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Green Micro ATX motherboard with black sockets and silver heatsinks

MSI

MSI A88XM-E45 AMD motherboard Socket FM2/FM2+ DDR3 64GB Micro ATX

SKU CH-R7FW-Y8TV5

Micro-ATX board for FM2/FM2+ CPUs with dual-channel DDR3 up to 2133 MHz, 64 GB max, one PCIe 3.0 x16 slot, eight SATA ports, 7.1 audio and gigabit LAN

  • ProcessorSupports AMD Socket FM2 + A-Series/Athlon series processors
  • ChipsetAMD A88X
  • CPU socketSocket FM2/FM2+
  • Supported memorySupport dual-channel DDR3 2133/1866/1600/1333 MHz memory
  • Max supported RAM64 GB
  • PCI slots1 x PCIe 3.0 x16 slot * (PCI_E1 supports speeds up to x16 sp
  • Supports up to 64GB dual-channel DDR3 memory for high-capacity multitasking
  • PCIe 3.0 x16 slot delivers full graphics bandwidth for demanding GPUs
  • AMD A88X chipset enables FM2 and FM2+ processor compatibility
  • Realtek ALC887 codec provides 7.1 channel audio for immersive sound
  • Realtek RTL8111G Gigabit LAN handles 10/100/1000Mbps wired networking

Socket FM2/FM2+ Micro-ATX board

The MSI A88XM-E45 is a micro-ATX motherboard built on the AMD A88X chipset for Socket FM2 and FM2+ APUs. It supports dual-channel DDR3 memory up to 64 GB across speeds of 2133, 1866, 1600 and 1333 MHz. The board targets compact desktop builds that need legacy PCI connectivity alongside modern PCIe expansion.

Straightforward drop-in with legacy PCI

Installation follows the standard micro-ATX pattern: align the I/O shield, secure nine mounting holes and connect the 24-pin and 4-pin power headers. The single legacy PCI slot sits close to the PCIe 3.0 x16 slot, so a thick graphics card can block it; plan card order before seating components. Front-panel USB 2.0 headers are clearly labelled, reducing the chance of reversed pins.

Steady throughput for everyday workloads

The PCIe 3.0 x16 link delivers full bandwidth for a discrete GPU while the second x16 slot runs at x4 over PCIe 2.0, suitable for capture cards or additional storage controllers. Eight SATA 6 Gb/s ports maintain consistent throughput during prolonged file transfers, and the Realtek Gigabit LAN controller sustains 1000 Mb/s links without thermal throttling. Onboard 7.1 audio remains clean during extended sessions.

How it compares

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

Price $37.99
Cheaper than about 95% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI A88XM-E45
Model nameMSI A88XM-E45
Processor
ProcessorSupports AMD Socket FM2 + A-Series/Athlon series processors
* Also supports FM2 A series/Athlon processors
CPU socketSocket FM2/FM2+
ChipsetAMD A88X
Memory
Supported memorySupport dual-channel DDR3 2133/1866/1600/1333 MHz memory
Max supported RAM64 GB
Storage
SATA and RAID support8XSATA III interface
Audio & video
Audio chipRealtek ALC88 7 Codec
- 7.1 channel high-quality sound effects
Connectivity
Ethernet controllerGigabit LAN by Realtek RTL8111G Controller
- Supports 10Mb/s, 100Mb/s and 1000Mb/s
Compliant with PCI-Express specification v1.0a.
Ports & slots
Onboard USB headers4 USB 2.0 ports (front)
2 USB 2.0 ports (backplane)

Questions about this item

How can I confirm the MSI A88XM-E45 is working after installing an AMD FM2+ processor and DDR3 memory?

Power on the system and watch for the POST screen showing the MSI logo, detected CPU model, and the installed DDR3 capacity up to 64GB. Enter the UEFI to verify the A88X chipset, Realtek ALC887 audio, and Realtek RTL8111G LAN are all listed and enabled.

What ships with the board and what must I source separately?

The box contains the motherboard, a CMOS battery, one SATA cable, and the chassis I/O back panel. You will need to buy an FM2/FM2+ APU or Athlon CPU, DDR3 modules, a CPU cooler, a power supply, storage drives, and a case separately.

Which memory speed should I select for this A88X board?

The board runs dual-channel DDR3 at 2133, 1866, 1600, or 1333 MHz. Choose the highest speed your budget allows — 2133 MHz kits give the most bandwidth for the integrated graphics on FM2+ APUs.

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