Disk data rates for uncompressed Video using Decklink
Listed below are minimum recommended disk requirements for uncompressed SD and HD video.
Uncompressed 10 bit YUV (4:2:2) Standard Definition (SD)
720x486/29.97fps 27MB per second
1,600MB per minute
94GB per hour
720x576/25fps 26MB per second
1,582MB per minute
93GB per hour
Uncompressed 10 bit YUV (4:2:2) High Definition (HD)
1280x720p/60fps 141MB per second
8,438MB per minute
494GB per hour
1920x1080/24fps 127MB per second
7,594MB per minute
445GB per hour
1920x1080/50i 132MB per second
7,910MB per minute
463GB per hour
1920x1080/60i
158MB per second
9,482MB per minute
556GB per hour
Uncompressed 10 bit RGB (4:4:4) High Definition (HD)
1280x720p/60fps 211MB per second
12,656MB per minute
742GB per hour
1920x1080/24fps 190MB per second
11,391MB per minute
667GB per hour
1920x1080/50i 198MB per second
11,865MB per minute
695GB per hour
1920x1080/60i 237MB per second
14,238MB per minute
834GB per hour
All figures are courtesy of Blackmagic Design and refer to data rate requirements for their Decklink range of cards. Note all figures are minimum requirements and it is extremely wise to have at least 30% headroom on top of the above figures to allow for variations in disk speeds under different circumstances.
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