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Micro ATX board in matte black with silver heatsinks and four DDR3 slots

GIGABYTE

GIGABYTE GA-Z77M-D3H LGA 1155 Intel Z77 DDR3 32GB Micro ATX motherboard

SKU CH-3HJ1-2F71X

Micro ATX Z77 board with LGA 1155 socket, four DDR3 slots for 32 GB, one PCIe 3.0 x16 slot, six SATA ports and 7.1 audio

  • CPU Socket TypeLGA 1155
  • CPU Type1. Support LGA1155 Slot Processor: Intel Core ™ i7 Processor
  • ChipsetIntel Z77
  • Maximum Memory Supported32GB
  • PCI Slots1 PCI Express x16 slot, supporting x16 operating specificati
  • SATA RAID4XSATA II interface; 2xSATA III interface
  • Supports Intel Core i7, i5, i3, Pentium and Celeron CPUs via LGA 1155 socket
  • Up to 32 GB DDR3 memory across four DIMM slots for multitasking headroom
  • PCI Express 3.0 x16 slot delivers full graphics-card bandwidth
  • 1-channel HD audio with VIA VT2021 codec for immersive sound
  • Gigabit LAN plus ten USB 2.0 and four USB 3.0 ports for connectivity

Socket and Chipset

The GIGABYTE GA-Z77M-D3H uses the LGA 1155 socket with the Intel Z77 chipset. It accepts Core i7, i5, i3, Pentium and Celeron processors. The board is a Micro ATX form factor measuring 24.4 by 22 cm.

Memory and Expansion

Four DDR3 DIMM slots support up to 32 GB of system memory. A single PCI Express x16 slot runs at the 3.0 specification for graphics cards. Storage connects through four SATA II and two SATA III ports with RAID capability.

Audio, Network and Connectivity

Onboard audio uses the VIA VT2021 codec with 7.1 channel support via front-panel headers. Atheros Gigabit LAN provides wired networking at 1000 Mbit. The rear panel offers four USB 2.0 and two USB 3.0 ports, with additional internal headers for six USB 2.0 and two USB 3.0 connections.

Highlights

  • Supports Intel Core i7, i5, i3, Pentium and Celeron CPUs via LGA 1155 socket
  • Up to 32 GB DDR3 memory across four DIMM slots for multitasking headroom
  • PCI Express 3.0 x16 slot delivers full graphics-card bandwidth
  • 1-channel HD audio with VIA VT2021 codec for immersive sound
  • Gigabit LAN plus ten USB 2.0 and four USB 3.0 ports for connectivity

Specifications

BrandGIGABYTE
SeriesGIGABYTE GA-Z77M-D3H
ModelGIGABYTE GA-Z77M-D3H
CPU Socket TypeLGA 1155
CPU Type1. Support LGA1155 Slot Processor: Intel Core ™ i7 Processor/Intel Core ™ i5 Processor/Intel Core ™ i3 Processor/Intel Pentium Processor/Intel Celeron Processor
2. L3 cache depends on CPU
ChipsetIntel Z77
Maximum Memory Supported32GB
PCI Slots1 PCI Express x16 slot, supporting x16 operating specifications (PCIEX16)
(PCIEX16 slot supports PCI Express 3.0)
To maximize the performance of the graphics card, it is necessary to install it in the PCIEX16 slot when installing a graphics card.
If a 32nm (Sandy Bridge) CPU is installed, the PCI Express x16 slot supports up to PCI Express 2.0.
1 PCI Express x16 slot, supporting x4 operating specifications (PCIEX4)
3. 1 PCI Express x1 slot
PCIEX4 and PCIEX1 slots both support PCI Express 2.0.
4. 1 PCI slot
SATA RAID4XSATA II interface; 2xSATA III interface
Audio ChipsetBuilt-in VIA VT2021 chip
2. Support High Definition Audio
3. Support 2/4/5 1/7.1 channels
To activate the 7.1 channel audio output, you must use the front panel audio output of the HD (High Definition, High Fax) audio module and select the multi-channel audio function through the audio software.
4. Support S/PDIF output
LAN ChipsetBuilt-in Atheros GbE network chip (10/100/1000 Mbit)
Onboard USBBuilt-in chipset:
1. Up to 10 USB 2.0/1 ports (4 on the rear panel, 6 need to be connected from the USB socket in the main board via the cable)
2. Up to 4 USB 3.0/2 ports (2 on the rear panel, 2 need to be connected from the USB socket in the main board via the cable)
In the operating system Windows XP, Intel USB 3.0 only supports USB 2.0 transfer rates.

Questions about this item

How much DDR3 memory can the four slots accept in total?

The board supports up to 32GB across its four DDR3 DIMM slots.

What is the peak sound or heat output when the VRM and chipset run continuously?

The supplier data does not publish acoustic or thermal figures for sustained load.

Which processor cooler mounting pattern does the LGA 1155 socket use?

The socket follows the standard LGA 1155 square mounting pattern used by Intel boxed coolers and most aftermarket units.

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