HP Desktop Pro A MT

Desktop, from 2018 5 hardware reports
Memory
Up to 16 GB
2 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 16 GB seen working.

It takes DDR4-2666 full-size sticks (DIMM).

Slots
2 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
16 GB in two or more machines; one machine runs 40 GB
Firmware says
256 GB maximum (often wrong, so we show what machines run)
How sure
5 of 5 reports show this layout
See 8 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 5 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

2 full-size slots
Illustration

Questions

Can I upgrade the RAM in the HP Desktop Pro A MT?

Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the HP Desktop Pro A MT use?

DDR4-2666 full-size sticks (DIMM, 288-pin).

How much RAM can the HP Desktop Pro A MT take?

Machines in the reports run up to 16 GB, and one runs 40 GB. The firmware reports a maximum of 256 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 Desktop Pro A MT.