STACKIT vs Aruba Cloud: Kubernetes Cost Comparison (2026)
Aruba Cloud is 65% cheaper than STACKIT for a 3-node Kubernetes cluster (€38 vs €107/mo)
At the cluster level, Aruba Cloud runs 65% cheaper, roughly €70/mo less than its competitor. STACKIT wins on network egress — unlimited egress vs paid. Aruba Cloud delivers ~2× the storage IOPS, which matters for write-heavy workloads like etcd or database operators. Choose Aruba Cloud for cost-efficient Kubernetes on a budget; choose STACKIT for lower egress costs at scale.
IOPS figures from the providers' documentation: STACKIT, Aruba Cloud.
Cheapest server with 2 vCPU / 4 GB
- STACKIT: C2I.2 (2 vCPU, 4 GB RAM) for €31.17/mo
- Aruba Cloud: VPS O2A4 (2 vCPU, 4 GB RAM, 40 GB disk) for €6.29/mo
Monthly list prices excl. VAT. More sizes in the instance finder.
 STACKIT |  Aruba Cloud | |
|---|---|---|
| HQ / Country | Germany | Italy |
| Managed Kubernetes | Yes | No (DIY) |
| Control Plane Cost | €74.63/mo | Self-managed |
| Cheapest Node | €11.91/mo 2 vCPU, 2 GB RAM | €6.29/mo 2 vCPU, 4 GB RAM |
| 3-Node Cluster* | ~€107.44/mo | ~€37.74/mo |
| 6-Node HA Cluster* | ~€143.17/mo | ~€56.61/mo |
| Egress | Unlimited | 2 TB free |
| S3 Storage | €0.006/GB | €0.030/GB |
| Certifications | ISO27001, ISO27017, ISO27018, C5, SOC2 | ISO27001, ISO9001 |
| CLOUD Act Exposure | No | No |
* Estimated using cheapest available node. DIY providers include 3 additional control plane nodes. Use the calculator for exact pricing with your specs.
Data freshness: STACKIT as of Sept 2026, Aruba Cloud as of May 2026.
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