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Product comparison · 2 motherboards

GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX vs GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX

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  • 64specifications compared
  • 23differ
  • 41identical
  • 51known for one product only

Key differences

The GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more memory slots than the GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX (4 vs 2). The GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has 16 GB more maximum internal memory than the GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX (32 GB vs 16 GB). The GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more USB 2.0 connectors than the GIGABYTE GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX (4 vs 2). Only the GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has S/PDIF out connector. Only the GIGABYTE GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX has S/PDIF out port.

  • Number of memory slots
    • 2
    • 4
  • Supported memory clock speeds
    • 1333,1600 MHz
    • 1333,1600,3000 MHz
  • Maximum internal memory
    • 16 GB
    • 32 GB
  • USB 2.0 connectors
    • 2
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 1
    • 2
  • S/PDIF out connector
    • No
    • Yes
  • Number of chassis fan connectors
    • 1
    • 7
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 4
    • 6

Side by side

Differences highlightedShow differences only
115 specifications
A

GIGABYTE

GA-H87M-HD3 motherboard Intel® H87 LGA 1150 (Socket H3) micro ATX

Model GA-H87M-HD3

View product
B

GIGABYTE

GA-Z87X-OC motherboard Intel® Z87 LGA 1150 (Socket H3) ATX

Model GA-Z87X-OC

View product
Processoridentical
Supported processor socketsKnown for oneLGA 1150 (Socket H3)
Memory3 differ
Number of memory slotsDiffers24
Supported memory clock speedsDiffers1333,1600 MHz1333,1600,3000 MHz
Maximum internal memoryDiffers16 GB32 GB
Unbuffered memoryKnown for oneYes
Graphics1 differ
Parallel processing technology supportDiffersNot supported2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX, 4-Way CrossFireX
Graphics card familyKnown for oneIntel
HDCPKnown for oneYes
Internal I/O4 differ
USB 2.0 connectorsDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
Number of SATA connectorsKnown for one6
S/PDIF out connectorDiffersNoYes
CD/AUX audio inKnown for oneNo
Power fan connectorKnown for oneNo
Number of chassis fan connectorsDiffers17
Chassis intrusion connectorKnown for oneYes
Number of COM connectorsKnown for oneNo
Number of IEEE1394 connectorsKnown for one0
Parallel connectorKnown for oneNo
TPM connectorKnown for oneNo
Number of EATX power connectorsKnown for one1
EPS power connector (8-pin)Known for oneYes
Rear panel I/O ports6 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers46
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers12
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for one0
DisplayPorts quantityDiffers01
S/PDIF out portDiffersNoYes
Digital audio optical outKnown for one0
Thunderbolt ports quantityKnown for one0
COM ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
Modem (RJ-11) portsKnown for one0
Headphone outputsKnown for one6
Networkidentical
Wi-FiKnown for oneNo
BluetoothKnown for oneNo
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Motherboard chipsetDiffersIntel® H87Intel® Z87
Audio chipDiffersRealtek ALC887Realtek ALC892
PC health monitoringKnown for oneCPU, Fan, Temperature
Cooling typeKnown for onePassive
Expansion slots2 differ
PCI Express x1 (Gen 2.x) slotsKnown for one2
PCI Express x16 slotsDiffers14
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slotsDiffers12
PCI Express x1 slotsKnown for one1
PCI Express configurationsKnown for one1x8, 1x16, 2x4
PCI Express slots versionKnown for one2.0, 3.0
BIOS1 differ
BIOS typeDiffersUEFIEFI AMI
BIOS memory sizeKnown for one16 Mbit
Clear CMOS buttonKnown for oneYes
Processor special featuresidentical
Trusted Platform Module (TPM)Known for oneNo
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers174 mm244 mm
Packaging contentidentical
Drivers includedKnown for oneYes
Bundled softwareKnown for oneIntel Rapid Start Technology Intel Smart Connect Technology Intel Smart Response Technology Intel Small Business Advantage Norton Internet Security
Cables includedKnown for oneSATA
Other features1 differ
mSATA ports quantityKnown for one0
S/PDIF in connectorDiffersNoYes
S/PDIF in portKnown for oneNo
Audio Modem Rise (AMR) slotKnown for oneNo
CF card connectorKnown for oneNo
CNR slotKnown for oneNo
Dual Power System (DPS) slotKnown for oneNo
EZ plug connectorKnown for oneNo
Floppy disk drive connectorKnown for oneNo
GAME/MIDI connectorKnown for oneNo
IPMI 2.0 slotKnown for oneNo
Parallel port via internal headerKnown for oneYes
eSATA/USB 2.0 ports quantityKnown for one0
PCI Express power connectors (6-pin)Known for one1
Serial port via internal headerKnown for oneYes

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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