cpu stm stih412 dual core 15ghz floating point unit yes hardware encryption engine yes hardware transcoding engine yes supported codec mpeg 4 part 2 xvid divx5 mpeg 2 vc 1 h265 hevc maximum resolution 4k 3840 x 2160 maximum frame rate per second fps 30 ram size ddr3 1gb compatible drive type 35rdquo25rdquo sata iiiii x 2 hard drives not included disk holders are required for 25rdquo drives maximum internal raw capacity 16tb 8tb hdd