ASUS PN51-E1
Motherboard, from 2021 8 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-3200 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-3200 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 32 GB maximum
- How sure
- 8 of 8 reports show this layout
See 16 GB DDR4-3200 SO-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 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the ASUS PN51-E1?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the ASUS PN51-E1 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the ASUS PN51-E1 take?
Machines in the reports run up to 32 GB, and one runs 64 GB. That matches the 32 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 PN51-E1.