The different types of Amazon EBS volumes are:

gp3 – General Purpose SSD (latest generation, cost-effective, customizable performance)

gp2 – General Purpose SSD (older generation, baseline performance with burst)

io2 – Provisioned IOPS SSD (high performance and durability, supports multi-attach)

io1 – Provisioned IOPS SSD (older generation of io2)

st1 – Throughput Optimized HDD (for large, sequential workloads like big data/log processing)

sc1 – Cold HDD (low-cost storage for infrequently accessed data)

magnetic (standard) – Previous-generation magnetic volumes (deprecated for most uses)