Sahara Slate PC® i535 Tablet PCs feature an Intel® Celeron® processor, up to 16GB RAM, user upgradeable HDD, and choice of capacitive touch or resistive touch LCD display with chemically strengthened glass and runs Windows® 7 and Windows® 8. The Stellar performance, true Windows® Pro compatibility, and tablet portability of the original Sahara Slate PC® i500 only better. Upgraded Intel® processors, increased memory capacity, improved security, front and rear facing cameras, and a true-not USB emulated-RS-232 serial interface are a few of the standout features that elevate these new Sahara Slate PC i500 Tablet PCs beyond the original models. Backwards compatibility with existing accessories, modular feature expandability for adding magnetic stripe reader, barcode scanner, and 4G LTE connectivity, user upgradability, system repairability, OEM customization, and world class customer service truly put these new Sahara Slate PC i500 Tablet PCs in a class by themselves.