Fujitsu LIFEBOOK A555


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; one machine runs 12 GB
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 13 of 13 reports show this layout
Worked out from 13 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 49 Wh or 72 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
From 13 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Fujitsu LIFEBOOK A555?
Yes. 2 slots, up to 8 GB seen working. It takes DDR3-1600 laptop-size sticks (SO-DIMM).
What type of RAM does the Fujitsu LIFEBOOK A555 use?
DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the Fujitsu LIFEBOOK A555 take?
Machines in the reports run up to 8 GB, and one runs 12 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
What battery does the Fujitsu LIFEBOOK A555 use?
Batteries in these laptops report 49 Wh or 72 Wh, going by 13 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the model name on the label underneath. It should read LIFEBOOK A555.