Head-to-head · Block Storage Services
Amazon Elastic Block Store (Amazon EBS) vs IBM Cloud Block Storage
Amazon Elastic Block Store (Amazon EBS) leads on 4 checks, IBM Cloud Block Storage on 0, and 3 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreAmazon Elastic Block Store (Amazon EBS) · 9.4/10
- Most featuresAmazon Elastic Block Store (Amazon EBS) · 4 of 4
Amazon Elastic Block Store (Amazon EBS) scores higher on our rubric for block storage services: 9.4 against 8.8 out of 10; our editors rank them #1 and #6.
Amazon Elastic Block Store (Amazon EBS) leads on max volume size: 64 TB versus 32 TB. Amazon Elastic Block Store (Amazon EBS) offers multi-attach; IBM Cloud Block Storage doesn't. Amazon Elastic Block Store (Amazon EBS) offers cross-region replication; IBM Cloud Block Storage doesn't. Amazon Elastic Block Store (Amazon EBS) leads on maximum iops: 80000 IOPS versus 64000 IOPS.
Amazon Elastic Block Store (Amazon EBS) is the better fit for AWS-native production block storage. IBM Cloud Block Storage is the better fit for IBM Cloud VPC workloads.
- Amazon Elastic Block Store (Amazon EBS) fits best
AWS-native production block storage
- IBM Cloud Block Storage fits best
IBM Cloud VPC workloads
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Side by side
| Feature | Amazon Elastic Block Store (Amazon EBS) 9.4/10 Visit ↗ | IBM Cloud Block Storage 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 8.8 |
| Ranking | #1 in Block Storage Services | #6 in Block Storage Services |
| Best for | AWS-native production block storage | IBM Cloud VPC workloads |
| Pricing model | Paid | Paid |
| Starting price | $0.08/mo | Not checked yet |
| Free plan | — | Not checked yet |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Support | Docs | Phone, Tickets, Community, Docs |
| Integrations | 7 integrations | 4 integrations |
| Built for | Small business, Mid-market, Enterprise | Mid-market, Enterprise |
| Features Amazon Elastic Block Store (Amazon EBS) 4/4 · IBM Cloud Block Storage 2/4 | ||
| Snapshots | ✓ | ✓ |
| Multi-attach | ✓ (best) | — |
| Encryption | ✓ | ✓ |
| Cross-region replication | ✓ (best) | — |
| Specs | ||
| Max volume size | 64 TB (best) | 32 TB |
| Volume types | gp2, gp3, io1, io2, st1, sc1, standard | sdp, general-purpose, 5iops-tier, 10iops-tier, custom |
| Maximum IOPS | 80000 IOPS (best) | 64000 IOPS |
| Our review | ||
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| Cons |
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| Our verdict | Amazon Elastic Block Store (Amazon EBS) provides persistent, block-level storage volumes for Amazon EC2 instances. It is suited to AWS workloads that need storage for boot volumes, databases, transactional applications,… Read the review → |
IBM Cloud Block Storage provides persistent SSD-backed block volumes for IBM Cloud VPC virtual servers and containerized applications. It supports both boot and data volumes, making it suitable for enterprise applications, databases,… Read the review → |
Strengths and trade-offs
Amazon Elastic Block Store (Amazon EBS) — where it wins
- Multiple SSD and HDD volume types for varied workloads
- Snapshots, encryption, replication, and live volume changes
- Deep integration with core AWS services and Amazon EC2
Where it doesn't
- No free plan for evaluating the service
- Usage-based pricing varies by AWS Region
- Some advanced features apply only to supported volume types
IBM Cloud Block Storage — where it wins
- Profiles support tiered, custom, and defined-performance configurations.
- Supports volumes up to 32,000 GB and performance up to 64,000 IOPS.
- Offers snapshots, encryption, and provisioning through Terraform, CLI, API, and console.
Where it doesn't
- There is no multi-attach support for sharing a volume across instances.
- Cross-region protection uses snapshot copying rather than live volume replication.
- The service is paid and pricing varies by region, profile, capacity, and billing period.
- Amazon Elastic Block Store (Amazon EBS)9.4/10 · From $0.08/mo
A broad AWS-native block storage service with flexible volume and snapshot options.
Visit Amazon EBSFull verdict → - IBM Cloud Block Storage8.8/10 · Paid
A flexible block storage service for IBM Cloud VPC workloads and Kubernetes storage.
Visit IBM CloudFull verdict →
More comparisons
- Amazon Elastic Block Store (Amazon EBS) vs Google Persistent Disk
- Amazon Elastic Block Store (Amazon EBS) vs Google Cloud Hyperdisk
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- Amazon Elastic Block Store (Amazon EBS) vs Huawei Cloud Elastic Volume Service (EVS)
- Amazon Elastic Block Store (Amazon EBS) vs Alibaba Cloud Cloud Disk
- Amazon Elastic Block Store (Amazon EBS) vs Tencent Cloud Cloud Block Storage (CBS)
- Google Persistent Disk vs IBM Cloud Block Storage
- Google Cloud Hyperdisk vs IBM Cloud Block Storage
All block storage services comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




