We had a Toshiba Satellite C55D with Win8. It only came with 8GB of RAM, which worked well for its time. Then, after upgrading to Win10, everything became very sluggish. We knew he needed to upgrade the RAM, but over time we forgot about it, and the laptop just got cornered and forgotten. After checking it out, we decided let's see if we can breathe new life into it. Ordered 2x8 GB cards, they fit perfectly, the laptop recognized them and everything seems to be a little faster than before. I would go for more RAM but the laptop only takes 16GB. No complaints yet.
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