ASUS M5A78L-M LX3
Motherboard, from 2012 118 hardware reports
Memory
Up to 16 GB
2 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 16 GB seen working.
It takes the same type of full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 16 GB maximum
- How sure
- 118 of 118 reports show this layout
Worked out from 118 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
2 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASUS M5A78L-M LX3?
Yes. 2 slots, up to 16 GB seen working. It takes the same type of full-size sticks (DIMM).
How much RAM can the ASUS M5A78L-M LX3 take?
Machines in the reports run up to 16 GB. That matches the 16 GB maximum the firmware reports.
Is this my motherboard?
The model name is printed on the board, usually between the memory slots or near the CPU socket. In Windows, open System Information and look at "BaseBoard Product"; it should read M5A78L-M LX3.