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Black ATX motherboard with silver heatsinks and blue PCIe slots

MSI

MSI Z77A-G45 LGA 1155 Intel Z77 DDR3 32GB ATX motherboard

SKU CH-XPDD-SGPDZ

Supports 3rd Gen Intel Core i7, i5, i3, Pentium and Celeron CPUs on LGA 1155 with dual-channel DDR3 up to 2800MHz and 32GB maximum memory

  • CPU Socket TypeLGA 1155
  • CPU Type3rd Gen Intel Core ™ i7/Core ™ i5/Core ™ i3/Pentium/Celeron
  • ChipsetIntel Z77
  • Memory StandardSupports dual-channel DDR3 2800 (overclocking)/2677 (overclo
  • Maximum Memory Supported32GB
  • PCI Slots2 x PCIe 3.0 x16 slots 1 x PCIe 2.0 x16 slot - PCI_E7 suppor
  • Supports 32GB dual-channel DDR3 up to 2800MHz
  • Two PCIe 3.0 x16 slots for multi-GPU configurations
  • Intel Z77 chipset with native USB 3.0 I/O and internal ports
  • Realtek ALC892 delivers 8.1 channel audio with intelligent detection
  • Realtek 8111E Gigabit LAN provides 10/100/1000 network connectivity

Socket 1155 Z77 ATX Board

The MSI Z77A-G45 is an ATX motherboard built around the Intel Z77 chipset for LGA 1155 processors. It accepts third-generation Core i7, i5, i3, Pentium and Celeron CPUs. Dual-channel DDR3 memory runs up to 2800 MHz when overclocked with a maximum capacity of 32 GB. The board targets builders assembling or repairing systems on this platform.

Installation Notes

The ATX layout follows standard mounting points and the CPU socket uses the familiar LGA 1155 retention mechanism. Four SATA II and two SATA III ports are grouped along the edge for straightforward cable routing. Two PCIe 3.0 x16 slots and one PCIe 2.0 x16 slot share bandwidth, so populating multiple graphics cards can reduce the third slot to x4 speeds. The rear I/O shield is supplied separately and must be fitted before the board is lowered into the case.

Who Should Buy

Enthusiasts maintaining an existing LGA 1155 build or upgrading memory to the full 32 GB will find the feature set appropriate. The 8.1-channel Realtek ALC892 audio and single Gigabit LAN port cover basic multimedia and networking needs. Users requiring native USB 3.1, M.2 storage or support for newer CPU generations should select a more recent platform.

Points forts

  • Supports 32GB dual-channel DDR3 up to 2800MHz
  • Two PCIe 3.0 x16 slots for multi-GPU configurations
  • Intel Z77 chipset with native USB 3.0 I/O and internal ports
  • Realtek ALC892 delivers 8.1 channel audio with intelligent detection
  • Realtek 8111E Gigabit LAN provides 10/100/1000 network connectivity

Caractéristiques

BrandMSI
SeriesMSI Z77A-G45
ModelMSI Z77A-G45
CPU Socket TypeLGA 1155
CPU Type3rd Gen Intel Core ™ i7/Core ™ i5/Core ™ i3/Pentium/Celeron processors with Socket 1155 architecture
ChipsetIntel Z77
Memory StandardSupports dual-channel DDR3 2800 (overclocking)/2677 (overclocking)/2600 (overclocking)/2400 (overclocking)/2200 (overclocking)/2133 (overclocking)/2000 (overclocking)/1866 (overclocking)/1600/1333/1066MHz memory
Maximum Memory Supported32GB
PCI Slots2 x PCIe 3.0 x16 slots
1 x PCIe 2.0 x16 slot
- PCI_E7 supports PCIe 2.0 x4 speeds
4 x PCIe 2.0 x1 slots
SATA RAID4XSATA II interface; 2xSATA III interface
Audio ChipsetRealtek ALC892 Audio Chip
- 8.1 channel sound effects that support intelligent sound interface detection
Compatible with Azalia 1.0 specifications
LAN Chipset1 PCI Express network port supports 10/100/1000 Fast Ethernet provided by Realtek 8111E
Onboard USBIntel Z77 chip supports two USB 3.0 I/O ports
Intel Z77 chip supports a USB 3.0 internal port

Questions sur cet article

How can I confirm the Realtek ALC892 audio is functioning after I install the board?

Boot the system, open the sound control panel and verify that 8.1 channel output is detected and that the Azalia 1.0 driver loads without errors.

What ships with the motherboard and what must I source myself?

The box contains the board, a CMOS battery, one SATA cable and the rear I/O shield; you will need to supply a CPU, DDR3 memory modules, storage drives and a power supply.

Which memory speed should I select for the Z77A-G45 given its supported DDR3 frequencies?

Choose DDR3 modules rated at 1600 or 1333 MHz for native operation; faster kits up to 2800 MHz will run only when overclocked in the BIOS.

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