T & S Electronics Micro USB OTG Cable

With this OTG cable, your nexus 10 will be able to connect to USB/external hard disk as it had 1 usb slot as show in the photo.

You can also use this to connect to your ps3 controller to play games however in order to use the controller you will need to download sixaxis controller apps ($1.99).
It also comes with lifetime warranty.

Get your OTG cable here in amazon!