Fujitsu LIFEBOOK A556
Yes. At least 2 slots, up to 4 GB seen working.
It takes DDR4-2133 laptop-size sticks (SO-DIMM).
- Slots
- At least 2 SO-DIMM slots
- Firmware lists
- 4 sockets, but no machine in the reports had more than 2 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
- Type
- DDR4-2133 260-pin SO-DIMM
- Most seen working
- 4 GB in two or more machines; one machine runs 16 GB
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 3 of 3 reports show this layout
Worked out from 3 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 45 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 3 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Fujitsu LIFEBOOK A556?
Yes. At least 2 slots, up to 4 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the Fujitsu LIFEBOOK A556 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Fujitsu LIFEBOOK A556 take?
Machines in the reports run up to 4 GB, and one runs 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
What battery does the Fujitsu LIFEBOOK A556 use?
Batteries in these laptops report 45 Wh, going by 3 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 A556.