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Rectangular ATX motherboard with dark PCB, silver LGA 1155 socket, four DDR3 slots, PCIe x16 and PCI slots, SATA ports, rear I/O shield

MSI

MSI B75A-G41 Intel B75 LGA 1155 DDR3 32GB ATX motherboard

SKU CH-KJHD-Y8QXQ

Supports 3rd Gen Intel Core i7, i5, i3, Pentium and Celeron CPUs on LGA 1155 with dual-channel DDR3 up to 32GB and PCIe 3.0 x16 graphics slot

  • Processor3rd Gen Intel Core i7/Core i5/Core i3/Pentium/Celeron proces
  • ChipsetIntel B75
  • 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 dual-channel DDR3 memory
  • Intel B75 chipset with native USB 3.0 support
  • PCIe 3.0 x16 slot for modern graphics cards
  • Realtek ALC887 8.1 channel audio with Azalia 1.0
  • Gigabit LAN via Realtek 8111E controller

Socket 1155 DDR3 platform

The MSI B75A-G41 is an ATX motherboard built around the Intel B75 chipset for LGA 1155 processors. It accepts third-generation Intel Core i7, i5, i3, Pentium and Celeron CPUs. Four memory slots support dual-channel DDR3 up to 32 GB with overclocked speeds reaching 2800 MHz.

Expansion layout and I/O

One PCIe 3.0 x16 slot and a second x16 slot wired for PCIe 2.0 give room for a graphics card and an additional high-bandwidth device. A PCIe 2.0 x4 slot, two PCIe 2.0 x1 slots and two legacy PCI slots cover older add-in cards. Six SATA ports, one running at SATA III, handle storage while two rear USB 3.0 ports and an internal USB 3.0 header provide fast peripheral connections.

Sustained operation characteristics

The Realtek 8111E LAN controller delivers 10/100/1000 Ethernet throughput for steady network loads. Realtek ALC887 audio drives 8.1-channel output with intelligent jack detection compliant to Azalia 1.0. The board ships with a CMOS battery, one SATA cable and an I/O shield so the system can be assembled and run continuously without extra parts.

How it compares

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

Price $52.99
Cheaper than about 83% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Product lineMSI B75A-G41
Model nameMSI B75A-G41
Processor
Processor3rd Gen Intel Core i7/Core i5/Core i3/Pentium/Celeron processors with Socket 1155 architecture
CPU socketLGA 1155
ChipsetIntel B75
Memory
Supported memorySupports dual-channel DDR3 2800 (overclocking)/2667 (overclocking)/2400 (overclocking)/2200 (overclocking)/2133 (overclocking)/1866 (overclocking)/1600/1333/1066 MHz memory
Max supported RAM32 GB
Storage
SATA and RAID support5XSATA II interface; 1xSATA III interface
Audio & video
Audio chipRealtek ALC887 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 Realtek 8111E
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
2 x PCIe 2.0 x1 slots
2 x PCI slots
Onboard USB headersIntel B75 chip supports two USB 3.0 I/O ports
Intel B75 chip supports a USB 3.0 internal port

Questions about this item

Will the 32 GB DDR3 limit appear before the CPU hits its ceiling under sustained load?

The board caps system memory at 32 GB across four slots, so large workloads will hit that ceiling first regardless of the processor installed.

How loud and hot does the Realtek ALC887 audio section get when the PC runs all day?

The Realtek ALC887 codec is a low-power integrated component; it adds negligible heat or noise during continuous operation.

Which DDR3 modules must I already own to populate the four slots and reach 32 GB?

You need four unbuffered non-ECC DDR3 DIMMs rated up to 2800 MHz overclocked or 1600 MHz standard to fill all slots and hit the 32 GB maximum.

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