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GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard

This product can only be exchanged or replaced with the exact same item.
GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard - 1
Actual product may not be exactly as shown.
GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard - 78647_l.jpg GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard - 78647_1.jpg GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard - 78647_2.jpg GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard - 78647_3.jpg GIGABYTE GA-Z77-HD3 ATX Z77 LGA1155 DDR3 2PCI-E16 2PCI-E1 2PCI CrossFire SATA3 USB3.0 Motherboard - 78647_4.jpg Customer Photos (0)
Reg. Price: $114.99  CAD
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   Shipping Weight:   2.6 lbs
   Part #: GA-Z77-HD3

Features    [ Edit | History ]

GIGABYTE Z77-HD3 Motherboard

GIGABYTE Z77-HD3 Motherboard combine a host of new and exciting technologies with the latest Intel Z77 Express Chipset, creating a unique range of motherboard designs that harness the outstanding performance of the new 3rd generation Intel® Core™ processors. With an exclusive GIGABYTE 3D BIOS (Dual UEFI), UD4 Classic technology and unique EZ Set Up uilities, GIGABYTE Z77-HD3 Motherboard ensure outstanding system absolute control, with additional features that ensure an unrivalled experience on your next PC build.

Quick Specs:
Maximum Memory 32 GB
Form Factor ATX
Processor Supported Celeron Pentium Core i3 Core i7 Core i5
RAID Levels 1+0 5 1 0
Total Processor Supported 1
Controller Type Serial ATA/600 Serial ATA/300
Processor Socket Socket H2 LGA-1155
Memory Technology DDR3 SDRAM
Processor Technology Quick Sync Video Technology Smart Response Technology
Memory Standard DDR3-1066/PC3-8500 DDR3-1333/PC3-10600 DDR3-1600/PC3-12800 DDR3-2800/PC3-22400 (O.C.)
Width 12"
Depth 8.5"
64-bit Processing Yes
Chipset Manufacturer Intel
Chipset Model Z77 Express
Number of Memory Slots 4
Number of PCI Slots 2
Multi GPU Supported Hybrid CrossFireX CrossFire
Graphics Controller Manufacturer Intel
Audio Channels 7.1
Gigabit Ethernet Yes
Number of SATA Interfaces 6
Number of PCI Express x1 Slots 2
Onboard Video CPU Dependent Video
RAID Supported Yes
Number of Total Expansion Slots 6
Number of PCI Express x16 Slots 2
Number of Network (RJ-45) Ports 1
Network (RJ-45) No
Total Number of USB Ports 6
Number of USB 3.0 Ports 2
PS/2 Port Yes
Number of PS/2 Ports 1
Total Number of Onboard USB Ports 6
Number of Onboard USB 2.0 Ports 4
Number of Onboard USB 3.0 Ports 2
Onboard S/PDIF Header Yes
PCI Express Standard PCI Express 2.0 PCI Express 3.0
Total Number of PCI Express Slots 4
Memory Form Factor DIMM

Specifications    [ Edit | History ]
     Audio Channels: 7.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC887
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GA-Z77-HD3
     Manufacturer Website Address:
     Product Line: Ultra Durable 4 Classic
     Product Model: GA-Z77-HD3
     Product Name: Ultra Durable 4 Classic GA-Z77-HD3 (rev. 1.0) Desktop Motherboard
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Serial ATA/300
Serial ATA/600
     RAID Levels: 0
     RAID Supported: Yes
I/O Expansions  
     Number of PCI Express x1 Slots: 2
     Number of PCI Express x16 Slots: 2
     Number of PCI Slots: 2
     Number of Total Expansion Slots: 6
     PCI Express Standard: PCI Express 3.0
PCI Express 2.0
     Total Number of PCI Express Slots: 4
     Audio Line In: Yes
     Audio Line Out: Yes
     DVI: No
     HDMI: Yes
     Microphone Port: Yes
     Network (RJ-45): No
     Number of DVI Outputs: 1
     Number of HDMI Outputs: 1
     Number of Network (RJ-45) Ports: 1
     Number of PS/2 Ports: 1
     Number of USB 2.0 Ports: 4
     Number of USB 3.0 Ports: 2
     PS/2 Port: Yes
     Total Number of USB Ports: 6
     VGA: Yes
     Maximum Memory: 32 GB
     Memory Form Factor: DIMM
     Memory Standard: DDR3-2800/PC3-22400 (O.C.)
     Memory Technology: DDR3 SDRAM
     Number of Memory Slots: 4
Network & Communication  
     Gigabit Ethernet: Yes
Onboard Interfaces  
     Number of Onboard USB 2.0 Ports: 4
     Number of Onboard USB 3.0 Ports: 2
     Number of SATA Interfaces: 6
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Onboard S/PDIF Header: Yes
     Onboard Serial Header: Yes
     Total Number of Onboard USB Ports: 6
Physical Characteristics  
     Depth: 8.5" (215 mm)
     Form Factor: ATX
     Width: 12" (305 mm)
Power Description  
     Power Supply Supported: ATX12V
Processor & Chipset  
     64-bit Processing: Yes
     Chipset Manufacturer: Intel
     Chipset Model: Z77 Express
     Multi GPU Supported: CrossFire
Hybrid CrossFireX
     Processor Socket: Socket H2 LGA-1155
     Processor Supported: Core i5
Core i7
Core i3
     Processor Technology: Smart Response Technology
Quick Sync Video Technology
     Total Processor Supported: 1
     Graphics Controller Manufacturer: Intel
     Graphics Memory Accessibility: Shared
     Graphics Memory Technology: DDR3 SDRAM
     Onboard Video: CPU Dependent Video

