HP ProDesk 490 G3 MT Business PC
Desktop, from 2016 6 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 DDR4-2133 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2133 288-pin DIMM
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- How sure
- 6 of 6 reports show this layout
See 4 GB DDR4-2133 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 6 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 ProDesk 490 G3 MT Business PC?
Yes. 4 slots, up to 16 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).
What type of RAM does the HP ProDesk 490 G3 MT Business PC use?
DDR4-2133 full-size sticks (DIMM, 288-pin).
How much RAM can the HP ProDesk 490 G3 MT Business PC take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 64 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 ProDesk 490 G3 MT Business PC.