ASUS M4A77
Motherboard, from 2010 5 hardware reports
Memory
Up to 8 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 8 GB seen working.
It takes DDR2-800 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR2-800 240-pin DIMM
- Most seen working
- 8 GB in two or more machines
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 5 of 5 reports show this layout
See 8 GB DDR2-800 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 5 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
4 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASUS M4A77?
Yes. 4 slots, up to 8 GB seen working. It takes DDR2-800 full-size sticks (DIMM).
What type of RAM does the ASUS M4A77 use?
DDR2-800 full-size sticks (DIMM, 240-pin).
How much RAM can the ASUS M4A77 take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
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 M4A77.