Most bang for your buck with AWS Elastic Block Store (EBS) in 2025
What’s New in 2025
Key Updates and Changes
- GP3 Now Standard: GP3 volumes offer 20% cost savings over GP2 with independent IOPS/throughput provisioning
- IO2 Block Express: Supports up to 256,000 IOPS and 4,000 MB/s throughput
- Multi-Attach Support: IO2 volumes can now attach to multiple EC2 instances simultaneously
- Enhanced Durability: IO2 offers 99.999% durability vs IO1’s 99.9%
- Elastic Volumes: Modify volume type, size, or performance without downtime
Migration and Cost Optimization
- GP2 to GP3: Save 20% per GB with better baseline performance (3,000 IOPS, 125 MB/s)
- IO1 to IO2: Get 500 IOPS per GB (vs 50 for IO1) at similar pricing
- Volume Modification: Changes typically complete within 6 hours for 1TB volumes
Getting the most bang for your buck with AWS Elastic Block Store (EBS)
Understanding what AWS/EC2 provides for provisioning on-demand storage is critical for DevOps. Companies waste tons by over provisioning AWS. In 2025, with GP3 volumes and IO2 Block Express, there are more opportunities than ever to optimize costs while improving performance.