Buffalo TeraStation TS3420RN 8TB NAS

The TS3420RN0804-EU rackmount NAS from Buffalo efficiently stores your data and files. It has a considerable 8 TB storage capacity. Unlike traditional external hard drives, you can simultaneously connect all computers in your network to this NAS (network-attached storage) device. It offers you sufficient storage space and uses far less electricity than regular PCs. It comes with It has a Quad core 1.4 GHz processor. Several users can access data at the same time thanks to the 1 GB of RAM. The following data storage forms are available for this rackmount NAS system: 0, 1, JBOD, 10, 5 and 6. Using a JBOD architecture to create a multi-disk storage space means you can combine hard drives of random sizes and will not lose the storage capacity of any of them. This is not the case with RAID levels.

Using RAID 0 means your hard drives (ideally of equal storage capacities) are interconnected and work parallely. This increases performance and speed as the work is split bewteen multiple drives, but there is no fault tolerance. Using RAID 1 means you get high data security. This is achieved by mirroring, which simply means that your data is duplicated from one drive to another, so that if one fails, nothing is lost. This also means that the total storage capacity of your drives will be halved. RAID 1 is best suited for smaller NAS systems. Using RAID 5 means your data is split among multiple hard drives — when one drive has an error the data is copied and distributed to the other drives. With this method you can retain the storage capacity of all your drives. It's the ideal choice for larger NAS systems with more than three drives. RAID 6 offers you high data security and is still operational even if two hard drives in the system fail.

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