ASUS P9X79
Motherboard, from 2011 28 hardware reports
Memory
Up to 64 GB
8 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 8 slots, up to 64 GB seen working.
It takes DDR3-1333 full-size sticks (DIMM).
- Slots
- 8 DIMM slots
- Type
- DDR3-1333 240-pin DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 96 GB maximum (often wrong, so we show what machines run)
- How sure
- 28 of 28 reports show this layout
See 8 GB DDR3-1333 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 28 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
8 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASUS P9X79?
Yes. 8 slots, up to 64 GB seen working. It takes DDR3-1333 full-size sticks (DIMM).
What type of RAM does the ASUS P9X79 use?
DDR3-1333 full-size sticks (DIMM, 240-pin).
How much RAM can the ASUS P9X79 take?
Machines in the reports run up to 64 GB. The firmware reports a maximum of 96 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 P9X79.