HP Compaq 8100 Elite SFF PC
Desktop, from 2009 28 hardware reports
Memory
Up to 16 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 16 GB seen working.
It takes DDR3-1333 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR3-1333 240-pin DIMM
- Most seen working
- 16 GB in two or more machines; one machine runs 24 GB 0
- How sure
- 28 of 28 reports show this layout
See 4 GB DDR3-1333 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 28 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.
4 full-size slots
Illustration Questions
Can I upgrade the RAM in the HP Compaq 8100 Elite SFF PC?
Yes. 4 slots, up to 16 GB seen working. It takes DDR3-1333 full-size sticks (DIMM).
What type of RAM does the HP Compaq 8100 Elite SFF PC use?
DDR3-1333 full-size sticks (DIMM, 240-pin).
How much RAM can the HP Compaq 8100 Elite SFF PC take?
Machines in the reports run up to 16 GB, and one runs 24 GB.
Is this my desktop?
Check the model name on the front or the label of the case. It should read Compaq 8100 Elite SFF PC.