You can buy the 6TB version for around $100/ £150 from Amazon. They also offer power management so they can adjust performance based on their temperature.Ī popular choice is the WD Red range. Hard disks designed for NAS use include more secure construction providing more resistance to vibration, which makes a lot of sense for a drive that’s designed to be on the whole time. NAS drives usually cost slightly more than normal PC hard drives, but it’s worth spending the extra because they’re designed to run constantly and tend to have a better warranty.

A 4TB drive specifically for NAS use will set you back about $100/ £100. You can now get disks up to 12TB in size, and you can expect to pay around $250/ £300 for one. The advantage is that you can choose the drives you want and easily upgrade them later on.

Many NAS drives come with no disks at all – these are known as diskless or bare drives. Try to work out how much storage you need right now, and what you’ll require five years from now. One of the first decisions to make is capacity.

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