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
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:16 GB
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:8 GB
  • Number of SATA connectors
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:6
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:4
  • USB 2.0 ports quantity
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:8
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:4
  • eSATA ports quantity
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:0
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:1
  • PS/2 ports quantity
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:2
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:1
  • HDMI ports quantity
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:0
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:1
  • Headphone outputs
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:3
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:1
  • Networking features
    • GA-H55M-S2 motherboard LGA 1156 (Socket H) micro ATX:Gigabit Ethernet
    • GA-H55N-USB3 motherboard LGA 1156 (Socket H) mini ITX:Realtek RTL8111E

Side by side

Differences highlightedShow differences only (on)
Comparison of GA-H55M-S2, GA-H55N-USB3
43 specifications
Memory1 differ
Memory voltageKnown for one1.5 VUnknown — not stated by the source
Maximum internal memoryDiffers16 GB8 GB
ECC сompatibilityKnown for oneUnknown — not stated by the sourceNon-ECC
Internal I/O1 differ
Number of SATA connectorsDiffers64
Number of EATX power connectorsKnown for one1Unknown — not stated by the source
S/PDIF out connectorKnown for oneUnknown — not stated by the sourceYes
Power fan connectorKnown for oneUnknown — not stated by the sourceYes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers84
eSATA ports quantityDiffers01
PS/2 ports quantityDiffers21
HDMI ports quantityDiffers01
Headphone outputsDiffers31
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for oneUnknown — not stated by the source2
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
Network1 differ
LAN controllerKnown for oneRealtek RTL8111EUnknown — not stated by the source
Networking featuresDiffersGigabit EthernetRealtek RTL8111E
Features2 differ
Motherboard form factorDiffersmicro ATXmini ITX
Audio chipDiffersRealtek ALC888BRealtek ALC892R
Compatible operating systemsKnown for oneUnknown — not stated by the sourceMicrosoft Windows 7/Vista/XP
Expansion slotsidentical
PCI Express x1 slotsKnown for one1Unknown — not stated by the source
PCI slotsKnown for one2Unknown — not stated by the source
BIOS1 differ
BIOS typeDiffersAWARDAMI
BIOS memory sizeKnown for one16 MbitUnknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers210 mm170 mm
Other featuresidentical
Controller interface typeKnown for oneiTE IT8720Unknown — not stated by the source

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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