HP Pavilion Gaming Desktop 690-00xx

Desktop, from 2018 13 hardware reports
Memory
Up to 32 GB
2 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 32 GB seen working.

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

Slots
2 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
32 GB in two or more machines
Firmware says
256 GB maximum (often wrong, so we show what machines run)
How sure
13 of 13 reports show this layout
See 16 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 13 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 Pavilion Gaming Desktop 690-00xx?

Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the HP Pavilion Gaming Desktop 690-00xx use?

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

How much RAM can the HP Pavilion Gaming Desktop 690-00xx take?

Machines in the reports run up to 32 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 Pavilion Gaming Desktop 690-00xx.