Dell Premium Active Pen PN579X. The Dell Premium Active Pen is the first active pen that offers multiprotocol compatibility including AES 2.0. Create strokes of varying lightness or darkness, with low lag and detailed shading thanks to AES 2.0's 4096 levels of pressure sensitivity, 240 Hz report rate and tilt support on Dell 2-in-1 notebooks with Wacom AES 2.0 technology. Rest your palm comfortably on the screen when you work. You'll be safe from potential errors thanks to palm rejection technology.