| Volume Name | General Purpose SSD | Provisioned IOPS SSD | ||
| Volume type | gp3 | gp2 | io2 | io1 |
| Description | General Purpose SSD volume that balances price performance for a wide variety of transactional workloads | General Purpose SSD volume that balances price performance for a wide variety of transactional workloads | High performance SSD volume designed forbusiness-critical latency-sensitive applications | High performance SSD volume designed for latency-sensitive transactional workloads |
| Use Cases | virtual desktops, medium sized single instance databases such as MSFT SQL Server and Oracle DB, low-latency interactive apps, dev & test, boot volumes | Boot volumes, low-latency interactive apps, dev & test | Workloads that require sub-millisecond latency, and sustained IOPS performance or more than 64,000 IOPS or 1,000 MiB/s of throughput | Workloads that require sustained IOPS performance or more than 16,000 IOPS and I/O-intensive database workloads |
| Volume Size | 1 GB – 16 TB | 1 GB – 16 TB | 4 GB – 16 TB / 64 TB for io2 block express | 4 GB – 16 TB |
| Durability | 99.8% – 99.9% durability | 99.8% – 99.9% durability | 99.999% | 99.8% – 99.9% |
| Max IOPS / Volume | 16,000 | 16,000 | 64,000 / 256,000 for io2 block express | 64,000 |
| Max Throughput / Volume | 1000 MB/s | 250 MB/s | 1,000 MB/s / 4,000 MiB/s for io2 block express | 1,000 MB/s |
| Max IOPS / Instance | 260,000 | 260,000 | 160,000 / 260,000 MiB/s for io2 block express | 260,000 |
| Max IOPS / GB | N/A | N/A | 500 IOPS/GB / 1,000 IOPS/GB for io2 block express | 50 IOPS/GB |
| Max Throughput / Instance | 7,500 MB/s | 7,500 MB/s | 4,750 MB/s / 7,500 MB/s for io2 block express | 7,500 MB/s |
| Latency | single digit millisecond | single digit millisecond | single digit millisecond | single digit millisecond |
| Multi-Attach | No | No | Yes | Yes |
| Volume Name | Throughput Optimized HDD | Cold HDD |
| Volume type | st1 | sc1 |
| Description | Low cost HDD volume designed for frequently accessed, throughput-intensive workloads | Throughput-oriented storage for data that is infrequently accessed Scenarios where the lowest storage cost is important |
| Use Cases | Big data, data warehouses, log processing | Colder data requiring fewer scans per day |
| Volume Size | 125 GB – 16 TB | 125 GB – 16 TB |
| Durability | 99.8% – 99.9% durability | 99.8% – 99.9% durability |
| Max IOPS / Volume | 500 | 250 |
| Max Throughput / Volume | 500 MB/s | 250 MB/s |
| Max IOPS / Instance | 260,000 | 260,000 |
| Max IOPS / GB | N/A | N/A |
| Max Throughput / Instance | 7,500 MB/s | 7,500 MB/s |
| Multi-Attach | No | No |
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