Topic hub
NAS
Everything that decides a NAS purchase: bays and RAID, the filesystem, RAM ceilings, ECC, and whether the box locks you to one drive brand. The lead category on this site.
Where to start
Comparisons
Glossary terms
- NAS
- Network-attached storage — a dedicated file server on your network.
- RAID 0/1/5/6/10
- Ways to combine drives for speed, redundancy, or both.
- SHR
- Synology Hybrid RAID — flexible redundancy across mixed drives.
- ZFS
- A copy-on-write filesystem with checksums, snapshots, and self-healing.
- Btrfs
- A copy-on-write Linux filesystem used by many NAS appliances.
- ECC RAM
- Error-correcting memory that catches single-bit flips.
- Hot-Swap Bay
- A drive slot you can change without powering down.
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