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ATX motherboard with black PCB, red heatsinks and silver I/O shield

MSI

MSI Z77A-G43 GAMING Intel Z77 motherboard 32GB DDR3

SKU CH-5R5C-BXR5G

LGA 1155 ATX board with Intel Z77 chipset, dual-channel DDR3 up to 2800 MHz, 32 GB maximum, one PCIe 3.0 x16 slot, four SATA II and two SATA III ports.

  • ProcessorSupport LGA 1155 3rd generation Intel Core ™ i7/Core ™ i5/Co
  • ChipsetIntel Z77
  • CPU socketLGA 1155
  • Supported memorySupports dual-channel DDR3 2800 (overclocking)/2667 (overclo
  • Max supported RAM32 GB
  • PCI slots1 x PCIe 3.0 x16 slot PCI_E2 up to PCIe 3.0 x16 speeds 1 x P
  • Supports up to 32GB DDR3 memory for high-capacity builds
  • Dual-channel DDR3 up to 2800MHz overclocking for fast data rates
  • Killer E2205 Gigabit LAN with PCI Express for low-latency networking
  • Realtek ALC892 8.1-channel audio with intelligent sound detection
  • PCIe 3.0 x16 slot plus multiple expansion slots for GPU and add-in cards

Socket and chipset

This MSI Z77A-G43 GAMING motherboard uses the Intel Z77 chipset and an LGA 1155 socket. It accepts third-generation Intel Core i7, i5, i3, Pentium and Celeron processors. The board follows the ATX form factor and supports up to 32GB of system memory.

Memory and expansion

Four DDR3 slots run at speeds from 1066MHz to 2800MHz when overclocked. A single PCIe 3.0 x16 slot handles modern graphics cards. Additional slots include a second PCIe 3.0 x16 connector, a PCIe 2.0 x16 slot running at x4, one PCIe 2.0 x1 slot and three legacy PCI slots.

Connectivity and audio

Six SATA ports provide four SATA II and two SATA III connections for storage arrays. The Realtek ALC892 codec delivers 8.1-channel audio with intelligent jack detection. A Killer E2205 gigabit LAN controller manages wired networking at 10/100/1000 speeds. Two USB 3.0 ports sit on the rear I/O panel and one internal USB 3.0 header is available for front-panel use.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $50.99
Cheaper than about 84% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Product lineMSI Z77A-G43 GAMING
Model nameMSI Z77A-G43 GAMING
Processor
ProcessorSupport LGA 1155 3rd generation Intel Core ™ i7/Core ™ i5/Core ™ i3/Pentium/Celeron processor
CPU socketLGA 1155
ChipsetIntel Z77
Memory
Supported memorySupports dual-channel DDR3 2800 (overclocking)/2667 (overclocking)/2600/2400/2200/2133/1866/1600/1333/1066 MHz memory
Max supported RAM32 GB
Storage
SATA and RAID support4XSATA II interface; 2xSATA III interface
Audio & video
Audio chipRealtek ALC892 Audio Chip
- 8.1 channel sound effects that support intelligent sound interface detection
Compatible with Azalia 1.0 specifications
Connectivity
Ethernet controller1 PCI Express network port supports 10/100/1000 Fast Ethernet provided by Killer E2205 * Gigabit network interface card
Ports & slots
PCI slots1 x PCIe 3.0 x16 slot
PCI_E2 up to PCIe 3.0 x16 speeds
1 x PCIe 2.0 x16 slot
PCI_E4 supports up to PCIe 2.0 x4 speeds
1 x PCIe 2.0 x1 slot
3 x PCI slots
Onboard USB headersIntel Z77 chip supports two USB 3.0 I/O ports
Intel Z77 chip supports a USB 3.0 internal port

Questions about this item

What case size and CPU cooler clearance does the E-ATX Z77A-G43 GAMING need?

The board follows the E-ATX form factor, so it requires a case that accepts E-ATX motherboards; CPU cooler clearance is determined by the case, not the board.

Which socket and memory slots must be populated first when installing a 3rd-gen Core i5 and four DDR3 sticks?

Install the processor into the LGA 1155 socket, then fill the two primary DDR3 slots for dual-channel operation before adding the remaining two sticks.

When should the onboard CMOS battery be replaced on this Z77 board?

Replace the supplied CMOS battery when the system loses date, time or BIOS settings after being powered off, typically after several years of use.

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