Product comparison · 2 motherboards

GIGABYTE GA-Z77-HD3 (rev. 1.0) vs GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX

53specifications compared
14differ
39identical
29known for one product only

Key differences

The GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX has 1 more USB 2.0 connectors than the GIGABYTE GA-Z77-HD3 (rev. 1.0) (3 vs 2). The GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX has 2 more SATA III connectors than the GIGABYTE GA-Z77-HD3 (rev. 1.0) (4 vs 2). The GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX has 4 more USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity than the GIGABYTE GA-Z77-HD3 (rev. 1.0) (6 vs 2). Compatible processor series: Intel® Celeron®, Intel® Pentium® on the GIGABYTE GA-Z77-HD3 (rev. 1.0), Intel® Celeron® on the GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX. Ethernet interface type: Gigabit Ethernet on the GIGABYTE GA-Z77-HD3 (rev. 1.0), Fast Ethernet, Gigabit Ethernet on the GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX.

USB 2.0 connectors
- GA-Z77-HD3 (rev. 1.0):2
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:3
Number of SATA III connectors
- GA-Z77-HD3 (rev. 1.0):2
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- GA-Z77-HD3 (rev. 1.0):2
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:6
eSATA ports quantity
- GA-Z77-HD3 (rev. 1.0):0
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:2
Headphone outputs
- GA-Z77-HD3 (rev. 1.0):1
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:2
Motherboard chipset
- GA-Z77-HD3 (rev. 1.0):Intel Z77
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:Intel® Z77 Express
PCI Express x1 slots
- GA-Z77-HD3 (rev. 1.0):2
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:3
PCI Express x16 slots
- GA-Z77-HD3 (rev. 1.0):2
- GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX:3

Side by side

Differences highlightedShow differences only

Comparison of GA-Z77-HD3 (rev. 1.0), GA-Z77X-UD4H
82 specifications	A GIGABYTE GA-Z77-HD3 (rev. 1.0)View product	B GIGABYTE GA-Z77X-UD4H motherboard Intel® Z77 Express LGA 1155 (Socket H2) ATX Model GA-Z77X-UD4H View product
Processor1 differ
Compatible processor seriesDiffers	Intel® Celeron®, Intel® Pentium®	Intel® Celeron®
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Intel Core i3/i5/i7/i9 seriesKnown for one	Unknown — not stated by the source	i3-2xxx, i3-3xxx, i5-2xxx, i5-3xxx, i7-2xxx, i7-3xxx
Memoryidentical
Supported memory module capacitiesKnown for one	Unknown — not stated by the source	4GB, 8GB
Storage controllersidentical
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Graphicsidentical
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
DirectX versionKnown for one	11	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Internal I/O2 differ
USB 2.0 connectorsDiffers	2	3
Number of SATA III connectorsDiffers	2	4
Number of EATX power connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsKnown for one	3	Unknown — not stated by the source
Chassis intrusion connectorKnown for one	Yes	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Power fan connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports3 differ
USB 2.0 ports quantityKnown for one	4	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	6
eSATA ports quantityDiffers	0	2
Headphone outputsDiffers	1	2
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Ethernet interface typeDiffers	Gigabit Ethernet	Fast Ethernet, Gigabit Ethernet
Wi-FiKnown for one	No	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Features2 differ
Motherboard chipsetDiffers	Intel Z77	Intel® Z77 Express
Audio chipKnown for one	Realtek ALC887	Unknown — not stated by the source
Windows operating systems supportedDiffers	Yes	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Expansion slots4 differ
PCI Express x1 slotsDiffers	2	3
PCI Express x16 slotsDiffers	2	3
PCI Express configurationsDiffers	1x4, 1x16, 2x1	1x4, 1x8, 1x16
PCI slotsDiffers	2	1
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0, 3.0
BIOSidentical
BIOS memory sizeKnown for one	16 Mbit	Unknown — not stated by the source
Weight & dimensions1 differ
DepthDiffers	215 mm	244 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Norton Internet Security	Unknown — not stated by the source
Bundled softwareKnown for one	Intel Smart Response Technology Intel Rapid Start Technology Intel Smart Connect Technology	Unknown — not stated by the source
Other featuresidentical
Controller interface typeKnown for one	Intel Z77	Unknown — not stated by the source
PCI Express slots quantityKnown for one	4	Unknown — not stated by the source
Quick installation guideKnown for one	Yes	Unknown — not stated by the source
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1

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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