BOXX Technologies APEXX S3 08
Desktop, from 2023 2 hardware reports
Memory

Up to 64 GB
4 full-size slots
SSD

5+ M.2
At least 5 M.2 SSD slots
Drives and power
Coming next
Checked from separate sources
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Upgradable
Yes. 4 slots, up to 64 GB seen working.
It takes DDR5-4000 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-4000 288-pin DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 5 M.2 SSD slots listed by the firmware
- How sure
- 2 of 2 reports show this layout
See 16 GB DDR5-4000 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 2 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 BOXX Technologies APEXX S3 08?
Yes. 4 slots, up to 64 GB seen working. It takes DDR5-4000 full-size sticks (DIMM).
What type of RAM does the BOXX Technologies APEXX S3 08 use?
DDR5-4000 full-size sticks (DIMM, 288-pin).
How much RAM can the BOXX Technologies APEXX S3 08 take?
Machines in the reports run up to 64 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Does the BOXX Technologies APEXX S3 08 have an M.2 SSD slot?
Yes. The firmware lists at least 5 M.2 SSD slots, in 2 reports. Some firmware leaves a slot out, so there may be more.
Is this my desktop?
Check the model name on the front or the label of the case. It should read APEXX S3 08.