Dell Inspiron 3891
Desktop, from 2022 7 hardware reports
Memory
Up to 12 GB
2 full-size slots
SSD
1+ M.2
At least 1 M.2 SSD slot
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 12 GB seen working.
It takes DDR4-2933 full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Type
- DDR4-2933 288-pin DIMM
- Most seen working
- 12 GB in two or more machines; one machine runs 32 GB
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 1 M.2 SSD slot listed by the firmware
- How sure
- 7 of 7 reports show this layout
See 4 GB DDR4-2933 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 7 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 Dell Inspiron 3891?
Yes. 2 slots, up to 12 GB seen working. It takes DDR4-2933 full-size sticks (DIMM).
What type of RAM does the Dell Inspiron 3891 use?
DDR4-2933 full-size sticks (DIMM, 288-pin).
How much RAM can the Dell Inspiron 3891 take?
Machines in the reports run up to 12 GB, and one runs 32 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the Dell Inspiron 3891 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 7 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 Inspiron 3891.