Stable archive
Mostly documents and a mature library with few new large files.
MAZENHARD NAS PLANNING TOOLS
Annual Growth: forecast your future NAS storage
See how quickly your files can grow, compare realistic scenarios and carry a year-by-year forecast into your complete NAS capacity plan.
Compound growthYear-by-year forecastScenario presetsOne-time importsCapacity planning
STEP 2 OF NAS PLANNING
Plan for tomorrow’s files—not only today’s
Your NAS may fit perfectly on installation day and become crowded much sooner than expected. Photos, 4K video, creative projects, device backups and surveillance recordings can increase storage every year.
This tool compounds annual growth because each year’s new files become part of the following year’s starting amount. It also lets you include a known one-time migration separately.
INTERACTIVE FORECAST
How quickly will your data grow?
Use the current-data total from the Current Files tool, then select the closest realistic growth scenario.Quick scenarios
Your year-by-year forecast
Starting from 8.00TB| Year | Starting data | New data that year | End-of-year total | Increase from today |
|---|
CHOOSING A GROWTH RATE
Use your recent history when possible
Typical household
Regular phone photos, computer backups and occasional media additions.
Growing media library
Frequent high-resolution photos, video, downloads or expanding family-device backups.
Creator workflow
RAW photography, 4K/8K footage, project versions, proxies and exports.
Rapid or new workload
A new surveillance system, production studio, research dataset or major digitization project.
These are planning examples, not universal benchmarks. Your own year-over-year change is the strongest starting point.
CALCULATE YOUR HISTORICAL RATE
Turn two measurements into a percentage
If you know your data total one year ago and today:
Annual growth % = (today − last year) ÷ last year × 100Use two or three years of records when available. A single unusual import can make one year look less representative.
WHY COMPOUND GROWTH?
New data becomes next year’s starting point
Your current files.
About 61% larger.
Nearly 2.5 times today.
More than triple.
Why simple addition underestimates: adding 20% of the original 10TB each year gives 20TB after five years. Compounding 20% on the growing total gives approximately 24.9TB.
WHAT DRIVES GROWTH?
Different files grow at different speeds
Higher-resolution cameras, RAW formats, edits and exported versions.
4K/8K resolution, higher frame rates, multiple cameras, proxies and project files.
More household devices and longer retention of historical backups.
Higher-bitrate movies, lossless music and new collections.
More cameras, higher bitrates, continuous recording and longer retention.
Frequent versions and long retention can consume additional NAS capacity.
CONTROL THE CURVE
Reduce waste without risking important data
Limit old device backups, surveillance recordings, snapshots and temporary exports according to recovery needs.
Move inactive projects to a protected archive tier while preserving an independent backup.
Use a careful review process and confirm backups before deleting duplicate libraries.
Do not give the same protection priority to downloads and caches as irreplaceable family photos.
Record the used capacity at consistent intervals so future forecasts use real behavior.
Configure storage warnings early enough to expand, clean up or migrate safely.
WHAT HAPPENS NEXT?
Turn projected files into physical drives
Current files
Measure unique source data today.
Annual growth
Forecast the future library.
Free-space headroom
Keep operational capacity available.
RAID and backup
Calculate physical disks and copies.
FAQ
Annual-growth planning questions
What annual growth rate should I use?
Compare used storage from consistent dates one year apart. If no history exists, choose a cautious scenario based on your workload and review the estimate after several months.
Why does the calculator compound growth?
Every year’s added data becomes part of the following year’s starting total. Compounding represents that accumulating base more accurately than repeatedly adding a percentage of today’s files.
What is the one-time import field?
It covers data you already know will move to the NAS, such as old external drives or cloud archives. The tool adds it before applying future growth.
Is the uncertainty allowance the same as free-space headroom?
No. Uncertainty covers an imperfect forecast. Headroom keeps part of the NAS usable capacity free for operation, snapshots and unexpected needs.
Does this result include RAID overhead?
No. This tool estimates future files. Use the full Storage Calculator to translate that usable-data need into a RAID drive configuration.
Should backup growth use the same percentage?
Often yes when backups retain the same expanding dataset, but retention and versioning can change the requirement. Plan backup capacity separately.
Can storage growth be negative?
It can after deliberate cleanup or retention changes, but this planner uses nonnegative rates for conservative purchasing. Model cleanup as a lower starting data total after it is safely completed.
How often should I update the forecast?
Quarterly or at least annually, and whenever a major workload changes—such as adding cameras, beginning 4K production or migrating a cloud archive.
READY FOR THE COMPLETE CAPACITY PLAN?
Add RAID, free space and backups
Your future file total is not yet the raw drive capacity you need.Educational planning estimate only. Actual growth can change with file formats, retention, workloads, compression, snapshots and user behavior. Review real storage use regularly before making a purchase.