Depending which Kobo eReader you buy, your eReader can range from 4GB to 32GB of storage.
- A 4GB eReader can store around 3000 eBooks
- A 32GB eReader can store around 24000 eBooks
The number of eBooks your eReader can store varies. Image-heavy books---such as comic books---can be over 100MB (megabytes). Novels can be around 20MB or more.