Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 425 discussion

Gp3 $ 0.08 usd per gb Gp2 $ 0.10 usd per gb

Both GP2 and GP3 has max IOPS 16000 but GP3 is cost effective. https://aws.amazon.com/blogs/storage/migrate-your-amazon-ebs-volumes-from-gp2-to-gp3-and-save-up-to-20-on-costs/

C. GP3 volume type

Quote "customers can scale up to 16,000 IOPS and" at https://aws.amazon.com/about-aws/whats-new/2020/12/introducing-new-amazon-ebs-general-purpose-volumes-gp3/

The GP3 (General Purpose SSD) volume type in Amazon Elastic Block Store (EBS) is the most cost-effective option for the given requirements. GP3 volumes offer a balance of price and performance and are suitable for a wide range of workloads, including those with moderate I/O needs. GP3 volumes allow you to provision performance independently from storage capacity, which means you can adjust the baseline performance (measured in IOPS) and throughput (measured in MiB/s) separately from the volume size. This flexibility allows you to optimize your costs while meeting the workload requirements. In this case, since the company's daily peak input and output transactions per second are not more than 15,000 IOPS, GP3 volumes provide a suitable and cost-effective option for their workloads.

It is not C pals. The company wants to migrate the workloads to Amazon EC2 and to provision disk performance independent of storage capacity. With GP3 we have to increase storage capacity to increase IOPS over baseline. You can only chose IOPS independetly with IO family and IO2 is in general better then IO1.

Therefore, the most suitable and cost-effective option in this scenario is the GP3 volume type (option C).

GPS3 allows 16000 IOPS