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Product comparison · 2 motherboards

GIGABYTE GA-Z270-Gaming K3 vs GIGABYTE GA-Z270X-Gaming K5

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  • 63specifications compared
  • 4differ
  • 59identical
  • 0known for one product only

Key differences

  • Number of SATA Express connectors
    • 2
    • 3
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 4
    • 3
  • Number of M.2 (M) slots
    • 1
    • 2
  • BIOS memory size
    • 128 Mbit
    • 64 Mbit

Side by side

Differences highlightedShow differences only
63 specifications
A

GIGABYTE

GA-Z270-Gaming K3View product
B

GIGABYTE

GA-Z270X-Gaming K5View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1151 (Socket H4)LGA 1151 (Socket H4)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Memoryidentical
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3300,3333,3400,3466,3600,3666,3733,3800,3866 MHz2133,2400,2666,2800,3000,3200,3300,3333,3400,3466,3600,3666,3733,3800,3866 MHz
Maximum internal memory64 GB64 GB
Supported memory module capacities16GB16GB
Unbuffered memoryYesYes
Storage controllersidentical
Supported storage drive typesHDD & SSDHDD & SSD
RAID levels0, 1, 5, 100, 1, 5, 10
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors22
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors66
Number of SATA II connectors00
Number of SATA Express connectorsDiffers23
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
EPS power connector (8-pin)YesYes
Serial port headers11
TPM connectorYesYes
Rear panel I/O ports1 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers43
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity11
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity11
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
DVI-D ports quantity11
Headphone outputs11
Microphone inYesYes
Networkidentical
Ethernet LANYesYes
Featuresidentical
Component forPCPC
Motherboard form factorATXATX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel® Z270Intel® Z270
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Linux operating systems supportedYesYes
Windows operating systems supportedWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, WindowsWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows
Expansion slots1 differ
PCI Express x1 slots33
PCI Express x16 slots33
Number of M.2 (M) slotsDiffers12
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers128 Mbit64 Mbit
ACPI version5.05.0
Clear CMOS jumperYesYes
Processor special featuresidentical
Intel® Optane™ Memory ReadyYesYes
Weight & dimensionsidentical
Width244 mm244 mm
Depth305 mm305 mm
Other featuresidentical
Parallel port via internal headerYesYes
Serial port via internal headerYesYes

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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