Sony VGN-FZ31

3 models from 27 hardware reports. 2 take more memory.

ModelMemoryMost seenUpgradeReports
VGN-FZ31M 2 DDR2 SO-DIMM slots 2 GB 3
VGN-FZ31SR 2 DDR2 SO-DIMM slots 2 GB 2
VGN-FZ31Z 4 GB in every report, slot unconfirmed 22