HP Pavilion All-in-One Desktop 27-ca1xxx
All-in-one, from 2022 2 hardware reports
Memory

Up to 16 GB
2 laptop-size slots
Drives and power
Coming next
Checked from separate sources
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Upgradable
Yes. 2 slots, up to 16 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
- 16 GB in two or more machines
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 2 of 2 reports show this layout
See 8 GB DDR4-3200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 2 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the HP Pavilion All-in-One Desktop 27-ca1xxx?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the HP Pavilion All-in-One Desktop 27-ca1xxx use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP Pavilion All-in-One Desktop 27-ca1xxx take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
Is this my desktop?
Check the model name on the front or the label of the case. It should read Pavilion All-in-One Desktop 27-ca1xxx.
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