HP d530 SFF
Desktop, from 2003 4 hardware reports
Memory

Up to 1 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 1 GB seen working.
It takes DDR-400 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR-400 DIMM
- Most seen working
- 1 GB in two or more machines; one machine runs 2 GB
- Firmware says
- 4 GB maximum (often wrong, so we show what machines run)
- How sure
- 4 of 4 reports show this layout
See 8 GB DDR-400 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 4 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 d530 SFF?
Yes. 4 slots, up to 1 GB seen working. It takes DDR-400 full-size sticks (DIMM).
What type of RAM does the HP d530 SFF use?
DDR-400 full-size sticks (DIMM).
How much RAM can the HP d530 SFF take?
Machines in the reports run up to 1 GB, and one runs 2 GB. The firmware reports a maximum of 4 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 d530 SFF.