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Green rectangular Micro ATX motherboard with silver CPU socket and DDR2 memory slots

ASUS

ASUS M3N78-AM AMD motherboard Socket AM2+ DDR2 8GB Micro ATX

SKU CH-SBW4-0X8T3

Micro ATX board with Socket AM2+ supporting 8GB DDR2, includes SATA cable and I/O panel

  • CPU socketSocket AM2+
  • Max supported RAM8 GB
  • Socket AM2/AM2+ fits existing AMD processors
  • DDR2 memory support up to 8 GB capacity
  • Micro ATX form factor suits compact builds
  • Includes SATA cable for drive connectivity
  • 100 % inspected and tested before shipping

ASUS M3N78-AM Micro ATX Motherboard

The ASUS M3N78-AM is a Micro ATX motherboard built for AMD Socket AM2+ processors. It supports up to 8GB of DDR2 memory across its DIMM slots. The board includes integrated graphics outputs and standard rear I/O for everyday connectivity. It fits compact chassis that accept the Micro ATX form factor.

Suits Socket AM2+ upgrades; not for other sockets

This board suits builders replacing a failed Socket AM2+ board or assembling a basic legacy system. It provides a direct fit for existing AM2+ CPUs and DDR2 modules without platform changes. Users needing AM3, AM4 or newer AMD sockets must select a different motherboard. The maximum memory ceiling of 8GB also limits multitasking headroom.

8GB DDR2 maximum memory capacity

The single specification that decides compatibility is the 8GB DDR2 memory limit. If the intended workload requires more than 8GB of system memory, this motherboard cannot meet the requirement. Buyers should verify their CPU is a Socket AM2+ model and that their memory kit is DDR2 before purchasing. No other memory types are supported.

How it compares

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

Price $50.99
Cheaper than about 91% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS M3N78-AM
Model nameASUS M3N78-AM
Processor
CPU socketSocket AM2+
Memory
Max supported RAM8 GB

Questions about this item

Will my existing DDR2 modules work with the 8GB maximum on this board?

The board supports up to 8GB of DDR2 memory, so any compatible DDR2 modules you already own can be used within that limit.

How can I verify the board is functioning after installation?

A successful POST with the CMOS battery installed and the I/O back panel connected shows the board is working as intended.

What accessories are included and what must I source separately?

The package includes the motherboard, one CMOS battery, one SATA cable and the chassis I/O back panel; CPU, memory, cooler and any additional cables are not included.

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