ASUS P5K PRO
Motherboard, from 2007 22 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; one machine runs 10 GB
- Firmware says
- 2 GB maximum (often wrong, so we show what machines run)
- How sure
- 22 of 22 reports show this layout
See 8 GB DDR2-800 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 22 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 P5K PRO?
Yes. 4 slots, up to 8 GB seen working. It takes DDR2-800 full-size sticks (DIMM).
What type of RAM does the ASUS P5K PRO use?
DDR2-800 full-size sticks (DIMM, 240-pin).
How much RAM can the ASUS P5K PRO take?
Machines in the reports run up to 8 GB, and one runs 10 GB. The firmware reports a maximum of 2 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 P5K PRO.