The c6in.metal is a compute-optimized AWS EC2 instance: 128 vCPU and 256 GiB of memory, 2.00 GiB per vCPU. In the name, "c" stands for compute, "6" is the generation, "in" marks Intel processors and enhanced networking and "metal" is the size within the c6in family. It runs on Intel Xeon 8375C (Ice Lake) at 3.5 GHz, and AWS introduced it in March 2023. AWS has since shipped c7i, c8in and c9g; c7g.metal is the direct replacement at this size. No single Spot node covers 128 vCPU and 256 GiB, so the equivalent is a fleet: 8 × ch.vs1.2xlarge, 128 vCPU and 256 GiB in total, about 95% below the US East (N. Virginia) on-demand rate. 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 | $7.258 | $1.691 | $4.572 | $2.635 | $0.328 | $6.930 savings |
| US Central, Chicago | no AWS region | $0.088 | ||||
| US Central, Dallas | no AWS region | $0.888 | ||||
| Hong Kong | $9.610 | $6.054 | $3.746 | $0.328 | $9.282 savings | |
| Sydney, Australia | $9.475 | $2.039 | $5.969 | $3.672 | $0.328 | $9.147 savings |
| London, UK | $8.602 | $2.398 | $5.419 | $3.597 | $1.048 | $7.554 savings |
| US West, San Jose | $9.072 | $0.907 | $5.715 | $3.642 | $0.016 | $9.056 savings |
| US Central, Dallas 2 | no AWS region | $0.976 | ||||
| US East, N. Virginia 2 | $7.258 | $1.691 | $4.572 | $2.635 | $1.296 | $5.962 savings |