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Green Micro ATX motherboard with silver FM2 socket, four black DDR3 slots, blue PCIe x16 slot, white PCIe x1 slot, white PCI slot

MSI

MSI A55M-E35 AMD motherboard Socket FM2/FM2+ A55 chipset DDR3 32GB Micro ATX

SKU CH-NAFV-CFNPN

Micro ATX board for Socket FM2/FM2+ CPUs with AMD A55 chipset, dual-channel DDR3 up to 2133 MHz, 32 GB max, PCIe 3.0 x16, 6 SATA II ports, Realtek ALC887 8-channel audio and Gigabit LAN

  • ProcessorAMD A-Series/Athlon series processors supporting AMD Socket
  • ChipsetAMD A55
  • CPU socketSocket FM2/FM2+
  • Supported memorySupports dual-channel DDR3 2133 (overclocking)/1866/1600/133
  • Max supported RAM32 GB
  • PCI slots1 PCI Express 3.0 x16 slot * 1 PCI Express 2.0 x1 slot 1 PCI
  • Supports AMD A-Series and Athlon processors on Socket FM2/FM2+ platform
  • Dual-channel DDR3 memory up to 2133 MHz overclocking with 32 GB maximum capacity
  • PCI Express 3.0 x16 slot plus PCI Express 2.0 x1 and PCI slots for expansion
  • Realtek ALC887 8-channel audio with jack sensing and Azalia 1.0 compliance
  • Realtek RTL8111G Gigabit LAN delivering 10/100/1000 Mb/s connectivity

Socket FM2/FM2+ micro-ATX board

This micro-ATX motherboard uses the AMD A55 chipset and accepts AMD A-Series or Athlon processors in the FM2 or FM2+ socket. It targets builders who need a compact platform for everyday computing or light multimedia work.

DDR3 memory ceiling and expansion limits

Dual-channel DDR3 runs at up to 2133 MHz when overclocked, with official steps at 1866, 1600, 1333 and 1066 MHz. The board caps total system memory at 32 GB. One PCI Express 3.0 x16 slot, one PCI Express 2.0 x1 slot and one legacy PCI slot provide the only add-in card options.

Six SATA II ports for storage

Six onboard SATA II connectors handle hard drives or SATA SSDs in RAID 0, 1, 5 or 10 arrays. Gigabit LAN from a Realtek RTL8111G controller and Realtek ALC887 8-channel audio complete the core I/O alongside ten USB 2.0 ports split between rear and front headers.

How it compares

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

Price $34.99
Cheaper than about 95% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI A55M-E35
Model nameMSI A55M-E35
Processor
ProcessorAMD A-Series/Athlon series processors supporting AMD Socket FM2 + architecture
* Also supports FM2 A series/Athlon processors
CPU socketSocket FM2/FM2+
ChipsetAMD A55
Memory
Supported memorySupports dual-channel DDR3 2133 (overclocking)/1866/1600/1333/1066 MHz memory
Max supported RAM32 GB
Storage
SATA and RAID support6XSATA II interface
Audio & video
Audio chipRealtek ALC887 Audio Chip
- Flexible 8-channel audio with jack sensing
- Compliant with Azalia 1.0 specification
Connectivity
Ethernet controllerGigabit LAN by Realtek RTL8111G Controller
- Supports 10Mb/s, 100Mb/s and 1000Mb/s
Compliant with PCI-Express bus v1.0a specifications
Ports & slots
PCI slots1 PCI Express 3.0 x16 slot *
1 PCI Express 2.0 x1 slot
1 PCI slot
Onboard USB headers6 USB 2.0 ports (backplane)
4 USB 2.0 ports (front)

Questions about this item

Should I choose the 32 GB maximum or run fewer modules for dual-channel DDR3?

The board supports up to 32 GB across four slots; populate two matching DDR3 modules for dual-channel operation at 1600 MHz or higher, or fill all four slots to reach the 32 GB limit.

What does the 2133 MHz overclocking rating mean for everyday DDR3 performance?

DDR3 2133 MHz is an overclocked profile; standard JEDEC speeds are 1066, 1333, 1600 and 1866 MHz, so most kits will run at 1600 or 1866 MHz without manual tuning.

How fast are the SATA II ports and the PCI Express 3.0 x16 slot in practice?

Six SATA II ports each cap at 3.0 Gb/s, while the single PCI Express 3.0 x16 slot provides up to 16 GT/s for a graphics card or other add-in board.

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