NAS tools
Free calculators to plan your NAS build.
RAID capacity calculator
Usable capacity, fault tolerance and efficiency for any RAID level.
Open →Storage planner
Estimate how much capacity your NAS needs - and how many drives that takes.
Open →Drive value frontier
Capacity vs price-per-TB on one chart - see the Pareto-optimal drives actually worth buying.
Open →RAID failure-risk calculator
Odds your array loses data, from real Backblaze failure rates, RAID level and rebuild time.
Open →Power-cost calculator
What your drives cost to run per year, from watts, hours active and your electricity price.
Open →Embeddable price widget
Add a free, auto-updating "cheapest NAS storage" list to your own site or blog.
Open →Free NAS drive dataset
Open data - specs, CMR/SMR and Backblaze failure rates - as JSON or CSV, CC BY 4.0.
Open →