QNAP HS-453DX 4GB Silent NAS

With the HS-453DX-4G desktop NAS from QNAP you can efficiently store your files and data. Le système NAS HS-453DX-4G est directement raccordé au réseau - au contraire des disques durs externes normals. Vous travaillez ainsi de manière efficace en matière d’énergie et économisez du courant en comparaison d'un ordinateur normal. Tous les ordinateurs reliés au réseau peuvent profiter de la mémoire de the desktop NAS. It has an Intel Celeron J4105 1.5 GHz processor. It has Several users can access data at the same time thanks to the 4 GB of RAM. The following data storage arrays are available for this desktop NAS system: 0, 1, 10, 5, 6 and JBOD. 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.

When using RAID 0, hard drives (ideally of equal storage capacities) are interconnected and work in parallel — this means a higher, faster performance as computer tasks are not handled by just one drive. However, there is no fault tolerance because data is not mirrored, which means this RAID level is better suited for high speed storage of large volumes of data. When using RAID 1 your data will be mirrored from one drive to another so that if one fails you will not lose any information. This fault tolerance also means that your total drive storage capacity is halved due to duplicated content. For smaller NAS systems RAID 1 is an ideal option. When using RAID 5 your data is split among multiple drives and when one drive has an error the data is then copied and distributed to the other drives. This method offers you high data security and you can retain the total storage capacity of all your drives. It's the optimal choice for larger NAS systems with more than three hard drives. You get a higher level of data security when implementing RAID 6, even if two hard drives fail, the system will still be operational.

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