Product comparison · 2 motherboards

GIGABYTE GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX vs GIGABYTE GA-Z270X-Gaming K7 (rev. 1.0)

52specifications compared
15differ
37identical
32known for one product only

Key differences

The GIGABYTE GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX has 2 more USB 2.0 connectors than the GIGABYTE GA-Z270X-Gaming K7 (rev. 1.0) (4 vs 2). The GIGABYTE GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX has 2 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the GIGABYTE GA-Z270X-Gaming K7 (rev. 1.0) (4 vs 2). The GIGABYTE GA-Z270X-Gaming K7 (rev. 1.0) has 2 more SATA Express connectors than the GIGABYTE GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX (3 vs 1). ECC сompatibility: Non-ECC on the GIGABYTE GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX, ECC & Non-ECC on the GIGABYTE GA-Z270X-Gaming K7 (rev. 1.0).

ECC сompatibility
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:Non-ECC
- GA-Z270X-Gaming K7 (rev. 1.0):ECC & Non-ECC
USB 2.0 connectors
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:4
- GA-Z270X-Gaming K7 (rev. 1.0):2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:4
- GA-Z270X-Gaming K7 (rev. 1.0):2
Number of SATA Express connectors
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:1
- GA-Z270X-Gaming K7 (rev. 1.0):3
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:0
- GA-Z270X-Gaming K7 (rev. 1.0):1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:0
- GA-Z270X-Gaming K7 (rev. 1.0):1
Ethernet LAN (RJ-45) ports
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:1
- GA-Z270X-Gaming K7 (rev. 1.0):2
VGA (D-Sub) ports quantity
- GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX:1
- GA-Z270X-Gaming K7 (rev. 1.0):0

Side by side

Differences highlightedShow differences only

Comparison of GA-Z270-HD3, GA-Z270X-Gaming K7 (rev. 1.0)
84 specifications	A GIGABYTE GA-Z270-HD3 motherboard Intel® Z270 LGA 1151 (Socket H4) ATX Model GA-Z270-HD3 View product	B GIGABYTE GA-Z270X-Gaming K7 (rev. 1.0)View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor socket	LGA 1151 (Socket H4)	LGA 1151 (Socket H4)
Compatible processor series	Intel® Celeron®, Intel® Pentium®	Intel® Celeron®, Intel® Pentium®
Intel Core i3/i5/i7/i9 seriesKnown for one	Unknown — not stated by the source	i3-7xxx, i5-7xxx, i7-7xxx, i3-6xxx, i5-6xxx, i7-6xxx
Memory2 differ
Supported memory types	DDR4-SDRAM	DDR4-SDRAM
Number of memory slots	4	4
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
ECC сompatibilityDiffers	Non-ECC	ECC & Non-ECC
Supported memory clock speedsDiffers	2133,2400,2666,2800,3000,3200,3300,3333,3400,3466,3600,3666,3733,3800,3866 MHz	2133,2400,2666,2800,3000,3200,3300,3333,3400,3466,3600,3666,3733,3800,3866,4000,4133 MHz
Maximum internal memory	64 GB	64 GB
Supported memory module capacitiesKnown for one	4GB, 8GB, 16GB	Unknown — not stated by the source
Unbuffered memoryKnown for one	Yes	Unknown — not stated by the source
Storage controllersidentical
RAID levels	0, 1, 5, 10	0, 1, 5, 10
Supported storage drive typesKnown for one	HDD & SSD	Unknown — not stated by the source
Graphics1 differ
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	1024 MB
Parallel processing technology supportDiffers	CrossFireX	2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX, Quad-GPU CrossFireX, Quad-GPU SLI
Maximum resolutionKnown for one	Unknown — not stated by the source	4096 x 2160 pixels
Internal I/O3 differ
USB 2.0 connectorsDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	4	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0	0
Number of SATA III connectors	6	6
Number of SATA II connectors	0	0
Number of SATA Express connectorsDiffers	1	3
Number of Parallel ATA connectors	0	0
S/PDIF out connector	Yes	Yes
Front panel audio connector	Yes	Yes
Front panel connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
12V power connectorKnown for one	Unknown — not stated by the source	Yes
TPM connector	Yes	Yes
Thunderbolt headersKnown for one	Unknown — not stated by the source	1
Number of chassis fan connectorsKnown for one	3	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Serial port headersKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports5 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers	0	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	0	1
Ethernet LAN (RJ-45) portsDiffers	1	2
eSATA ports quantity	0	0
PS/2 ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityDiffers	1	0
HDMI ports quantity	1	1
DVI-D ports quantityDiffers	1	0
Headphone outputs	1	1
Microphone in	Yes	Yes
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Fast Ethernet, Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Killer E2500
Features1 differ
Motherboard form factor	ATX	ATX
Motherboard chipset family	Intel	Intel
Motherboard chipset	Intel® Z270	Intel® Z270
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC1220
Audio output channels	7.1 channels	7.1 channels
Power source type	ATX	ATX
Windows operating systems supportedDiffers	Windows 10, Windows 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 Premi	Yes
Component forKnown for one	PC	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	3
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	3
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	3	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
Number of M.2 (M) slotsKnown for one	1	Unknown — not stated by the source
BIOS1 differ
BIOS type	UEFI AMI	UEFI AMI
BIOS memory sizeDiffers	128 Mbit	32 Mbit
ACPI version	5.0	5.0
Clear CMOS jumper	Yes	Yes
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for one	Unknown — not stated by the source	Yes
Intel® Optane™ Memory ReadyKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	225 mm	305 mm
DepthDiffers	305 mm	244 mm
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	SATA
ManualKnown for one	Unknown — not stated by the source	Yes
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Norton Internet Security (OEM version) Intel Optane Memory Ready
Other featuresidentical
Other featuresKnown for one	Unknown — not stated by the source	Support for APP Center * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications. 3D OSD @BIOS AutoGreen BIOS Setup Color Temperature Cloud Station EasyTune Easy RAID Fast Boot Game Boost ON/OFF
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Parallel port via internal headerKnown for one	Yes	Unknown — not stated by the source
Serial port via internal headerKnown for one	Yes	Unknown — 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.

More motherboard comparisons

All motherboard comparisons