How long does something stay stored on a USB stick?

If you save something to a USB stick, how long does it take until it is automatically deleted?
And what about SD cards, CDs and HDD hard drives?

(2 votes)
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Kannixverstan
1 year ago

My experience:

On a USB stick I found ZIP archives, images and text files from 2001 in perfect condition.

Also my uraltes external hard drives run unproblematic.

Commodore64
1 year ago

That’s right. But after a while, something’s gonna break up, which prevents you from getting back to the data.

With an SSD and with Sticks/SD you have the problem that even only the electronics of the control can break and you can no longer get to the data even if the actual memory is completely intact.

Sticks and SD cards have no “wear leveling”. Flash memory can often be read “infinitely” but only a million (or less) are often described. Describe, more precisely, delete before describing is what causes damage. The first flash memories were broken after not even 100x describe! Nowadays, 100,000x to million times are common.

Every time you do something with a file in a directory, the directory will be overwritten at least 2x. This happens when creating, deleting and changing a file. If this happens too often, the file system is broken in place. The files are still completely intact, but the computer no longer finds them as the folder where the data are located is no longer readable. With special programs you can find and read the data.

How long a memory lasts before it breaks, it depends on how good or “cheap” the one is made, how it is stored and what exactly it is.

by manufacturing error or poor material or “Falsifications” can be that the memory is already delivered broken, when the first breaks down or a while later.

In the case of magnetic tapes, CD/DVD/Bluray, you have no electronics that can fail. Here the data is significantly safer.

They say that burned CD/DVD/Bluray lasts 10 years. But the warmer you store them, the faster they break. Normal CD/DVD/Bluray do not use any light. The data are written by bleaching an organic dye by laser light. Normal sunlight can also, just much slower.

On the other hand, there is the M-Disc. It is based on a mineral layer in which with an extra strong laser the data are really burnt pure and not only bleached. Then the data are virtually “cut in stone” and are supposed to last 1000 years, therefore the name M(illenium)-Disc. This will not hold the plastic, but you can assume that if you burn at least 2 sets, at least one could consider the rest of your life.

To describe you need a special burner, can be read in any normal drive.

skiddy
1 year ago

There’s nothing wrong. If you now store something on an external disk, keep it safe and protected from light and never catch it again, then it’s just the life of the hardware.

Life of such devices can be viewed on the Internet. Don’t know this from my head and don’t want to do my job to look for it.

Jensen1970
1 year ago
Reply to  skiddy

Wrong answer.

skiddy
1 year ago
Reply to  Jensen1970

I wouldn’t say. She hardly differs from yours.

schortkramer
1 year ago

comes on the stick. When the sticks had only a few MB of memory, they were theoretically durable forever. The inventor wanted to build something that survives a plane crash in the middle of the Atlantic, even if the stick can only be recovered after decades.

Usagi199y
1 year ago
  1. USB sticks are flash memory devices and have a limited number of write and delete cycles. If they are used under normal conditions, the data stored on them should remain for years. However, there is no fixed time after which data is automatically deleted. The durability depends on the quality of the USB stick and the integrity of the data.
  2. SD cards: SD cards are also flash storage media and are subject to similar conditions as USB sticks. The durability of the data on an SD card depends on the quality of the card and storage technology. As a rule, data on SD cards should remain for years.
  3. CDs/DVDs: Optical media such as CDs and DVDs are generally durable when they are properly treated and stored. Data on this media should remain for many years, provided they are protected from scratches and extreme conditions.
  4. HDD hard drives: HDDs are mechanical drives and have movable parts. The durability of data on HDDs can vary, but they are usually robust and can store data for years if they are not damaged and stored in a suitable environment. However, HDDs are more susceptible to physical failures compared to solid-state drives (such as USB sticks and SSDs).
Jensen1970
1 year ago

10 years.

Superhasenmaus
1 year ago

It’s not automatically extinguishing. The media are only old and brittle. It’s like CDs.

Jensen1970
1 year ago
Reply to  Superhasenmaus

Just like that.