Results from every tool here are for reference only. Estimates from typical figures — check against your own hardware before relying on them.
Storage & systems

Computers

Reference tools for the machines themselves — storage layout, capacity, and the trade-offs that come with keeping data safe. Starting with RAID.

RAID Calculator

Usable capacity, how many drives can fail, throughput, cost and rebuild risk — for every RAID level side by side.

capacity · resilience · throughput
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More storage & systems tools are on the way. This area is just getting started.