
Synology updated its policy last year, to some consternation amongst users, in such a way that many drives were released from its list of supported devices. Which of the too is best is beyond the scope of this article, but it would be best to familiarize yourself with them to some degree while deciding on your purchase.ĭrive Compatibility: Believe it or not, not every NAS is fully compatible with every drive you can fit inside it, and your choices may become more limited as time goes on. Without going too deep, ext4 was built on ext3 and is generally considered more stable, while Btrfs offers newer features and is designed specifically for NAS in a way that ext4 was not. There are two primary file systems in use in the products we tested for this page: ext4 and Btrfs. Internal File System Support: Different NAS offer different file system support, which can have bearing on a user’s choice.
