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// BlogNAS how-tos.
Short, practical posts on RAID capacity, drive sizes and choosing the right network storage.
Synology RAID Calculator: How Much Usable Space Will You Get?
How to estimate usable space on a Synology NAS, including SHR with mixed drive sizes, and when a standard RAID calculator is enough.
How to Calculate RAID 5 Capacity (With Examples)
The RAID 5 capacity formula explained with worked examples for 3, 4, 5 and 8 drives, plus how RAID 6 and RAID 10 compare.
4TB vs 8TB NAS Hard Drive: Which Size Should You Buy?
A practical comparison of 4TB and 8TB NAS hard drives covering cost per terabyte, rebuild time, bay count and drive ratings.
NAS vs External Hard Drive: What’s the Difference?
A clear comparison of a NAS and an external hard drive, with a table and guidance on when each one makes sense.