ASUS P5B-MX/WiFi-AP
Motherboard, from 2007 8 hardware reports
Memory
Up to 4 GB
2 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 4 GB seen working.
It takes DDR2-667 full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Type
- DDR2-667 240-pin DIMM
- Most seen working
- 4 GB in two or more machines
- Firmware says
- 4 GB maximum
- How sure
- 8 of 8 reports show this layout
See 8 GB DDR2-667 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 8 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 P5B-MX/WiFi-AP?
Yes. 2 slots, up to 4 GB seen working. It takes DDR2-667 full-size sticks (DIMM).
What type of RAM does the ASUS P5B-MX/WiFi-AP use?
DDR2-667 full-size sticks (DIMM, 240-pin).
How much RAM can the ASUS P5B-MX/WiFi-AP take?
Machines in the reports run up to 4 GB. That matches the 4 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 P5B-MX/WiFi-AP.