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Green ATX motherboard with silver heatsinks and black expansion slots

ASUS

ASUS M3A78-T AMD 790GX DDR2 ATX motherboard

SKU CH-T5VM-H3C5A

Socket AM2/AM2+ ATX motherboard with AMD 790GX chipset supporting DDR2 memory up to 8GB

  • CPU socketSocket AM3
  • ChipsetAMD 790GX
  • Max supported RAM8 GB
  • Supports AM2/AM2+ processors with the AMD 790GX chipset
  • Runs DDR2 memory up to 8GB maximum capacity
  • ATX form factor fits standard desktop cases
  • Includes SATA cable and I/O back panel for connectivity
  • 100% inspected before shipment with CMOS battery included

ASUS M3A78-T AMD 790GX Motherboard

The ASUS M3A78-T is an ATX motherboard built around the AMD 790GX chipset. It targets builders maintaining or upgrading legacy AMD systems that rely on the AM2 or AM2+ socket platform. The board provides a stable foundation for desktop workloads using older processor generations.

Capacity and Headroom

The board supports a maximum of 8GB of DDR2 memory across its slots. This capacity suits typical office applications, media playback and light multitasking on compatible processors. Memory-intensive tasks such as virtualisation or modern content creation will exceed the available headroom.

Socket AM2/AM2+ Compatibility

CPU support is defined by the physical Socket AM2 and AM2+ interface. Processor choice is limited to CPUs designed for those specific sockets. Verify the exact processor model against the board's supported list before purchase to ensure functional compatibility.

How it compares

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

Price $58.99
Cheaper than about 89% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS M3A78-T
Model nameASUS M3A78-T
Processor
CPU socketSocket AM3
ChipsetAMD 790GX
Memory
Max supported RAM8 GB

Questions about this item

Will my existing DDR2 memory modules work with the AMD 790GX chipset on this board?

The ASUS M3A78-T uses the AMD 790GX chipset and supports DDR2 memory up to a maximum of 8GB, so your current DDR2 modules should be compatible.

How can I verify the ASUS M3A78-T is functioning correctly after installation?

After fitting the board, connect the supplied SATA cable and CMOS battery, then power on; a successful POST and BIOS screen confirm the motherboard is operating as intended.

What accessories come in the box with the ASUS M3A78-T and what must I source separately?

The package includes the motherboard, one CMOS battery, one SATA cable and an I/O back panel; you will need to obtain a CPU, DDR2 memory, a graphics card if required, and a power supply separately.

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