One of the main innovations of Sia is providing a low cost means to turn that 1 TB refurbished hard drive into a useful cloud product. Sia is able to provide,

One of the main innovations of Sia is providing a low cost means to turn that 1 TB refurbished hard drive into a useful cloud product. Sia is able to provide, at 1/10th the cost of Amazon, high throughput, high reliability, high redundancy, geographically distributed cloud storage, and it can do that without high reliability drives or datacenters.