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MSI
MSI Z77A-GD55 Intel Z77 LGA 1155 DDR3 ATX Motherboard
Supports 3rd Gen Intel Core processors with 32GB DDR3 2667 MHz, dual PCIe 3.0 x16, SATA III, 8.1 channel audio and Intel Gigabit LAN
- CPU Socket TypeLGA 1155
- CPU Type3rd Gen Intel Core ™ i7/Core ™ i5/Core ™ i3/Pentium/Celeron
- ChipsetIntel Z77
- Memory StandardSupports dual-channel DDR3 2667 (overclocked) MHz memory
- Maximum Memory Supported32GB
- PCI Slots2 x PCIe 3.0 x16 slots 1 x PCIe 2.0 x16 slot PCI_E7 supports
- Supports 3rd Gen Intel Core processors with LGA 1155 socket
- Intel Z77 chipset enables DDR3 2667 MHz overclocked memory
- Four PCIe 3.0 x16 slots for multi-GPU configurations
- Realtek ALC892 delivers 8.1 channel high-definition audio
- Intel 82579V provides 10/100/1000 Gigabit Ethernet connectivity
Socket and chipset
The MSI Z77A-GD55 uses the Intel Z77 chipset and an LGA 1155 socket. It accepts third-generation Intel Core i7, i5 and i3 processors as well as Pentium and Celeron models. The board follows the ATX form factor for standard desktop builds.
Memory and expansion
Four DDR3 slots support dual-channel memory up to 32 GB with overclocked speeds of 2667 MHz. Expansion includes two PCIe 3.0 x16 slots, one PCIe 2.0 x16 slot and four PCIe 2.0 x1 slots. Storage connectivity provides four SATA II and two SATA III ports with RAID support.
Connectivity and audio
The Realtek ALC892 codec delivers 8.1 channel audio with intelligent jack detection. Networking is handled by an Intel 82579V Gigabit Ethernet controller. USB 3.0 is available through two rear ports and one internal header provided by the Z77 chipset.
Highlights
- Supports 3rd Gen Intel Core processors with LGA 1155 socket
- Intel Z77 chipset enables DDR3 2667 MHz overclocked memory
- Four PCIe 3.0 x16 slots for multi-GPU configurations
- Realtek ALC892 delivers 8.1 channel high-definition audio
- Intel 82579V provides 10/100/1000 Gigabit Ethernet connectivity
Specifications
| Brand | MSI |
|---|---|
| Series | MSI Z77A-GD55 |
| Model | MSI Z77A-GD55 |
| CPU Socket Type | LGA 1155 |
| CPU Type | 3rd Gen Intel Core ™ i7/Core ™ i5/Core ™ i3/Pentium/Celeron processors with Socket 1155 architecture |
| Chipset | Intel Z77 |
| Memory Standard | Supports dual-channel DDR3 2667 (overclocked) MHz memory |
| Maximum Memory Supported | 32GB |
| PCI Slots | 2 x PCIe 3.0 x16 slots 1 x PCIe 2.0 x16 slot PCI_E7 supports PCIe 2.0 x4 speeds (when PCI_E3 or PCI_E6 are empty) or PCIe 2.0 x2 speeds (when PCI_E3 or PCI_E6 are empty). 4 x PCIe 2.0 x1 slots |
| SATA RAID | 4XSATA II interface; 2xSATA III interface |
| Audio Chipset | Realtek ALC892 Audio Chip - 8.1 channel sound effects that support intelligent sound interface detection Compatible with Azalia 1.0 specifications |
| LAN Chipset | 1 PCI Express network port supports 10/100/1000 Fast Ethernet provided by Intel 82579V |
| Onboard USB | Intel Z77 chip supports two USB 3.0 I/O ports Intel Z77 chip supports a USB 3.0 internal port |
Questions about this item
Which DDR3 memory speed does the Z77A-GD55 support for overclocked modules?
The board supports dual-channel DDR3 at 2667 MHz when using overclocked memory.
How many PCIe 3.0 x16 slots does the board provide for a legacy graphics card?
Two PCIe 3.0 x16 slots are available, and a third slot runs at PCIe 2.0 x16 speeds.
How can I confirm the Realtek ALC892 audio is active after installation?
The 8.1 channel sound effects and intelligent interface detection will appear in the audio control panel once drivers are loaded.
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