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Product comparison · 2 motherboards

GIGABYTE GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX vs GIGABYTE GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX

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  • 30specifications compared
  • 13differ
  • 17identical
  • 13known for one product only

Key differences

  • Maximum internal memory
    • 16 GB
    • 8 GB
  • Number of SATA connectors
    • 6
    • 4
  • USB 2.0 ports quantity
    • 8
    • 4
  • eSATA ports quantity
    • 0
    • 1
  • PS/2 ports quantity
    • 2
    • 1
  • HDMI ports quantity
    • 0
    • 1
  • Headphone outputs
    • 3
    • 1
  • Networking features
    • Gigabit Ethernet
    • Realtek RTL8111E

Side by side

Differences highlightedShow differences only
43 specifications
A

GIGABYTE

GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX

Model GA-H55M-S2

View product
B

GIGABYTE

GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX

Model GA-H55N-USB3

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Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1156 (Socket H)LGA 1156 (Socket H)
Memory1 differ
Number of memory slots22
Memory voltageKnown for one1.5 V
Maximum internal memoryDiffers16 GB8 GB
ECC сompatibilityKnown for oneNon-ECC
Internal I/O1 differ
USB 2.0 connectors22
Number of SATA connectorsDiffers64
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectorsKnown for one1
CPU fan connectorYesYes
S/PDIF out connectorKnown for oneYes
Power fan connectorKnown for oneYes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers84
Ethernet LAN (RJ-45) ports11
eSATA ports quantityDiffers01
PS/2 ports quantityDiffers21
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers01
DVI-D ports quantity00
Headphone outputsDiffers31
Microphone inYesYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
S/PDIF out portKnown for oneYes
Network1 differ
LAN controllerKnown for oneRealtek RTL8111E
Networking featuresDiffersGigabit EthernetRealtek RTL8111E
Features2 differ
Motherboard form factorDiffersmicro ATXmini ITX
Audio chipDiffersRealtek ALC888BRealtek ALC892R
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Compatible operating systemsKnown for oneMicrosoft Windows 7/Vista/XP
Expansion slotsidentical
PCI Express x1 slotsKnown for one1
PCI Express x16 slots11
PCI slotsKnown for one2
BIOS1 differ
BIOS typeDiffersAWARDAMI
BIOS memory sizeKnown for one16 Mbit
ACPI version1.01.0
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers210 mm170 mm
Packaging contentidentical
Drivers includedYesYes
Other featuresidentical
Controller interface typeKnown for oneiTE IT8720

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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