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ATX motherboard dark PCB silver heatsinks LGA 1151 socket

MSI

MSI H270 GAMING M3 Intel motherboard

SKU CH-DCVH-E0EXN

ATX motherboard with Intel H270 chipset for LGA 1151 CPUs, dual-channel DDR4 to 64 GB, two PCIe 3.0 x16 slots, six SATA ports, Realtek ALC1220 7.1 audio and Killer E2500 gigabit LAN

  • ProcessorSupports 6th/7th generation Intel Core ™ i3/i5/i7 processors
  • ChipsetIntel H270
  • CPU socketLGA 1151
  • Supported memorySupports dual-channel DDR4 2400/2133 MHz memory
  • Max supported RAM64 GB
  • PCI slots2 PCIe 3.0 x16 slots (x16/x4 mode supported) * 4 PCIe 3.0 x1
  • Supports 64GB dual-channel DDR4 memory up to 2400MHz
  • Intel H270 chipset with LGA 1151 socket for 6th/7th gen Core i3/i5/i7
  • Killer E2500 Gigabit LAN for low-latency networking
  • Realtek ALC1220 audio with 7.1 channel and S/PDIF output
  • Two USB 3.1 Gen2 ports at 10Gbps Type-A and Type-C

Socket LGA 1151 ATX motherboard

The MSI H270 GAMING M3 is an ATX motherboard built around the Intel H270 chipset and the LGA 1151 socket. It accepts 6th and 7th generation Intel Core i3, i5 and i7 processors plus compatible Pentium and Celeron CPUs. Dual-channel DDR4 memory runs at 2400 or 2133 MHz up to a total of 64 GB.

Builders keeping a 6th/7th-gen Intel platform

This board suits owners of LGA 1151 processors who need a full-size ATX layout with multiple expansion slots and high-quality onboard audio. It is not suitable for newer Intel sockets, for AMD processors, or for small-form-factor cases that require micro-ATX or mini-ITX dimensions.

Dual-channel DDR4 up to 64 GB

The memory controller supports dual-channel DDR4 at 2400 and 2133 MHz with a maximum capacity of 64 GB. That figure determines whether the board can meet the memory needs of the intended system.

How it compares

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

Price $71.99
Cheaper than about 68% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Product lineMSI H270 GAMING M3
Model nameMSI H270 GAMING M3
Processor
ProcessorSupports 6th/7th generation Intel Core ™ i3/i5/i7 processors, as well as Intel Pentium and Celeron processors with pin LGA1151
CPU socketLGA 1151
ChipsetIntel H270
Memory
Supported memorySupports dual-channel DDR4 2400/2133 MHz memory
Max supported RAM64 GB
Storage
SATA and RAID support2XM.2 interface, 6xSATA III interface
Audio & video
Audio chipRealtek ALC1220 decoding chip
- 7.1 channel high-quality sound effects
- Supports S/PDIF output
Connectivity
Ethernet controller1 x Killer ™ E2500 Gigabit network interface card
Ports & slots
PCI slots2 PCIe 3.0 x16 slots (x16/x4 mode supported) *
4 PCIe 3.0 x1 slots

Questions about this item

What PCIe 3.0 lane split does the H270 chipset allow when two x16 slots are populated?

The board runs the two PCIe 3.0 x16 slots in x16/x4 mode when both are used, so the second slot is limited to four lanes.

Which mounting standard and form factor does this ATX board require from the case?

It uses the standard ATX layout with nine mounting holes and the rear I/O shield supplied in the box.

How is the DDR4 memory installed for dual-channel operation and what mistake do builders make?

Populate the same-coloured DIMM slots first — usually slots two and four — and seat each module until the retention clips click on both ends.

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