Author: Craig Lloyd / Source: howtogeek.com
If you’re thinking about jumping into the NAS game and are shopping around for high-capacity hard drives, not just any hard drive will do. Here’s what you need to know.
It’s easy to think that all hard drives are equal, save for the form factor and connection type.
However, there’s a difference between the work your hard drive does in your computer versus the workload of a NAS hard drive. A drive in your computer may only read and write data for a couple hours at a time, while a NAS drive may read and write data for weeks on end, or even longer. This is why it’s important that you get the right hard drive for the job, and that goes doubly for drives you stick in a NAS. Let’s a take a deeper dive.NAS Hard Drives Are Built Specifically for a NAS Environment
The environment inside of a NAS box is much different than a typical desktop or laptop computer. When you pack in a handful of sweaty hard drives close together, several things happen: there’s more vibration, more heat, and a lot more action going on in general.
To cope with this, NAS hard drives usually have better vibration tolerance and produce less heat than regular hard drives, thanks to slightly-slower spindle speeds and reduced seek noise.
Furthermore, NAS hard drives come with specialized firmware that’s specific for use in a Redundant Array of Independent Disks (RAID) setup. RAID allows you to spread out data across multiple drives (depending on which RAID setup you go with), while your NAS see all these drives as just a single storage pool.
In short, the firmware on a regular desktop hard drive will force it to continuously try and recover a piece of data if a sector on that drive goes bad, which can result in timeouts. A NAS hard drive, on the other hand, won’t keep trying and trying. Instead, it simply reports an error so…
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