Over the last 18 months, we have launched AMD-powered M5a and R5a/M5ad and R5ad, and T3a instances to provide customers additional choice for running their general purpose and memory intensive workloads. Built on the AWS Nitro System, these instances are powered by custom 1st generation AMD EPYC™ processors. These instances are priced 10% lower than comparable EC2 M5, R5, and T3 instances, and provide you with options to balance your instance mix based on cost and performance.

Today, I am excited to announce the general availability of compute-optimized C5a instances featuring 2nd Gen AMD EPYC™ processors, running at frequencies up to 3.3 GHz. C5a instances are variants of Amazon EC2’s compute-optimized (C5) instance family and provide high performance processing at 10% lower cost over comparable instances. C5a instances are ideal for a broad set of compute-intensive workloads including batch processing, distributed analytics, data transformations, log analysis, and web applications.

You can launch C5a instances today in eight sizes in the US East (N. Virginia), US East (Ohio), US West (Oregon), Europe (Ireland), Europe (Frankfurt), Asia Pacific (Sydney), and Asia Pacific (Singapore) Regions in On-Demand, Spot, and Reserved Instance or as part of a Savings Plan. Here are the specs:

Instance NamevCPUsRAMEBS-Optimized BandwidthNetwork Bandwidth
c5a.large
24 GiBUp to 3.170 GbpsUp to 10 Gbps
c5a.xlarge
48 GiBUp to 3.170 GbpsUp to 10 Gbps
c5a.2xlarge
816 GiBUp to 3.170 GbpsUp to 10 Gbps
c5a.4xlarge
1632 GiBUp to 3.170 GbpsUp to 10 Gbps
c5a.8xlarge
3264 GiB3.170 Gbps10 Gbps
c5a.12xlarge
4896 GiB4.750 Gbps12 Gbps
c5a.16xlarge
64128 GiB6.3 Gbps20 Gbps
c5a.24xlarge
96192 GiB9.5 Gbps20 Gbps

But wait, there’s more! Disk variants, C5ad, that come with fast, local NVMe instance storage and bare metal variants, C5an.metal and C5adn.metal, are coming soon.

The C5a instances will be supported across a broad set of AWS services that support C5 today, including AWS Batch, Amazon EMR, Elastic Container Service (ECS), and Elastic Kubernetes Service(EKS). C5a are fully-compatible 64-bit x86 and managed by the same Nitro platform used across Amazon EC2. Again, these instances are available in similar sizes as the C5 instances, and the AMIs work on either, so go ahead and try both!

To learn more, visit our AMD Instances page and please send feedback to [email protected], AWS forum for EC2 or through your usual AWS Support contacts.

Channy;

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