I'm trying to verify something I heard: SSDs store data using electrical signals, and when they're powered off, they retain that data as long as those signals remain active. I've come across information suggesting that SSDs might only keep their data for about 6 months to a year if they're not in use. However, I know this can vary based on the specific SSD and other factors. So, is it true that an SSD can lose data if it hasn't been used for years?
5 Answers
Yes, it's called data rot, and it can happen. Generally, SSDs can retain data for about a year under certain conditions, but various factors like temperature and how much they've been used play a big role in their longevity.
It can definitely lose data over time. I've seen estimates ranging from 6 months to several years. Personally, I wouldn’t use SSDs for archiving important information. When I found an old WD Blue SSD after a year in a box, it still worked, but I wouldn't risk it for irreplaceable data.
It's kinda true! The 6 months to a year rule might be more relevant to the early SSDs. Most newer models are better, but I wouldn't trust an SSD to be fine after sitting powered off for over 2 years.
For sure, SSDs do have a limited lifespan without power. JEDEC standards say they should hold data for about a year depending on factors like temperature and wear. It's not a huge concern unless you're planning on using them for long-term storage without some sort of refresh.
Yeah, I've actually had two SSDs fail on me, so I can confirm they do have a limited time frame! It's definitely something to keep in mind if you're storing important files.
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