ASUS KFSN4-DRE/RS161
Motherboard, from 2007 3 hardware reports
Memory

Up to 64 GB
16 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 16 slots, up to 64 GB seen working.
It takes DDR2-533 full-size sticks (DIMM).
- Slots
- 16 DIMM slots
- Type
- DDR2-533 240-pin DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 64 GB maximum
- How sure
- 3 of 3 reports show this layout
See 4 GB DDR2-533 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 3 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
16 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASUS KFSN4-DRE/RS161?
Yes. 16 slots, up to 64 GB seen working. It takes DDR2-533 full-size sticks (DIMM).
What type of RAM does the ASUS KFSN4-DRE/RS161 use?
DDR2-533 full-size sticks (DIMM, 240-pin).
How much RAM can the ASUS KFSN4-DRE/RS161 take?
Machines in the reports run up to 64 GB. That matches the 64 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 KFSN4-DRE/RS161.