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Green rectangular ATX motherboard with silver I/O shield and multiple expansion slots

MSI

MSI B75A-IE35 Intel B75 motherboard LGA 1155 DDR3 16GB

SKU CH-2A9B-4JB4C

LGA 1155 board with Intel B75 chipset supporting 3rd Gen Core CPUs and up to 16 GB DDR3 at 2400 MHz

  • CPU Socket TypeLGA 1155
  • CPU Type3rd Gen Intel Core i7/Core i5/Core i3/Pentium/Celeron proces
  • ChipsetIntel B75
  • Memory StandardSupports dual-channel DDR3 2400 (overclocking)/2200 (overclo
  • Maximum Memory Supported16GB
  • PCI Slots1 x PCIe 3.0 x16 slot 2 x PCIe 2.0 x1 slots 3 x PCI slots
  • Supports 3rd Gen Intel Core processors with LGA 1155 socket
  • Dual-channel DDR3 memory up to 16 GB at 2400 MHz overclocked
  • PCIe 3.0 x16 slot plus two PCIe 2.0 x1 and three legacy PCI slots
  • Realtek ALC887 8-channel audio compliant with Azalia 1.0
  • Gigabit LAN via Realtek 8111E and USB 3.0 from Intel B75 chipset

Socket 1155 board for third-generation Intel Core

The MSI B75A-IE35 uses the Intel B75 chipset and accepts LGA 1155 processors including Core i7, i5, i3, Pentium and Celeron models. It provides dual-channel DDR3 memory support up to 16GB across a range of speeds from 1066 to 2400MHz overclocked. Expansion includes one PCIe 3.0 x16 slot, two PCIe 2.0 x1 slots and three legacy PCI slots for older add-in cards.

Steady operation with B75 chipset and Realtek audio

The board delivers six SATA ports, one running at SATA III speed and five at SATA II, allowing multiple drives to transfer data continuously without saturating a single channel. The Realtek ALC887 codec handles 8-channel output under Azalia 1.0 compliance, so sustained playback or recording sessions stay consistent. Gigabit Ethernet from the Realtek 8111E controller maintains wired throughput during long file moves or backups.

Practical limits of the B75 platform

USB 3.0 connectivity is restricted to two rear ports and one internal header supplied by the chipset itself, so front-panel high-speed ports are not available. Memory tops out at 16GB, which caps the system for modern multitasking workloads. The mix of PCIe 3.0, PCIe 2.0 and conventional PCI slots reflects the transition era of the platform, limiting bandwidth for newer expansion cards.

Highlights

  • Supports 3rd Gen Intel Core processors with LGA 1155 socket
  • Dual-channel DDR3 memory up to 16 GB at 2400 MHz overclocked
  • PCIe 3.0 x16 slot plus two PCIe 2.0 x1 and three legacy PCI slots
  • Realtek ALC887 8-channel audio compliant with Azalia 1.0
  • Gigabit LAN via Realtek 8111E and USB 3.0 from Intel B75 chipset

Specifications

BrandMSI
SeriesMSI B75A-IE35
ModelMSI B75A-IE35
CPU Socket TypeLGA 1155
CPU Type3rd Gen Intel Core i7/Core i5/Core i3/Pentium/Celeron processors with Socket 1155 architecture
ChipsetIntel B75
Memory StandardSupports dual-channel DDR3 2400 (overclocking)/2200 (overclocking)/2000 (overclocking)/1800 (overclocking)/1600/1333/1066MHz memory
Maximum Memory Supported16GB
PCI Slots1 x PCIe 3.0 x16 slot
2 x PCIe 2.0 x1 slots
3 x PCI slots
SATA RAID5XSATA II interface; 1xSATA III interface
Audio ChipsetRealtek ALC887 Audio Chip
- Supports 8-channel audio output
- Compliant with Azalia 1.0 specifications
LAN ChipsetLAN 10/100/1000 Fast Ethernet supported by Reaktek 8111 E
Onboard USBIntel B75 chip supports two USB 3.0 I/O ports
Intel B75 chip supports a USB 3.0 internal port

Questions about this item

How much power does the MSI B75A-IE35 draw and how hot does it run under 24/7 load?

The board uses the Intel B75 chipset and supports 3rd Gen Intel Core i7/i5/i3, Pentium and Celeron CPUs in an LGA 1155 socket; actual power draw and temperature depend on the specific processor and cooler you install.

Which DDR3 memory kit do I need to have on hand before this motherboard will post?

You need dual-channel DDR3 modules rated for 1066, 1333, 1600, 1800, 2000, 2200 or 2400 MHz, up to a total of 16 GB.

Will my existing PCI sound card and SATA II hard drive work alongside the MSI B75A-IE35?

Yes — the board provides three legacy PCI slots for the sound card and five SATA II ports plus one SATA III port for the hard drive.

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