AWS has been continuously releasing n
ew instance types with powerful processors to support all kinds of compute requirements. The powerful C5 instances were among these, providing 25% to 50% more performance ability over price against the C4 instances. C5 is designed for heavy workloads like batch and log processing, data analytics, highly-scalable multiplayer gaming, and so on.
Sometimes, applications require high-speed, low-latency storage to go with their operations. Normally, we use Amazon S3 service to handle storage of valuable assets (such I/O files), intermediate files can be expendable. Sending volatile data to disk quickly allows users to maximize compute resources.
To help with this, AWS has released new C5 instances that come with local NVMe storage. These will be first available in 5 regions and will have the following specs:
| Instance | vCPUs | RAM | Local Storage | EBS | Network Bandwidth |
| c5d.large | 2 | 4 GiB | 1 x 50 GB NVMe SSD | Up to 2.25 Gbps | Up to 10 Gbps |
| c5d.xlarge | 4 | 8 GiB | 1 x 100 GB NVMe SSD | Up to 2.25 Gbps | Up to 10 Gbps |
| c5d.2xlarge | 8 | 16 GiB | 1 x 225 GB NVMe SSD | Up to 2.25 Gbps | Up to 10 Gbps |
| c5d.4xlarge | 16 | 32 GiB | 1 x 450 GB NVMe SSD | 2.25 Gbps | Up to 10 Gbps |
| c5d.9xlarge | 36 | 72 GiB | 1 x 900 GB NVMe SSD | 4.5 Gbps | 10 Gbps |
| c5d.18xlarge | 72 | 144 GiB | 2 x 900 GB NVMe SSD | 9 Gbps | 25 Gbps |
C5d resembles the original C5 in that it also has 3.0 GHz Intel Xeon Platinum 8000-series processors, tuned for working with EC2 and providing control over C-states on the two largest sizes. Thus, users may run two cores at up to 3.5 GHz using Intel Turbo Boost Technology.
C5d instances are currently available in US East (N. Virginia), US West (Oregon), EU (Ireland), US East (Ohio), and Canada (Central) Regions.
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