Depending which Kobo eReader you buy, your eReader can have either 4GB or 8GB of storage.
- A 4GB eReader can store around 3000 eBooks
- A 8GB eReader can store around 6000 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.