Direct comparison
IONOS Cloud vs SysEleven
IONOS Cloud or SysEleven? The direct cloud comparison of services, data centers, costs and sovereignty. Services, pricing, data centers and sovereignty in a direct comparison.
Management summary
As of 2026-07IONOS Cloud and SysEleven are both sovereign EU providers with maximum operational sovereignty (10/10) and a SEAL Score of 8.0/10, but they differ fundamentally in their strategic orientation. IONOS positions itself as a cost-efficient, broad-service platform with a strong focus on Bare Metal, containerization, and a wide Managed Service portfolio, making it attractive for standardized, scalable IaaS/PaaS scenarios. SysEleven, on the other hand, focuses on a customized, OpenStack-based infrastructure with the highest data security (9/10) and in-depth support, but is deliberately limited to a narrow, specialized service palette. While IONOS scores points with a broader range of Managed Databases and AI models, SysEleven offers specific cost advantages for Egress and Block Storage as well as a purely German presence without a global orientation. The choice thus depends on whether a broad, self-service service landscape (IONOS) or a highly secure, individually supported basic infrastructure (SysEleven) is in the foreground.
Methodology & data basisIONOS Cloud
EU providerUSP: German cloud with independent radio of CPU and RAM in public Cloud, Broad offering of shared and dedicated instances.
Recommendation: Recommended for cost-conscious companies that focus on the EU market and require a mix of shared and dedicated hardware.
SysEleven
EU providerUSP: German cloud platform built for tailored operations, not standardized infrastructure.
Recommendation: Custom-operated workloads with strong support requirements in a German cloud environment
Performance chart
IONOS Cloud and SysEleven across 8 core categories, compared with the average of all providers (1–10).
Market positioning
All 13 providers by sovereignty and portfolio performance — purely computed from the category ratings.
Positions are purely computational: X = mean of technological & operational sovereignty, Y = mean of all remaining rating categories (each 1–10). Not a ranking recommendation. Methodology & data basis
Strengths & weaknesses
Automatically derived from the editorially reviewed rating data and backed by the category ratings (1–10) — fair to both sides.
Strengths
- Highest operational sovereignty (10/10) combined with strong technological sovereignty (9/10), signaling full control from Europe and low lock-in due to an open standard stack.
- Above-average price-performance ratio (8/10) with a Cost Rating of 8.0/10, which is particularly competitive regarding CPU, RAM, and Egress costs.
- Mature Container and Bare Metal offering: Managed Kubernetes (8/10) and Bare Metal Servers (8/10) provide a solid basis for modern and performance-critical workloads.
- Broader Managed Service portfolio: With scores of 7/10 for databases and 3/10 for AI/Big Data, IONOS offers more productive services in these categories than the comparison partner.
Points to consider
- Limited strategic options (6/10): The innovation potential and portfolio depth beyond IaaS are only moderately pronounced compared to the average (6.2/10).
- Weak AI and Big Data capabilities (3/10 each): The scores are significantly below the industry average (4.8/10), indicating a limited offering of Managed Training and Analytics platforms.
- Average high availability (5/10): The score is below the average of all providers (6.7/10), indicating lower coverage by regions and disaster recovery tooling compared to the market standard.
Strengths
- Maximum data security & encryption (9/10): SysEleven convinces with technical data protection strength, including Secrets Management via Barbican, and high compliance standards (C5, ISO 27001).
- Attractive cost structure at key points: Despite an overall cost rating of 6.7/10, SysEleven offers free Egress (10/10), inexpensive Block Storage (9/10), and a Saving Plan discount of 54%.
- Purely German presence and jurisdiction: With 5 data centers exclusively in Germany and a SEAL Score of 8.0/10 (SEAL 3), the platform offers maximum geographic and legal control.
- Open stack without lock-in: The OpenStack-based platform with Managed Kubernetes (MetaKube) and the announced Terraform provider supports exit-friendliness and independence from proprietary technology.
Points to consider
- Very narrow strategic portfolio (4/10): The platform is deliberately designed for customized operation rather than service breadth, which strongly limits innovation headroom beyond IaaS and Kubernetes.
- Practically no AI and Analytics services (1/10 each): With the lowest possible scores in the AI and Big Data categories, the platform is unsuitable for data-driven or GenAI workloads.
- Low encryption product depth (3/10): There is no full-fledged KMS/HSM offering, but only Barbican Secrets, which barely covers enterprise requirements for key management.
Which provider when?
Use-case-based decision aid — both options are a valid choice.
Choose IONOS Cloud if:
- You need a broad range of Managed Services, including various databases (MySQL, PostgreSQL, MongoDB) and container orchestration, to minimize operational effort.
- Cost efficiency for compute resources (CPU/RAM) and Egress is a primary decision criterion for your workloads.
- You plan to use Bare Metal servers for performance-critical applications or need GPU instances for specific compute loads.
- You are looking for a cloud solution with an international presence (Europe and USA) for customers with global reach.
Choose SysEleven if:
- Highest data security and encryption (9/10) as well as strict compliance requirements (C5, KRITIS) are at the absolute forefront of your infrastructure planning.
- You prefer a purely German infrastructure with maximum geographic control and need individual, customized support for your operations.
