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Green micro ATX motherboard with silver LGA 775 socket and blue DDR3 slots

MSI

MSI G41M-E43 Intel G41 LGA 775 DDR3 Micro ATX Motherboard

SKU CH-YMNK-92MTS

Supports Core 2 Quad and Duo CPUs on LGA 775 with DDR3 memory up to 4 GB

  • CPU Socket TypeLGA 775
  • CPU TypeIntel Core 2 Quad/Core 2 Duo based processors with Socket 77
  • ChipsetIntel G41
  • Memory StandardSupports dual-channel DDR3 1066/800MHz memory
  • Maximum Memory Supported4GB
  • PCI Slots1 PCI Express x16 slot (supports PCI Express bus specificati
  • Supports Intel Core 2 Quad and Duo processors via LGA 775 socket
  • Dual-channel DDR3 memory up to 1066 MHz for responsive multitasking
  • PCI Express x16 slot version 1.0 enables dedicated graphics expansion
  • Four SATA II ports provide storage connectivity for drives
  • Realtek 8111DL Gigabit LAN delivers wired network speeds up to 1000 Mbps

Socket 775 platform board

The MSI G41M-E43 pairs the Intel G41 chipset with an LGA 775 socket for Core 2 Quad and Core 2 Duo processors. It targets builders refreshing legacy desktops or assembling low-cost secondary systems. Dual-channel DDR3 support and a micro-ATX layout keep the board compatible with older chassis and memory kits.

PCI Express 1.0 and DDR3 1066 limits

The single PCI Express x16 slot operates at the 1.0 specification, capping graphics bandwidth below modern standards. Memory tops out at 4 GB across two slots running at 1066 or 800 MHz. Four SATA II ports provide 3 Gbps storage throughput, while the Realtek 8111DL controller delivers 10/100/1000 Ethernet. Four rear USB 2.0 ports handle basic peripherals.

Straightforward legacy install

Standard micro-ATX mounting holes and a conventional 24-pin plus 4-pin power arrangement simplify fitting the board into existing cases. The bundled I/O shield, SATA cable and CMOS battery cover the essentials. Builders should verify processor FSB compatibility at 1333, 1066 or 800 MHz and ensure the cooler clears the compact VRM area.

Highlights

  • Supports Intel Core 2 Quad and Duo processors via LGA 775 socket
  • Dual-channel DDR3 memory up to 1066 MHz for responsive multitasking
  • PCI Express x16 slot version 1.0 enables dedicated graphics expansion
  • Four SATA II ports provide storage connectivity for drives
  • Realtek 8111DL Gigabit LAN delivers wired network speeds up to 1000 Mbps

Specifications

BrandMSI
SeriesMSI G41M-E43
ModelMSI G41M-E43
CPU Socket TypeLGA 775
CPU TypeIntel Core 2 Quad/Core 2 Duo based processors with Socket 775 architecture
Intel Yorkfield, Wolfdale processors with Socket 775 architecture
Support FSB 1333/1066/800 MHz
Support VRD 11.1 processor power design standard
Support FMB 05a@95W
ChipsetIntel G41
Memory StandardSupports dual-channel DDR3 1066/800MHz memory
Maximum Memory Supported4GB
PCI Slots1 PCI Express x16 slot (supports PCI Express bus specification v1.0)
1 PCI Express x1 slot
2 PCI 2.3 specification 32-bit main bus slots (supporting 3.3v/5v PCI main bus interface)
SATA RAID4XSATA II interface
Audio Chipset1 PCI Express x16 slot (supports PCI Express bus specification v1.0)
1 PCI Express x1 slot
2 PCI 2.3 specification 32-bit main bus slots (supporting 3.3v/5v PCI main bus interface)
LAN Chipset1 PCI Express network port supports 10/100/1000 Fast Ethernet provided by Realtek 8111DL
Onboard USB4 USB 2.0 ports (backplane)

Questions about this item

Should I choose the 4 GB DDR3 version or is there a larger capacity option?

The board supports dual-channel DDR3 1066/800 MHz memory up to a maximum of 4 GB, so the 4 GB capacity is the only option listed.

What does the 1066 MHz memory rating mean once the board is installed in a system?

The memory controller runs at 1066 MHz with compatible DDR3 modules; actual throughput depends on the CPU front-side bus, which supports 1333/1066/800 MHz.

What interface standard do the SATA ports use and what speed does that cap in practice?

The four SATA ports follow the SATA II standard, giving a practical ceiling of 3 Gb/s per drive.

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