How long do hard drives last?

If you have an older computer and aren't sure whether to buy a new one, here's something to consider: the age of your hard drive. Your photos, your videos, your music, and your apps and programs—all that precious data stored on your computer, lives on the hard drive. When that goes, so does everything else.

So how long do hard drives last? That depends. We'll break it down.

What's the average life span of a hard drive?

How long your drive lasts depends on the quality and type of your device—hard disk or solid-state—as well as how often you're using it.

Which lasts longer: hard disk drives vs solid-state drives?

Hard drives come in two forms: hard disk and solid-state.

Solid-state drives (SSD): These are the modern standard for virtually all computers today. With zero moving parts, SSDs are incredibly durable, access data almost instantly, and have a long lifespan of about 10 years or more.

Hard disk drives (HDD): These traditional, mechanical drives use spinning magnetic disks to read and write data. While they offer massive amounts of bulk storage for a cheaper price, they have more moving parts, are less durable, and are much more likely to fail.For this reason, HDDs tend to last only between 3–5 years.

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How long do external hard drives last?

External hard drives come in those same two types, so they share similar lifespans. But all that portability comes with the increased risk of damage to the hard drive, making them less reliable over time.

Signs of hard drive failure

You can't predict exactly when you'll have to replace your hard drive, but there are a few signs to look out for, including:

• Loud, unusual clicking or grinding noises coming from your computer tower (Note: This applies only to mechanical HDDs; modern SSDs fail silently).
• Frequent freezing, blue screen errors, or random crashes.
• Severe slowdowns when trying to open files or save documents.
• Files or folders suddenly disappearing or becoming corrupted.

How to prepare for hard drive failure

Your hard drive will eventually fail, but fortunately, you can prepare for it. The best thing you can do is keep your device backed up. Having copies of your data—on external drives or in cloud storage, or both—can save you from losing it—and your mind—if your hard drive stops working.

What to do if your hard drive has failed

If you forgot to back up your files and your hard drive stops working, you can try a data recovery service to retrieve lost—and even corrupted—files.