Future developments for the SSIS 256 4K SSD may include:
A high-quality file is typically encoded with the H.265 (HEVC) codec. This is non-negotiable. HEVC compresses 4K video roughly twice as efficiently as the older H.264 codec used for 1080p. A well-encoded 4K file will have a bitrate between 15,000 and 25,000 kbps, preserving shadow detail and eliminating the "blockiness" seen in dark scenes of lower-resolution rips. ssis256 4k
To understand what you actually get, examine the production pipeline: Future developments for the SSIS 256 4K SSD