If 256 GB isn't enough, you can expand your storage options, as well as numerous other functions, with USB thumb drives and other external drives via the three USB ports. (computershopper.com)
I have been able to use USB hubs, mice, keyboards, and thumb drives with the tablet. (carrypad.com)
I have older photos on my laptop, it's just the more recent ones that were still on thumb drive. (finewhateverblog.com)