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Green Micro ATX board with black LGA 1155 socket and four DDR3 slots

MSI

MSI B75MA-E31 Intel B75 motherboard LGA 1155 DDR3 16GB

SKU CH-7WCV-GB7KG

Micro ATX board with LGA 1155 socket, B75 chipset and dual-channel DDR3 up to 16 GB

  • CPU Socket TypeLGA 1155
  • CPU Type3rd Gen Intel Core i7/Core i5/Core i3/Pentium/Celeron proces
  • ChipsetIntel B75
  • Memory StandardSupport dual-channel DDR3 2400 (overclocking)/2200/2000/1800
  • Maximum Memory Supported16GB
  • PCI Slots1 PCIe 3.0 x16 slot 1 x PCIe 2.0 x1 slot 1 x PCI slot
  • Supports 3rd Gen Intel Core i7, i5, i3, Pentium, Celeron CPUs via LGA 1155 socket
  • Dual-channel DDR3 memory up to 16 GB at speeds from 1066 to 2400 MHz
  • PCIe 3.0 x16 slot plus PCIe 2.0 x1 and legacy PCI expansion
  • Realtek ALC887 8-channel audio with Azalia 1.0 compliance
  • Realtek 8111E Gigabit LAN plus four USB 2.0 rear ports

Micro ATX B75 board for LGA 1155 CPUs

The MSI B75MA-E31 is a micro ATX motherboard built around the Intel B75 chipset and the LGA 1155 socket. It accepts 3rd generation Intel Core i7, i5, i3, Pentium and Celeron processors. Dual-channel DDR3 memory is supported up to 16 GB across the available slots.

Verify socket, memory and expansion space

Confirm that the processor you intend to use fits the LGA 1155 socket and that your cooler clears the board layout. Check that your DDR3 modules match the supported speeds up to 2400 MHz and that the total capacity does not exceed 16 GB. The board provides one PCIe 3.0 x16 slot, one PCIe 2.0 x1 slot and one legacy PCI slot for add-in cards.

Realtek audio and gigabit LAN stay stable

The onboard Realtek ALC887 codec delivers 8-channel audio compliant with Azalia 1.0. Network connectivity uses a Realtek 8111E controller providing 10/100/1000 Ethernet over a PCI Express link. Four USB 2.0 ports on the rear panel handle peripheral traffic without adding extra controllers that could increase heat under sustained load.

Highlights

  • Supports 3rd Gen Intel Core i7, i5, i3, Pentium, Celeron CPUs via LGA 1155 socket
  • Dual-channel DDR3 memory up to 16 GB at speeds from 1066 to 2400 MHz
  • PCIe 3.0 x16 slot plus PCIe 2.0 x1 and legacy PCI expansion
  • Realtek ALC887 8-channel audio with Azalia 1.0 compliance
  • Realtek 8111E Gigabit LAN plus four USB 2.0 rear ports

Specifications

BrandMSI
SeriesMSI B75MA-E31
ModelMSI B75MA-E31
CPU Socket TypeLGA 1155
CPU Type3rd Gen Intel Core i7/Core i5/Core i3/Pentium/Celeron processors with Socket 1155 architecture
ChipsetIntel B75
Memory StandardSupport dual-channel DDR3 2400 (overclocking)/2200/2000/1800/1600/1333/1066MHz memory
Maximum Memory Supported16GB
PCI Slots1 PCIe 3.0 x16 slot
1 x PCIe 2.0 x1 slot
1 x PCI slot
SATA RAID3XSATA II interface; 1xSATA III interface
Audio ChipsetRealtek ALC887 Audio Chip
- Supports 8-channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
LAN Chipset1 PCI Express network port supports 10/100/1000 Fast Ethernet provided by Realtek 8111E
Onboard USB4 USB 2.0 ports (backplane)

Questions about this item

Does the MSI B75MA-E31 include cables and an I/O shield, or must they be bought separately?

The package contains the motherboard, a CMOS battery, one SATA cable and a chassis I/O back panel; no other accessories are included.

Which DDR3 speed should I choose for the B75MA-E31 to match its supported range?

The board runs dual-channel DDR3 at 1066, 1333, 1600, 1800, 2000, 2200 or 2400 MHz, with 2400 MHz listed as an overclocking option.

What does the 16 GB maximum memory mean when I install modules in this board?

You can populate the two slots with up to 16 GB total of DDR3 memory in dual-channel mode.

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