HP Business Tablet Newest Slate 500 2011. HP officially announced their newest Windows-based tablet, HP Slate 500 Tablets aimed at business users. Slate sports 500 HP 8.9-inch 1024 x 600 LED-backlit capacitive touchscreen display, an Intel Atom Z540 1.86GHz processor, Intel GMA 500 graphics card, 2GB RAM, 64GB SSD, SD card slot, front-facing VGA camera, camera 3-megapixel camera on the back, 1080p Full HD support for video playback, WiFi, Bluetooth, stereo speakers, 2-cell battery and runs on Windows 7 Professional OS