i7i.48xlarge is AWS's storage-optimized EC2 size at 192 vCPU and 1536 GiB. In the name, "i" is I/O, meaning local storage, "7" is the generation, "i" marks Intel processors and "48xlarge" is the size within the i7i family. It runs on Intel Xeon Scalable (Emerald Rapids) at 3.2 GHz, and AWS introduced it in April 2025. AWS has since shipped i8g; i8g.48xlarge is the direct replacement at this size, scoring 5,308,633 CoreMark/s against this instance's 3,889,527 — roughly 36% more throughput for the same vCPU count. The closest Spot shape is mh.vs1.2xlarge at 16 vCPU, so this instance maps to 12 of them — 192 vCPU and 1536 GiB across the fleet, $18.12/hr on AWS in US East (N. Virginia), from $0.252/hr on Rackspace Spot. Spot delivers compute as managed Kubernetes, so a node pool of that size is the native shape of the answer rather than a workaround — provided the workload scales horizontally.
| Region | AWS on-demand | AWS Spot | 1-yr Reserved | 3-yr Reserved | Rackspace Spot | You save |
|---|---|---|---|---|---|---|
| US East, N. Virginia | $18.121 | $6.404 | $0.252 | $17.869 savings | ||
| US Central, Chicago | no AWS region | $0.252 | ||||
| US Central, Dallas | no AWS region | $1.572 | ||||
| Hong Kong | $23.929 | $0.252 | $23.677 savings | |||
| Sydney, Australia | $21.722 | $3.059 | $0.252 | $21.470 savings | ||
| London, UK | $21.025 | $3.968 | $1.572 | $19.453 savings | ||
| US West, San Jose | $19.980 | $2.377 | $0.024 | $19.956 savings | ||
| US Central, Dallas 2 | no AWS region | $2.904 |