • eSATA ports quantity
    • 0
    • 1
  • Firewire (IEEE 1394) ports
    • 0
    • 2
  • Networking features
    • Gigabit Ethernet
    • 10/100/1000 Mbit
  • Audio chip
    • Realtek ALC888
    • Realtek ALC889
  • Compatible operating systems
    • Windows 7/Vista/XP
    • Microsoft Windows 7/Vista/XP

Side by side

Differences highlightedShow differences only
52 specifications
A

GIGABYTE

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

Model GA-P55-USB3

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B

GIGABYTE

GA-P55A-UD7 motherboard LGA 1156 (Socket H) ATX

Model GA-P55A-UD7

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 memoryKnown for one16 GB
Storage controllers1 differ
RAID levelsDiffers0, 1, 5, 10, JBOD0, 1, 5, 10
Internal I/O1 differ
USB 2.0 connectors22
Number of SATA connectorsDiffers810
Number of Parallel ATA connectorsKnown for one1
S/PDIF out connectorYesYes
Front panel audio connectorKnown for oneYes
CD/AUX audio inYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1
Power fan connectorYesYes
CPU fan connectorKnown for oneYes
Number of IEEE1394 connectorsKnown for one1
Rear panel I/O ports3 differ
USB 2.0 ports quantity88
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
Ethernet LAN (RJ-45) portsDiffers12
eSATA ports quantityDiffers01
PS/2 ports quantity11
Firewire (IEEE 1394) portsDiffers02
VGA (D-Sub) ports quantity00
HDMI ports quantity00
DVI-D ports quantity00
Headphone outputs66
Microphone inKnown for oneYes
S/PDIF out portYesYes
Digital audio optical outKnown for one1
Network1 differ
Networking featuresDiffersGigabit Ethernet10/100/1000 Mbit
Features2 differ
Motherboard form factorATXATX
Motherboard chipsetKnown for oneIntel® P55
Audio chipDiffersRealtek ALC888Realtek ALC889
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsDiffersWindows 7/Vista/XPMicrosoft Windows 7/Vista/XP
Expansion slots1 differ
PCI Express x1 slotsDiffers21
PCI Express x16 slots22
PCI slotsKnown for one3
PCI Express x8 slotsKnown for one2
BIOSidentical
BIOS memory sizeKnown for one32 Mbit
BIOS typeKnown for oneAWARD
Weight & dimensions2 differ
WidthDiffers305 mm30.5 mm
DepthDiffers244 mm24.4 mm
Other featuresidentical
S/PDIF in connectorYesYes
Controller interface typeKnown for oneiTE IT8720
Floppy disk drive connectorYesYes
Graphics controllerKnown for one2-Way/3-Way ATI CrossFireX/NVIDIA SLI
I/O portsKnown for oneInternal: 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x IDE connector 3 x system fan headers 1 x Chipset fan header 1 x front panel header 1 x front panel audio header 1 x CD In connector 1 x S/PDIF In header 1 x S/PDIF Out header 1 x serial port header 1 x clearing CMOS
Packaging contentidentical
Bundled softwareKnown for oneNorton Internet Security (OEM version)

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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