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ATX motherboard with black PCB and red accents

MSI

MSI Z270 GAMING M3 Intel motherboard

SKU CH-KCAZ-C07JH

Supports 6th and 7th generation Intel Core processors on LGA 1151 with dual-channel DDR4 up to 3800 MHz and 64 GB maximum memory

  • CPU Socket TypeLGA 1151
  • CPU TypeSupports 6th/7th generation Intel Core ™ i3/i5/i7 processors
  • ChipsetIntel Z270
  • Memory StandardSupport dual-channel DDR4 3800 (OC)/3600 (OC)/3200 (OC)/3000
  • Maximum Memory Supported64GB
  • PCI Slots2 PCIe 3.0 x16 slots (x16/x4 mode supported) * 4 PCIe 3.0 x1
  • Supports 6th/7th gen Intel Core i3/i5/i7 on LGA 1151 socket
  • Dual-channel DDR4 up to 3800 MHz with 64 GB maximum capacity
  • Two PCIe 3.0 x16 slots plus four PCIe 3.0 x1 slots for expansion
  • Realtek ALC1220 codec delivers 7.1 channel audio with S/PDIF output
  • Killer E2500 Gigabit LAN plus USB 3.1 Gen2 Type-C and Type-A at 10 Gbps

Socket LGA 1151 Intel Z270 motherboard

This MSI Z270 GAMING M3 board accepts 6th and 7th generation Intel Core i3, i5 and i7 processors plus Pentium and Celeron CPUs using the LGA 1151 socket. It is built on the Intel Z270 chipset and follows the Micro ATX form factor for compact system builds.

DDR4 memory limits and PCIe 3.0 lane allocation

Dual-channel DDR4 is supported at speeds from 2133 up to 3800 MHz when overclocked, with a maximum capacity of 64 GB. The board provides two PCIe 3.0 x16 slots that operate in x16 or x4 mode together with four PCIe 3.0 x1 slots for add-in cards.

Verify CPU generation

Ensure your processor is a 6th or 7th generation Intel Core, Pentium or Celeron part for LGA 1151; other generations will not fit. Check that your case and CPU cooler are compatible with a Micro ATX layout and the board's component placement.

Highlights

  • Supports 6th/7th gen Intel Core i3/i5/i7 on LGA 1151 socket
  • Dual-channel DDR4 up to 3800 MHz with 64 GB maximum capacity
  • Two PCIe 3.0 x16 slots plus four PCIe 3.0 x1 slots for expansion
  • Realtek ALC1220 codec delivers 7.1 channel audio with S/PDIF output
  • Killer E2500 Gigabit LAN plus USB 3.1 Gen2 Type-C and Type-A at 10 Gbps

Specifications

BrandMSI
SeriesMSI Z270 GAMING M3
ModelMSI Z270 GAMING M3
CPU Socket TypeLGA 1151
CPU TypeSupports 6th/7th generation Intel Core ™ i3/i5/i7 processors, as well as Intel Pentium and Celeron processors with pin LGA1151
ChipsetIntel Z270
Memory StandardSupport dual-channel DDR4 3800 (OC)/3600 (OC)/3200 (OC)/3000 (OC)/2800 (OC)/2600 (OC)/2400/2133MHz memory
Maximum Memory Supported64GB
PCI Slots2 PCIe 3.0 x16 slots (x16/x4 mode supported) *
4 PCIe 3.0 x1 slots
SATA RAID2XM.2 interface, 6xSATA III interface
Audio ChipsetRealtek ALC1220 decoding chip
- 7.1 channel high-quality sound effects
- Supports S/PDIF output
LAN Chipset1 Killer ™ E2500 Gigabit network interface card
Onboard USBASMedia ASM2142 Chipset
- 1 USB 3.1 Gen2 (SuperSpeed USB 10Gbps) Type-C interface located on the backplane
- 1 USB 3.1 Gen2 (SuperSpeed USB 10Gbps) Type-A interface located on the backplane
Intel Z270 chipset
- 8 USB 3.1 Gen1 (SuperSpeed USB) ports (4 Type-A ports on the backplane, 4 via onboard USB ports)
- 6 USB 2.0 (High-speed USB) ports (2 ports located on the backplane, 4 provided via onboard USB ports)

Questions about this item

Which DDR4 speed should I pick for the 64GB maximum capacity?

The board runs dual-channel DDR4 up to 3800 (OC) and officially supports 2400/2133MHz; 3200MHz kits are a common stable choice for the 64GB limit.

What does the 3800 (OC) memory rating mean once the board is built?

It indicates the highest overclocked DDR4 frequency the Z270 chipset can validate; actual speed depends on the CPU memory controller and the specific modules installed.

How fast is the USB 3.1 Gen2 Type-C port on the rear I/O?

The ASMedia ASM2142 controller provides a single 10Gbps SuperSpeed USB 10Gbps Type-C connection on the back panel.

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