The Sony Xperia Tablet Z is a sleek, lightweight, 10.1-inch. . Powered by Qualcomm Snapdragon S4 Pro of 1.5GHz and two gigabytes of active memory (RAM). The operating system is Google Android 4.1.2. Offer 16GB of internal storage and can boost that to 32GB with a microSD card. Designed to submerge a dunking one metre deep for 30 minutes.