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Green Micro ATX motherboard with black heatsinks and silver PCIe slots

MSI

MSI B250M G1 GAMER B250 LGA 1151 DDR4 32GB Micro ATX motherboard

SKU CH-4CY0-C3A1K

Micro-ATX board for 6th/7th gen Intel CPUs with DDR4 memory up to 32GB, PCIe 3.0 slots, six SATA ports, 7.1 audio and Gigabit LAN

  • ProcessorSupports 6th/7th generation Intel Core i3/i5/i7 processors,
  • ChipsetIntel B250
  • CPU socketLGA 1151
  • Supported memorySupports dual-channel DDR4 2400/2133 MHz memory
  • Max supported RAM32 GB
  • PCI slots1 PCIe 3.0 x16 slot 2 PCIe 3.0 x1 slots
  • Supports 6th and 7th generation Intel Core i3 i5 i7 processors with LGA 1151 socket
  • Dual channel DDR4 memory up to 32GB at 2400 and 2133MHz
  • One PCIe 3.0 x16 slot plus two PCIe 3.0 x1 slots for expansion
  • Realtek ALC887 audio codec delivers 7.1 channel high definition sound
  • Realtek RTL8111H Gigabit LAN with six USB 3.1 Gen1 and six USB 2.0 ports

Socket LGA 1151 Micro ATX board

This MSI B250M G1 GAMER motherboard uses the Intel B250 chipset and fits LGA 1151 processors from the 6th and 7th generation Core i3, i5 and i7 families plus Pentium and Celeron parts. The Micro ATX form factor suits compact builds that still need dual-channel DDR4 memory up to 32GB at 2400 or 2133MHz.

Bundled I/O shield and single SATA cable

The box supplies a chassis I/O back panel, one SATA cable and a CMOS battery so the board can be mounted and connected to a drive immediately. No extra USB brackets, Wi-Fi antennas or additional cables are provided unless the board itself includes an onboard Wi-Fi module.

Standard Micro ATX mounting

Installation follows the usual Micro ATX screw pattern and uses the supplied I/O shield; the single PCIe 3.0 x16 slot and two PCIe 3.0 x1 slots accept common expansion cards. The six SATA III ports and one M.2 interface share bandwidth, so populating every SATA connector can disable the M.2 slot — check the manual before adding drives.

How it compares

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

Price $55.99
Cheaper than about 81% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Product lineMSI B250M G1 GAMER
Model nameMSI B250M G1 GAMER
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 B250
Memory
Supported memorySupports dual-channel DDR4 2400/2133 MHz memory
Max supported RAM32 GB
Storage
SATA and RAID support1XM.2 interface, 6xSATA III interface
Audio & video
Audio chipRealtek ALC887 decoding chip
- 7.1 channel high-quality sound effects
Connectivity
Ethernet controller1 x Realtek RTL8111H Gigabit network interface card
Ports & slots
PCI slots1 PCIe 3.0 x16 slot
2 PCIe 3.0 x1 slots

Questions about this item

Will the CMOS battery need replacing during the board's life?

The board ships with a replaceable CMOS battery that maintains BIOS settings when the system is unplugged.

What limits the maximum memory I can install on this B250 board?

Two DDR4 slots support up to 32 GB total at 2400 or 2133 MHz in dual-channel mode.

How hot or loud does the chipset area get under all-day loads?

The B250 chipset runs passively cooled; typical case airflow keeps it quiet and within normal operating temperatures.

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