The D905 Smart TV Box comes with 100% original new FLASH and DDR3 chips and the newest Amlogic Quad core ARM Cortex-A53 CPU up to 2 GHz Ultra high frequency, provides you with ultra-fast running speed and professional graphic processing ability.D905 Android TV box adopts the fast and powerful Android operation system which gives you the benefit of using all the latest updates, Having access to all the tools and games and apps at the play store smoothly.Larger capacity great improves the reliability of your TV, avoiding crashes caused by insufficient memory, and we have installed daily apps,Like Youtube ,Netflix, Facebook,twitter and etc. Also Support Extra Hard Drive,TF Card to expand space.The 4K 1080i/p resolution is 4 times more than full HD, so you can see every detail of the screen is glossy.