Which one of the following statements is NOT an advantage of DyanamoDB being built on Solid State Drives?

A.
serve high-scale request workloads

B.
low request pricing

C.
high I/O performance of WebApp on EC2 instance

D.
low-latency response times

Explanation:
In DynamoDB, SSDs help achieve design goals of predictable low-latency response times for storing and accessing data
at any scale. The high I/O performance of SSDs also enables to serve high-scale request workloads cost efficiently, and
to pass this efficiency along in low request pricing.
http://aws.amazon.com/dynamodb/faqs/