What are the advantages of SAN over NAS?

What are the major benefits of SAN that result in businesses choosing it over NAS? Do you think SAN is generally better than NAS, or is it just a dependent on the use case?

11 Answer

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It is dependent on use case. Generally NAS is used to store file level data and SAN is used to store block level data. Like for storing data like word Excel files NAS is used and SAN is used to store data from database applications. There are unified storages to store both file and block level data. Also SAN has more better bandwidth and better performance due to connectivity like fibre up to 32 Gbps and NAS has connectivity on network or LAN up to 10Gbps.

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