approximately 880 Mbps. At 24 frames per second, you can record approximately 47 minutes of
video on a 256GB CFast 2.0 card. At the same settings you can record approximately
23 minutes of video on a 128GB CFast card, which is approximately half the record duration of
a 256GB CFast card.
It should be noted that recording duration of media can vary slightly between different
manufacturers. It can also vary depending on whether the storage media is formatted as exFAT
or Mac OS X Extended.
Simple scenes containing less detail tend to require less data than more dense compositions.
The values in these tables assume shots with a high complexity, which means you may get
slightly longer record times depending on the nature of your shoot.
CFast
Frame
Blackmagic
Card
Rate
RAW 3:1
Duration
23.98
17 mins
24
17 mins
256GB
25
16 mins
30
13 mins
50
8 mins
6K 2.4:1
CFast
Frame
Blackmagic
Card
Rate
RAW 3:1
Duration
23.98
23 mins
24
22 mins
25
21 mins
256GB
30
18 mins
50
11 mins
60
9 mins
5.7K 17:9
CFast
Frame
Blackmagic
Card
Rate
RAW 3:1
Duration
23.98
20 mins
24
20 mins
25
19 mins
256GB
30
16 mins
50
10 mins
60
8 mins
6K
Blackmagic
Blackmagic
Blackmagic
RAW 5:1
RAW 8:1
RAW 12:1
Duration
Duration
Duration
28 mins
45 mins
67 mins
28 mins
45 mins
67 mins
27 mins
43 mins
64 mins
22 mins
36 mins
54 mins
13 mins
21 mins
32 mins
Blackmagic
Blackmagic
Blackmagic
RAW 5:1
RAW 8:1
RAW 12:1
Duration
Duration
Duration
38 mins
60 mins
91 mins
38 mins
60 mins
91 mins
36 mins
58 mins
87 mins
30 mins
48 mins
72 mins
18 mins
29 mins
43 mins
15 mins
24 mins
36 mins
Blackmagic
Blackmagic
Blackmagic
RAW 5:1
RAW 8:1
RAW 12:1
Duration
Duration
Duration
34 mins
55 mins
82 mins
34 mins
55 mins
82 mins
33 mins
52 mins
79 mins
27 mins
44 mins
66 mins
16 mins
26 mins
39 mins
13 mins
22 mins
33 mins
Recording
24