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Green rectangular micro-ATX motherboard with black sockets and silver heatsinks

MSI

MSI 785GM-E51 AMD motherboard Socket AM3 DDR3 16GB Micro ATX

SKU CH-KJ37-FXXXP

Socket AM3 micro-ATX board with AMD 785G chipset, dual-channel DDR3 up to 16 GB, one PCIe 2.0 x16 slot, five SATA ports and Gigabit LAN

  • CPU Socket TypeSocket AM3
  • CPU TypeSupports 64-bit AMD Phenom II processors
  • ChipsetAMD 785G
  • Memory StandardSupport dual-channel DDR3 1600/1333/1066/800MHz memory
  • Maximum Memory Supported16GB
  • PCI Slots1 PCI Express x16 slot, supports PCIE 2.0 x 16 speed executi
  • Supports 64-bit AMD Phenom II processors for responsive computing
  • Dual-channel DDR3 up to 1600 MHz delivers 16 GB maximum capacity
  • PCI Express 2.0 x16 slot enables modern graphics performance
  • Realtek Gigabit LAN provides 10/100/1000 Mb/s wired connectivity
  • Realtek audio chipset supports 8-channel Blu-ray sound output

Socket AM3 platform

The MSI 785GM-E51 motherboard uses the AMD 785G chipset and a Socket AM3 CPU interface. It accepts 64-bit AMD Phenom II processors and fits a micro-ATX form factor. The board ships with a CMOS battery, one SATA cable and an I/O back panel.

DDR3 memory ceiling

Dual-channel DDR3 runs at 1600, 1333, 1066 or 800 MHz. The memory controller caps total capacity at 16 GB across the available slots. Speeds above 1600 MHz are not supported by this chipset.

Expansion and I/O limits

A single PCI Express 2.0 x16 slot handles graphics, while one PCI Express x1 slot and two 3.3 V or 5 V PCI slots provide legacy expansion. Five SATA II ports manage storage. Six USB 2.0 ports sit on the rear panel. Gigabit LAN tops out at 1000 Mb/s.

Highlights

  • Supports 64-bit AMD Phenom II processors for responsive computing
  • Dual-channel DDR3 up to 1600 MHz delivers 16 GB maximum capacity
  • PCI Express 2.0 x16 slot enables modern graphics performance
  • Realtek Gigabit LAN provides 10/100/1000 Mb/s wired connectivity
  • Realtek audio chipset supports 8-channel Blu-ray sound output

Specifications

BrandMSI
SeriesMSI 785GM-E51
ModelMSI 785GM-E51
CPU Socket TypeSocket AM3
CPU TypeSupports 64-bit AMD Phenom II processors
ChipsetAMD 785G
Memory StandardSupport dual-channel DDR3 1600/1333/1066/800MHz memory
Maximum Memory Supported16GB
PCI Slots1 PCI Express x16 slot, supports PCIE 2.0 x 16 speed execution
1 PCI Express x1 slot
2 PCI slots, supporting 3.3v/5v PCI main bus interface
SATA RAID5XSATA II interface
Audio ChipsetRealtek Advanced Sound Chip
- Support Blu-ray sound output
- Supports 8-channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
LAN ChipsetRealtek PCI-E GbLAN Controller 8111DL Chip
- Integrate Fast Ethernet MAC and PHY into a single chip
- Supports 10Mb/s, 100Mb/s and 1000Mb/s
Compliant with PCI-Express bus specification v1.0a.
Onboard USB6 USB 2.0 ports (backplane)

Questions about this item

Which DDR3 speed should I pick for this board?

The board supports dual-channel DDR3 at 1600, 1333, 1066 and 800 MHz. Choose the fastest speed your budget allows; all four are compatible.

What does the 16 GB maximum mean when I install modules?

You can install up to 16 GB total across the memory slots. Populate both channels with matched pairs for dual-channel operation.

What does the PCI Express 2.0 x16 slot limit in practice?

The slot runs at PCIe 2.0 x16 speed, capping graphics-card bandwidth to that generation's throughput.

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