Gigabyte GA-Z77-HD3 Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Gigabyte GA-Z77-HD3 reviews.
Experience: 1 Months
 Verified Owner
2Xsata3 ports, 4xsata2 ports, crossfire, a lot of usb2 ports, 4x pwm fan connectors
2nd crossfire slot blocks some sata 2 ports
I found no issues with this boars, didn't need to update  bios to work properly, fast z77 board. I guess the previous poster got a lemon-i'm really happy with this mobo.

Experience: 5 Days
 Verified Owner
cheap, nothing else
1 pcie x16, the other is only x4
pcie x16 failed from day 1
pcie x1 not compatible with any internal wireless card (tplink, asus that i have tried)
very bad writing manual, troubleshooting has nothing meaningful, i have to search online for all the symptoms i encountered
I normally assemble at least 1 PC every year and this MB is the worst experience ever! DO NOT BUY!

First, the PCIE x 16 slot (the other PCIE is only x4 and share with other PCIE ports for bandwidth) failed. It didn't detect all 3 dedicated graphical cards I tried (2 6850s and 1 GTX 650 Ti, all working on a similar spec MSI MB). I could only use the integrated HD 2500 from the i5-3450 CPU. I could use the x4 PCIE slot to post. Searched online and this is a common issue that the PCIE control failed to switch (not just gigabyte, other MB brands too)

Second, this MB is NOT compatible with any internal wireless adapter (i tried 2 brand new TP-Link and ASUS cards, all working on the other PC I have). Brought the rig to NCIX and the service guy told me they're inspecting another PC that had the exact same issue (Win7 died after boot, or no display output signal at all).

Third, the PCIE/PCI configuration is quite bad, the two PCIE 1.0 slots are located between the two PCIE X16/X4 slots, so if you want to add a PCIE 1.0 card, it will block the vent of the PCIE x16 graphical card

Wasted 8-10 hours on this POS and will never touch another gigabyte MB. I had a similar spec PC using MSI MB and no problem, will return this and try a ASUS this time.

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Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Currently Gigabyte accepts end users’ requests on RMA service.
Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.

Warranty Effective On Date of Manufacture

Gigabyte determines warranty based on the manufacture date. The manufacture date can be verified by the serial number found on the product. The first four digits after "SN" determine the year and week of manufacturing date. For example:

"01)04719331729028(21) SN0213030585" represents the 13th week of 2002

RMA Request Procedures and Guidelines

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  • RMA request with missing or incorrect serial number(s) may result in a delayed process or a rejection of request

  • Any model discrepancy for received items may result in a delayed processing timeProducts received with no RMA number may delay processing or refusal
    (Gigabyte will not be responsible for items received without proper information)
  • No cross shipping or advanced replacements under any circumstances

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  • Replacements may include new or refurbished products
    (Replacements will be for the exact or equivalent product)
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  • If the information on your request varies from the actual item(s) received, RMA will be based on the actual item(s) received
  • RMA numbers will be valid for 30 days after issued date
  • Gigabyte will provide one way freight via UPS or FedEx ground free of charge
  • For consecutive violation for No Trouble Found (NTF), a testing fee per NTF board or system may apply.

Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Graphic Accelerator Cards (VGA)
    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Servers(Server Boards/Barebone Server System)
    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
    • Rackmount server boards carry a 3 year limited warranty (First 2 years parts and labor, 3rd year labor only)
    • Rackmount components carry a 2 year limited warranty
  • PC Barebones System
    • Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only)
      * Gigabyte shall provide the fees/charges for parts upon testing of motherboards in their 2nd and 3rd year of warranty
  • Peripherals (Coolers, Keyboards, Mouse, Optical Devices, etc.)
    • All peripherals carry a 1 year limited warranty
  • Notebook
    • All notebooks carry a 1 year limited warranty
  • Wireless and Networking Products
    • All wireless and networking products carry a 1 year limited warranty

Please register at your RMA account!

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