Positivo C4500A-21
Only one machine has reported its memory so far, so this answer rests on a single example. Check the label or open the panel before you buy.
Yes. 2 slots, up to 4 GB seen working.
It takes LPDDR4-2133 full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Type
- LPDDR4-2133 DIMM
- Most seen working
- 4 GB in the one machine reported
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 1 of 1 report show this layout
Worked out from 1 hardware report of this desktop. Sources and method. Updated 10 Nov 2026.
Check the drive you have.
The reports don't show this model's drive type yet. Look at the drive in it: a 2.5-inch box, about 7 by 10 cm, is SATA. A small stick is M.2, and its label says NVMe or SATA and its length (2230, 2242 or 2280).
- Drive type
- Check your current drive
How to tell a drive's type. Sources and method. Updated 10 Nov 2026.
Illustration Check the power rating on its label.
We don't have this model's power rating. Some all-in-ones run from an external adapter and others have the supply built in; the rating is on the adapter or on the label at the back.
- Rating
- On the supply's label
How to read a power supply label. Sources and method. Updated 10 Nov 2026.
Illustration Questions
Can I upgrade the RAM in the Positivo C4500A-21?
Yes. 2 slots, up to 4 GB seen working. It takes LPDDR4-2133 full-size sticks (DIMM).
What type of RAM does the Positivo C4500A-21 use?
LPDDR4-2133 full-size sticks (DIMM).
How much RAM can the Positivo C4500A-21 take?
Machines in the reports run up to 4 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 C4500A-21.