- Your workloads are heavily based on Linux and open-source technologies (OpenStack, Kubernetes), and you benefit from free Egress costs and inexpensive Block Storage prices.
- You need a simple, transparent infrastructure without complex Managed Services that you want to fully control and operate yourself.
Service comparison by category
All 19 rating categories in a head-to-head duel (1–10). A notable lead is marked from a 2-point difference.
| Category | IONOS CloudvsSysElevenScale 1–10 | Avg. all | |
|---|---|---|---|
| Data Security & Encryption | 79 | 7.8 | Lead SysEleven |
| Technological Sovereignty | 99 | 7.4 | balanced |
| Operational Sovereignty | 1010 | 8 | balanced |
| Strategic Capabilities | 64 | 6.2 | Lead IONOS Cloud |
| Price | 86 | 6.4 | Lead IONOS Cloud |
| Collaboration Tools | 71 | 5.1 | Lead IONOS Cloud |
| Global Reach | 41 | 4.5 | Lead IONOS Cloud |
| Big Data | 31 | 4.8 | Lead IONOS Cloud |
| AI | 31 | 4.8 | Lead IONOS Cloud |
| Bare Metal | 81 | 5.2 | Lead IONOS Cloud |
| Virtualization | 61 | 5.7 | Lead IONOS Cloud |
| Containerization | 86 | 7.3 | Lead IONOS Cloud |
| Databases | 74 | 6.9 | Lead IONOS Cloud |
| High Availability | 55 | 6.7 | balanced |
| Microsoft | 41 | 4.5 | Lead IONOS Cloud |
| Linux | 88 | 8.8 | balanced |
| Encryption | 73 | 6.8 | Lead IONOS Cloud |
| Storage | 83 | 7.7 | Lead IONOS Cloud |
| Network | 75 | 7.8 | Lead IONOS Cloud |
Management Summary
Sovereign Cloud
SEAL Framework
Strategic (15 %)
Legal & Jurisdictional (10 %)
Data & AI (10 %)
Operational (15 %)
Supply Chain (20 %)
Technology (15 %)
Security & Compliance (10 %)
Environmental (5 %)
Availability & Locations
SoonCompute
shared & low-budget
Hot Storage
Cold Storage
Managed Databases
Network & Security
Orchestration
Virtualization
Management
Big Data
AI & Machine Learning
Compliance & Certificates
German cloud security catalogue
IT service management system standard
Information security management system
Cloud security controls for providers
Personal data protection for cloud
Energy management for data centers
Service organization control audit reports
Payment card data security standard
Quality management system standard
Cost Indication
vCPU/h
H100/h
GB/h
CPU/h
Ratio1/4
GB/h | 3000 IOPS
GB/h
Cluster/h
LLama3.3-70B per 1Mil tokens
LLama3.3-70B per 1Mil tokens
per GB
Our comparison methodology
The scores show a relative price comparison per service category. The lowest price earns 10 points; higher prices are marked down proportionally. Missing services are treated neutrally.
As of: List prices as of 11 September 2025, location Germany (DE).
More cloud comparisons
Frequently asked questions: IONOS Cloud vs SysEleven
What is the difference between IONOS Cloud and SysEleven?
IONOS Cloud offers a broader, service-oriented portfolio with a strong focus on Managed Services, Bare Metal, and containerization at a good price-performance ratio (Cost Rating 8.0/10). SysEleven, on the other hand, focuses on a highly secure, OpenStack-based basic infrastructure with maximum data security (9/10) and individual support, but deliberately refrains from a broad service palette and global reach.
Which provider is more sovereign?
Both providers achieve the maximum score for operational sovereignty (10/10) and a technological sovereignty of 9/10. In addition, both have a SEAL Score of 8.0/10 (SEAL 3). The difference lies in the geographic manifestation: SysEleven operates exclusively in Germany (1 country), while IONOS is also present in other European countries and the USA. For maximum geographic restriction, SysEleven is the stricter option; for operational independence, both are equivalent.
Who is cheaper?
The overall cost rating favors IONOS Cloud with 8.0/10 compared to SysEleven with 6.7/10. However, SysEleven offers specific advantages such as free Egress (10/10) and inexpensive Block Storage (9.0/10), while IONOS is cheaper for CPU and RAM. The actual costs are highly workload-dependent; IONOS is often cheaper for compute-intensive, standardized loads, SysEleven for storage-heavy scenarios with high data traffic.
Which provider offers better Managed Database Services?
IONOS Cloud is clearly superior here with a score of 7/10 and a broad portfolio of Managed Databases (MariaDB, PostgreSQL, MongoDB, In-Memory DB). SysEleven only reaches 4/10 and offers predominantly Managed VMs for databases, with real DBaaS currently only available for PostgreSQL and NoSQL only announced.
Are there differences in global reach?
Yes, IONOS Cloud has a score of 4/10 and is present in 5 countries (including Germany, UK, France, Spain, USA) with 10 Availability Zones. SysEleven has a score of 1/10 and is exclusively represented in Germany with 5 Availability Zones. For a global customer base, IONOS is better suited; for purely national projects, the restriction at SysEleven is irrelevant.
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