NAS

A NAS (network attached storage) unit is a device which holds one or more hard disks and connects in to your network, giving other devices access to the stored content. They run their own operating system, typically configured through a web browser. Features vary from unit to unit, but many offer things such as RAID support, automated back-ups and P2P downloads, media streaming and remote login, which allows you to access your content from anywhere in the world with an internet connection. Units with more bays can store more content, and they are sold both empty and with hard disks included.

NAS - 1 to 2 HDD Bays (Ex HDD)

These small-scale NAS units hold one or two HDDs. While this does limit their storage capacity a little, it also keeps their size and cost down. There are options for personal and family home use with user-friendly set-ups as well as for business users in a small or home office environment with more advanced features and greater processing power. These units are not sold with hard disks so you'll need to add your own – it's best to get matching models and capacities, especially if you plan on using RAID.

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NAS - 3 to 4 HDD Bays (Ex HDD)

These medium-size NAS units hold three or four HDDs. Entry-level units are great for home users and prosumers with lots of HD media and other data that needs centralising, while more advanced units come with faster processors and more advanced security and RAID features for business and surveillance users. These units are not sold with hard disks so you'll need to add your own – it's best to get matching models and capacities, especially if you plan on using RAID.

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NAS - 5+ HDD Bays (Ex HDD)

These NAS units are the largest around, offering five HDD bays at a minimum and ten or more in many cases. They are typically geared towards advanced users who need plenty of storage space, and many are supplied in rackmount cases for use in industry and large-scale businesses. These units are not sold with hard disks so you'll need to add your own – it's best to get matching models and capacities, especially if you plan on using RAID.

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1TB to 12TB 3.5" SATA NAS Hard Drives

These hard drives are specially engineered for maximum reliability and durability for use in NAS boxes. They also typically have a superior warranty to standard consumer-grade hard drives and ofen have special firmware that makes them more resistant to the problems caused by vibrations created by lots of drives mounted close together in NAS box. Choose from a wide variety of capacity points and performance levels.

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