Preservation you can
afford to check.
Run fixity checks as often as you want — reading the collection back costs $0, so verification isn't rationed to once a year. Built in at $4.99/TB flat.
No credit card required · No egress fees · Connects in minutes
A fixity report is a snapshot. Decay doesn't wait for the next one.
Preservation depends on knowing the files are unchanged. Most storage makes checking expensive, so programs check once a year instead of continuously. Neither the gap nor the bill belongs in a serious archival program.
A year is a long time to not know.
A once-a-year fixity review confirms integrity on the day it runs. For the other 364 days the collection is unchecked. A problem that lands in month two surfaces ten months later — if the next review even catches it.
Verifying your archive is a metered read.
On metered tiers, every fixity review is a full-collection read priced per GB in retrieval and egress. The more thoroughly you preserve, the more it costs to check it — so teams check less than they should.
Proprietary tiers complicate the future.
Preservation is measured in decades. Storage tiers with restore delays, retrieval classes, and per-request semantics add operational risk to a workload whose entire point is to be simple, readable, and intact far into the future.
10 TB collection. One fixity review a year — or as often as you want.
Same preservation workload, four providers. Monthly storage plus the cost of reading the collection back to check it.
- Storage 10 TB/mo
- $236
- Retrieval + egress
- ~$75
- All-in / mo
- $311
- Storage 10 TB/mo
- $10
- Retrieval + egress
- ~$92
- All-in / mo
- $102
- Storage 10 TB/mo
- $70
- Retrieval + egress
- $0
- All-in / mo
- $70
- Storage 10 TB/mo
- $50
- Retrieval + egress
- $0
- All-in / mo
- $50
| Provider | Storage 10 TB/mo | Retrieval + egress | All-in / mo |
|---|---|---|---|
| AWS S3 Standard | $236 | ~$75 | $311 |
| AWS Glacier Deep Archive | $10 | ~$92 | $102 |
| Wasabi | $70 | $0 | $70 |
| Fil One You | $50 | $0 | $50 |
Scenario: 10 TB collection with one full fixity read per year, amortized monthly. AWS S3 Standard: ≈$236/mo storage ($0.023/GB) + ≈$75/mo amortized fixity (10 TB × $0.09/GB egress per year) ≈ $311/mo. AWS Glacier Deep Archive: ≈$10/mo storage ($0.00099/GB) + ≈$92/mo amortized fixity (10 TB × ($0.02 retrieval + $0.09 egress)/GB per year) ≈ $102/mo. Wasabi: $6.99/TB = $70/mo, no egress. Fil One: $4.99/TB = $50/mo, $0 egress. AWS and Wasabi rates from public US price cards, Q2 2026; figures indicative and rounded.
Reading included. Checking costs nothing.
Free reads, no archive-tier wait, and standard S3 tooling — so fixity checks stop being an annual event.
Free fixity checks, any time
Reading the collection back to re-verify checksums costs $0 in egress. Run fixity reviews as often as your program requires, not once a year.
No archive-tier wait
Objects are readable the instant you request them — no rehydration delay before a fixity check or an access request can run.
S3-compatible
Standard GetObject, PutObject, and multipart transfer. Preservation tools, BagIt workflows, and repository software that speak S3 connect without modification.
Object Lock for compliance
Configure retention from 1 day to 100 years at the bucket level, for collections that must not be altered or deleted early.
Preservation you can afford to check.
Free 1 TB evaluation. Write a collection and read it back to check it — at zero retrieval cost.
No credit card required · No egress fees · Connects in minutes