NAS and backup guides
Short, practical explanations of the decisions that matter when you buy storage and plan backups.
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- Guide
RAID levels explained
RAID combines several drives so that the NAS keeps working when one of them fails. Each level trades usable space against protection.
- Guide
The 3-2-1 backup rule
The 3-2-1 rule is the simplest test of whether a backup plan is good enough: three copies of your data, on two different devices, with one copy off-site.
- Guide
How to choose a NAS
Choosing a NAS comes down to five decisions. Get the first two right and the rest follow.
- Guide
Synology vs QNAP vs Asustor
All three brands make reliable NAS units. They differ in what they put first: Synology the software, QNAP the hardware options, Asustor the value.
- Guide
NAS vs cloud backup
A NAS and cloud storage are not rivals. Each covers the other's weak point, and a sound backup plan uses both.