AdderLink X50 Fully transparent low/full speed USB: Utilising a unique method of USB communication, the AdderLink X50 delivers the highest possible levels of USB compatibility. With an integrated 4 port hub the X50 supports all USB 1.1 and 2.0 low/full speed devices. Video performance: Crisp, clear and industry leading video quality at very high resolutions of 1920 x 1200 to 50m (150 ft.) Video compensation: The AdderLink X50 allows for a great range of very smooth and fine adjustments enabling the user to adjust the video picture to their exact preference. True DDC Emulation: Unless an extender actively supports DDC some high performance video cards cannot be used at high resolutions. The AdderLink X50 fully supports 2-page DDC ensuring all possible resolutions are supported. Fully platform independent: As the AdderLink X50 supports fully transparent USB connections it is able to support all common hardware platforms including PC, Sun and MAC and their associated peripherals.