S3 Storage that never leaves Europe
S3-compatible storage hosted in Germany. 1TB storage + 1TB traffic included. Free API requests, no egress traps. Same SDKs, same CLI — just change the endpoint.
Object Storage
scales with your needsexcl. VAT · Billed hourly · Cancel anytime · No lock-in · Full data portability
Full S3 API Compatibility
Use your existing S3 tools and SDKs. Just change the endpoint URL.
Supported S3 Operations
Path-Style Access
Compatible with all S3 clients. Recommended for most use cases.
Virtual-Host Style Access
AWS-style subdomain access. Great for static website hosting.
SFTP Access
NAS CompatibleTraditional file transfer protocol. Same S3 credentials. Perfect for NAS devices (Synology, QNAP, TrueNAS), backup software, and file managers like FileZilla and WinSCP.
Migrating from AWS? It takes 5 minutes, not 5 sprints.
Change your endpoint URL to s3.danubedata.ro and update your credentials. Same SDKs, same CLI tools, same code. Use rclone or aws s3 sync to move existing data — zero downtime, zero code changes.
Easy Integration
Get started in minutes with your favorite language or tool
# Configure AWS CLI
aws configure set aws_access_key_id YOUR_ACCESS_KEY
aws configure set aws_secret_access_key YOUR_SECRET_KEY
aws configure set default.region eu-central-1
# List buckets
aws --endpoint-url https://s3.danubedata.ro s3 ls
# Upload a file
aws --endpoint-url https://s3.danubedata.ro s3 cp file.txt s3://my-bucket/
# Download a file
aws --endpoint-url https://s3.danubedata.ro s3 cp s3://my-bucket/file.txt ./Upload Your First File in Under 2 Minutes
Four steps. No configuration headaches. No waiting.
Create Account
30 seconds
Create a Bucket
10 seconds
Get Access Keys
10 seconds
Start Uploading
Via S3 API or SFTP
Enterprise-Grade Features
Everything you need for production object storage
S3 API Compatible
Full compatibility with AWS S3 API. Use existing tools, SDKs, and applications without modification.
CORS Rules
Configure Cross-Origin Resource Sharing rules per bucket to safely serve assets directly from your storage to web applications.
Enterprise Security
Multiple encryption options (SSE-S3, SSE-KMS, SSE-C), TLS 1.3 in transit, and granular access controls with IAM-style policies.
High Throughput
Up to 473 MiB/s uploads and 460 MiB/s downloads with 8ms HEAD latency. Built on Ceph with 10 Gbps networking.
Access Keys
Create multiple access keys per bucket with fine-grained permissions for secure integrations.
SFTP Access
Access your buckets via SFTP using the same S3 credentials. Works with FileZilla, WinSCP, rsync, and any SFTP client.
Usage Metrics
Real-time monitoring of storage usage, request counts, and bandwidth consumption.
GDPR Compliant
Data stored exclusively in EU datacenters with full GDPR compliance and data sovereignty.
Object Browser
Built-in web-based file browser for easy uploads, downloads, and file management.
High Durability
99.999999999% (11 9s) durability with RAID 10 redundancy for maximum data protection.
Bucket Policies
Configure public access and lifecycle policies for automated management.
Real-World Performance
Independent benchmarks using MinIO warp with 16 concurrent connections over TLS
Throughput by Object Size
| Object Size | PUT | GET | PUT ops/s | GET ops/s |
|---|---|---|---|---|
| 1 MiB | 198 MiB/s | 409 MiB/s | 198 obj/s | 409 obj/s |
| 10 MiB | 354 MiB/s | 460 MiB/s | 35 obj/s | 46 obj/s |
| 64 MiB | 473 MiB/s | 459 MiB/s | 7.4 obj/s | 7.2 obj/s |
S3 Operation Performance
| Operation | Throughput | Avg Latency | p99 Latency |
|---|---|---|---|
| PUT | 198 obj/s | 69ms | 392ms |
| GET | 409 obj/s | 39ms | 147ms |
| HEAD | 151 obj/s | 8ms | 32ms |
| DELETE | 50 obj/s | 32ms | 217ms |
| LIST | 28,392 obj/s | 36ms | 67ms |
Methodology: Benchmarks performed using MinIO warp v1.4.0 with 16 concurrent connections over TLS to the public endpoint (s3.danubedata.ro). Tests ran for 2 minutes per operation from a server in the same Hetzner datacenter (Falkenstein, Germany). March 2026.
See What Your Current Provider Is Missing
Feature-by-feature: European S3 storage vs. US hyperscalers
| Feature | DanubeData | AWS S3 | Google Cloud | Azure Blob |
|---|---|---|---|---|
| S3 API Compatibility | - | - | ||
| EU Data Residency | Optional | Optional | Optional | |
| European-Owned Provider | - | - | - | |
| US Cloud Act Exposure | None | Yes | Yes | Yes |
| GDPR Compliant | ||||
| Included Storage | 1TB | None | None | None |
| Free Inbound Traffic | ||||
| Included Outbound Traffic | 1TB | Pay-per-GB | Pay-per-GB | Pay-per-GB |
| Free API Requests | - | - | - | |
| Built-in Object Browser | ||||
| Virtual-Host Style Access | - | - | ||
| Base Price (per month) | €3.99 | Pay-per-use | Pay-per-use | Pay-per-use |
Built for Every Use Case
From startups to enterprise applications
Static Website Hosting
Host static websites and SPAs directly from object storage with custom domains and SSL.
Media Storage
Store and serve images, videos, and audio files with CDN-ready delivery.
NAS & Server Backups
Automated backup destination via SFTP or S3 API. Works with Synology, QNAP, TrueNAS, rclone, rsync, and all major backup tools.
Data Lake
Centralized storage for analytics, machine learning, and big data workflows.
Content Distribution
Distribute software releases, packages, and large files globally.
GDPR & Regulatory Compliance
Meet EU data retention requirements with guaranteed European-only storage. Full audit trails for GDPR, eIDAS, and industry-specific regulations.
Predictable Pricing. No Surprise Bills.
No per-request fees, no egress traps. 20% less than Hetzner, up to 80% less than AWS EU regions.
Billed hourly. No long-term commitments.
Additional Storage
- Beyond 1TB included
- 18% cheaper than Hetzner
- Billed hourly
Additional Traffic
- Beyond 1TB included
- Inbound always free
- 20% cheaper than Hetzner
API Requests
- Unlimited API requests
- No per-request fees
- High rate limits
No contracts · No lock-in · Full data portability with standard S3 tools
Frequently Asked Questions
Everything you need to know about object storage
Your European Customers Expect Their Data to Stay in Europe
Switch in under 5 minutes — same tools, same code, same SDKs. The only thing that changes is where your data lives and who has jurisdiction over it.
No contracts · No lock-in · Full data portability via standard S3 tools · Cancel in one click