Dell OptiPlex GX280

Desktop, from 2004 8 hardware reports
Memory
Up to 2 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources

2 of 8 machines sold under this name show 2 slots instead of 4. That is usually the smaller case. Count the slots inside yours before you buy.

Upgradable

Yes. 4 slots, up to 2 GB seen working.

It takes DDR-533 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR-533 DIMM
Most seen working
2 GB in two or more machines
Firmware says
1 GB maximum (often wrong, so we show what machines run)
How sure
6 of 8 reports show this layout
See 8 GB DDR-533 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 8 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 Dell OptiPlex GX280?

Yes. 4 slots, up to 2 GB seen working. It takes DDR-533 full-size sticks (DIMM).

What type of RAM does the Dell OptiPlex GX280 use?

DDR-533 full-size sticks (DIMM).

How much RAM can the Dell OptiPlex GX280 take?

Machines in the reports run up to 2 GB. The firmware reports a maximum of 1 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 OptiPlex GX280.