Semp Toshiba STI
Desktop, from 2007 26 hardware reports
Memory

Up to 8 GB
2 full-size slots
Drives and power
Coming next
Checked from separate sources
8 of 26 machines sold under this name show 4 slots instead of 2. That is usually the smaller case. Count the slots inside yours before you buy.
Depends on the configuration
It depends on the configuration.
The reports show more than one memory layout for this desktop. Check the label or the system information before you buy.
- Slots
- 2 DIMM slots
- Type
- DDR3-1600 240-pin DIMM
- Most seen working
- 8 GB in two or more machines; one machine runs 18 GB
- Firmware says
- 4 GB maximum (often wrong, so we show what machines run)
- How sure
- 14 of 26 reports show this layout
See 4 GB DDR3-1600 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 26 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 Semp Toshiba STI?
It depends on the configuration: the reports show more than one memory layout for this desktop.
What type of RAM does the Semp Toshiba STI use?
DDR3-1600 full-size sticks (DIMM, 240-pin).
How much RAM can the Semp Toshiba STI take?
Machines in the reports run up to 8 GB, and one runs 18 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 STI.