HP ProBook 4545s
Laptop, from 2012 17 hardware reports
Memory
Up to 8 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 8 GB seen working.
It takes DDR3-1600 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR3-1600 204-pin SO-DIMM
- Most seen working
- 8 GB in two or more machines
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 17 of 17 reports show this layout
See 4 GB DDR3-1600 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 17 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the HP ProBook 4545s?
Yes. 2 slots, up to 8 GB seen working. It takes DDR3-1600 laptop-size sticks (SO-DIMM).
What type of RAM does the HP ProBook 4545s use?
DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the HP ProBook 4545s take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
Is this my laptop?
Check the model name on the label underneath. It should read ProBook 4545s.