Amazon.com: BoxWave Smart Gadget Compatible with Kobo Elipsa 2E - AllReader SD Card Reader, microSD Card Reader SD Compact USB for Kobo Elipsa 2E - Jet Black : Electronics
Kobo Aura H2O, Tarjeta de Memoria microSDHC 8GB, Clase 10, High Speed, Adaptador SD : Amazon.es: Informática
Kobo Elipsa USB Memory Card Adapter
I can confirm the kobo Nia has an internal SD card : r/kobo
aumentar_memoria
Kobo 2E Internal Images - SD Card Confirmed : r/ereader
How to load an SD Card on the Kobo H2O - Good e-Reader
Kobo Aura H2O, Tarjeta de Memoria microSDHC 8GB, Clase 10, High Speed, Adaptador SD : Amazon.es: Informática
Kobo Touch 2.0 Review and Video Demo | The eBook Reader Blog