Object cloud backup 2026: Wasabi vs Backblaze vs S3 vs OVH.
Comparison of the 4 S3-compatible solutions for SME backup. Pricing, egress, immutability, sovereignty.
Wasabi Hot Cloud Storage
SMEs 1-200 TB, Veeam/Acronis backup, FinOps-first
- ✓No egress fees (free downloads)
- ✓No API call fees (unlimited PUT/GET)
- ✓Ultra-predictable pricing (single invoice line)
- ✓Native immutable Object Lock (anti-ransomware compliance)
- ✓EU regions: Paris, Amsterdam, Frankfurt, London
- ✓100% Amazon S3-compatible API
- ✓11 nines durability
- −Minimum 1 TB billed even if only 100 GB used
- −Minimum 90-day retention (deletion before then is billed)
- −Fewer native integrations than AWS S3
- −Average restore performance (fine for backup, not for analytics)
Veeam + Acronis backup, long-term SME archives, maximum FinOps
Backblaze B2 Cloud Storage
SMEs 1-100 TB, tech teams, dev tooling integration
- ✓Competitive pricing (among the cheapest)
- ✓10 GB egress/day free (generous)
- ✓S3-compatible API + native B2
- ✓Native Object Lock + Cloud Replication
- ✓US + EU datacenters (Amsterdam)
- ✓Cloudflare/Fastly CDN partnership (free egress via them)
- ✓Free tier 10 GB (POC + dev)
- −No France region (Amsterdam is the closest EU)
- −Admin tooling less rich than AWS/OVH
- −No SecNumCloud / FR sovereignty certification
Tech-savvy backup, B2 integration in dev pipelines, FinOps + egress flexibility
AWS S3 Glacier Instant Retrieval
SMEs already on AWS, integrated ecosystem, compliance archiving
- ✓Glacier Instant Retrieval archive: ms restore (vs hours for Glacier Deep)
- ✓Native integration with AWS services (Lambda, CloudWatch, Backup)
- ✓Automatic lifecycle policies (S3 Standard → Glacier auto)
- ✓Object Lock + Vault Lock compliance (SEC 17a-4, FINRA)
- ✓Regions Paris (eu-west-3) + Frankfurt + Stockholm
- ✓Immense AWS ecosystem documentation + tooling
- −Very expensive egress ($0.09/GB = ~$90/TB downloaded)
- −Opaque pricing: unpredictable invoices when traffic varies
- −Subject to the US Cloud Act
- −Min storage duration 90 days (early delete fee)
- −Min object size 128 KB (otherwise billed as 128 KB)
Long-term compliance archive, 100% AWS organisations, rarely restored datasets
OVHcloud Cold Archive
French SMEs, OIVs, sensitive data with sovereignty needs
- ✓The lowest archive price of the four: €1.70/TB/month
- ✓French sovereignty (no Cloud Act)
- ✓Datacenters in Roubaix, Strasbourg, Gravelines, Beauharnois
- ✓S3-compatible API
- ✓No standard API fees
- ✓Good integration with OVH Public Cloud (Object Storage + Cold Archive lifecycle)
- ✓SecNumCloud available for dedicated offers
- −Cold Archive: restore takes 4-24h (not instant)
- −Less UX tooling than AWS/Wasabi
- −API docs sometimes fragmented
- −Egress €0.01/GB (free on Wasabi)
Price-driven long-term compliance archive, FR sovereignty organisations, rarely restored datasets (>1/year)
Detailed comparison table
| Criterion | Wasabi | Backblaze B2 | AWS S3 Glacier | OVH Cold |
|---|---|---|---|---|
| Price / TB / month excl. tax | $7.99 | $6.95 | varies by region (Glacier IR) | €1.70 |
| Egress | Free | 10 GB/day free | $0.09/GB | €0.01/GB |
| PUT/GET API fees | Free | Included | Paid | Included |
| Restore latency | Instant (Hot) | Instant (Hot) | ms (IR) to 12h (Deep) | 4-24h (Cold) |
| Immutable Object Lock | Yes (native) | Yes | Yes + Vault Lock | Yes |
| S3-compatible API | 100% | Yes + native | Reference | Yes |
| France region | Paris | No (Amsterdam EU) | Paris (eu-west-3) | Roubaix/Strasbourg/Gravelines |
| Subject to US Cloud Act | Yes | Yes | Yes | No |
| Min storage duration | 90 days | None | 90 days (IR) | 180 days |
| Min billed object size | None | None | 128 KB | None |
| Free tier / trial | 30-day trial | 10 GB free | 5 GB S3 Standard 12 months | No global free tier |
| Veeam compatibility | Veeam Ready | Veeam Ready | Veeam Ready | Veeam Ready |
| Acronis compatibility | Native | Via S3 compat | Native | Via S3 compat |
Recommendation by profile
→ Wasabi
Zero egress + zero API fees = predictable invoice. Paris region. Ideal for immutable SME backup.
→ Backblaze B2
Competitive pricing + 10 GB egress/day free. Cloudflare/Fastly CDN integration with zero egress.
→ AWS S3 Glacier IR
AWS ecosystem integration (Lambda, Backup, CloudWatch). Auto lifecycle Standard → Glacier.
→ OVH Cold Archive
The lowest archive price of the four, €1.70/TB/month, outside the Cloud Act, datacenters in France.
How these products were selected
This page does not rank the market. The products compared were selected because each meets at least one public, verifiable criterion: listed in the ANSSI catalogue of certified and qualified products, included in an independent comparative test published in open access, or covered by an official price list available online. What the sources do not say is not asserted here.
- 1.Cloud Storage Pricing, Wasabi Technologies, checked 2026-09-09.Public price of $7.99 per TB per month, with no egress or API request fees.
- 2.B2 Cloud Storage Pricing, Backblaze, checked 2026-09-09.Public price of $6.95 per TB per month, free egress up to three times the stored volume.
- 3.Cold Archive, stockage d'archivage à froid, OVHcloud, checked 2026-09-09.Public price from €0.0017 excl. tax per GB per month, that is €1.70 per TB. Hosted in France, HDS and ISO 27001.
- 4.Amazon S3 Pricing, Amazon Web Services, checked 2026-09-09.Glacier Instant Retrieval billing rules: 128 KB minimum billable size, 90-day minimum storage duration. The per-GB price depends on the region.
Vendor pricing changes without notice: the check date says when we last looked. Spotted an error or a source worth adding? Write to us and the page is corrected.
3-2-1-1-0 backup architecture?
Backup audit + volume sizing + object cloud selection + Veeam/Acronis integration + monthly restore testing.