The 21.5-inch all-in-one has a NVIDIA Tegra 4 processor, 2 GB of memory and 16 GB of internal storage, coming loaded with Android 4.3 Jelly Bean and a wide range of business applications.
http://www.notebookcheck.net/HP-unveils-the-Slate-21-Pro-its-first-Android-powered-AiO-PC.108479.0.html