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Green Micro-ATX board with black sockets and silver heatsinks

MSI

MSI A75MA-G55 AMD motherboard Socket FM1 32GB DDR3

SKU CH-TJ3T-8F5SC

Socket FM1 micro-ATX board with AMD A75 chipset, dual-channel DDR3 up to 1866 MHz and 32 GB maximum memory

  • CPU Socket TypeSocket FM1
  • CPU TypeAMD Llano APU, FM1
  • ChipsetAMD A75
  • Memory StandardSupport dual-channel DDR3 1866 +/1600/1333/1066MHz memory
  • Maximum Memory Supported32GB
  • PCI Slots2 PCI Express x16 slots - 1, slot (PCI_E1) supports PCIE 2.0
  • Dual-channel DDR3 up to 1866 MHz for responsive memory performance
  • AMD A75 chipset with Socket FM1 for Llano APU compatibility
  • 32 GB maximum memory capacity for multitasking headroom
  • Two PCI Express x16 slots with 2.0 x16 and x4 speeds for graphics expansion
  • Realtek ALC887 8-channel audio and Gigabit LAN for integrated connectivity

Socket FM1 APU platform

The MSI A75MA-G55 is a Micro ATX motherboard built around the AMD A75 chipset for Socket FM1 Llano APUs. It supports dual-channel DDR3 memory at 1866, 1600, 1333 and 1066 MHz up to a maximum of 32 GB. The board targets compact desktop builds that rely on integrated graphics.

Sustained load behaviour

Six SATA III ports handled by the A75 chipset keep storage throughput steady during long file transfers or RAID rebuilds. The Realtek PCI-E GbLAN controller (REL8111E) maintains 10, 100 and 1000 Mb/s network traffic without dropping to lower speeds. Onboard voltage regulation for the FM1 socket is designed for the thermal envelope of Llano APUs under continuous compute workloads.

Build and connectivity

A 1 PCI Express x16 slot running at PCIe 2.0 x16 and a second at x4 allow a discrete GPU plus an add-in card such as a capture or RAID controller. One PCI Express x1 slot and one legacy PCI slot supporting 3.3 V and 5 V buses remain for older expansion cards. Rear I/O supplies four USB 2.0 ports, Gigabit Ethernet and Realtek ALC887 8-channel audio with Azalia 1.0 compliance.

Pontos fortes

  • Dual-channel DDR3 up to 1866 MHz for responsive memory performance
  • AMD A75 chipset with Socket FM1 for Llano APU compatibility
  • 32 GB maximum memory capacity for multitasking headroom
  • Two PCI Express x16 slots with 2.0 x16 and x4 speeds for graphics expansion
  • Realtek ALC887 8-channel audio and Gigabit LAN for integrated connectivity

Especificações

BrandMSI
SeriesMSI A75MA-G55
ModelMSI A75MA-G55
CPU Socket TypeSocket FM1
CPU TypeAMD Llano APU, FM1
ChipsetAMD A75
Memory StandardSupport dual-channel DDR3 1866 +/1600/1333/1066MHz memory
Maximum Memory Supported32GB
PCI Slots2 PCI Express x16 slots
- 1, slot (PCI_E1) supports PCIE 2.0 x 16 speed execution
- 1, slot (PCI_E2) supports PCIE 2.0 x4 speed execution
1 PCI Express x1 slot
1 PCI slot, supports 3.3v/5v PCI main bus interface
SATA RAID6XSATA III interface
Audio ChipsetRealtek ALC887 Chip
- Supports 8-channel sound effects detected by intelligent sound interface
Compatible with Azalia 1.0 specifications
LAN ChipsetRealtek PCI-E GbLAN Controller REL8111E Chip
- Supports 10Mb/s, 100Mb/s and 1000Mb/s
Compliant with PCI-Express bus specification v1.0a.
Onboard USB4 USB 2.0 ports (backplane)

Perguntas sobre este artigo

Will this board take my AMD Llano APU in a micro-ATX case?

The board uses Socket FM1 and the AMD A75 chipset, which are built for Llano APUs, and its micro-ATX layout fits standard micro-ATX chassis.

What DDR3 speeds can I run and how much memory does it support?

It runs dual-channel DDR3 at 1866, 1600, 1333 or 1066 MHz and accepts up to 32 GB total.

How many SATA 6 Gbps drives can I connect and does it have Gigabit LAN?

Six SATA III ports are onboard for 6 Gbps drives, and the Realtek 8111 controller provides 10/100/1000 Mbps Ethernet.

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