HK1 Mini Android 8.1 RK3229 Quad-Core TV Box 2GB RAM 16GB ROM Rockchip RK3229 Quad Core Processor. It comes with the RK3229 Quad Core Cortex-A53 CPU, perfect for 4K video resolution with its Mali-450 5-core GPU. The Latest Android 8.1 OS. ... 2GB RAM, 16GB ROM. ... 4K2K Ultra HD, H.265 Hardware Decoding. ... HDMI 2.0. ... Abundant Expansion.