Dell System XPS 15Z

Laptop, from 2011 8 hardware reports
Memory
8 GB
In every report, slot unconfirmed
SSD and charger
Coming next
Checked from separate sources
Check before you buy

Check before you buy.

Every machine in the reports has exactly 8 GB. Some laptops report soldered memory as a slot, so we can't confirm a free slot on this one. Open the bottom panel or check the maker's manual first.

Slots listed
2 SO-DIMM slots
Type
DDR3-1333 204-pin SO-DIMM
Most seen working
8 GB in two or more machines
Firmware says
8 GB maximum
How sure
8 of 8 reports show this layout

Worked out from 8 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots listed by the firmware
Illustration

Questions

Can I upgrade the RAM in the Dell System XPS 15Z?

Check before you buy. Every machine in the reports has exactly 8 GB. Some laptops report soldered memory as a slot, so we can't confirm a free slot on this one. Open the bottom panel or check the maker's manual first.

What type of RAM does the Dell System XPS 15Z use?

DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).

How much RAM can the Dell System XPS 15Z take?

Machines in the reports run up to 8 GB. That matches the 8 GB maximum the firmware reports.

Is this my laptop?

Check the model name on the label underneath. It should read System XPS 15Z.