ProRes 422 at 4K UHD (3840×2160): bitrate and storage
ProRes 422 (Apple ProRes) is a 10-bit 4:2:2 intra-frame codec with a typical compression ratio of 17:1. The table below shows the video data rate and the storage it needs at 4K UHD (3840×2160) for the most common frame rates — video only, audio not included.
| Frame rate | Bitrate | Data rate | Storage / minute | Storage / hour |
|---|---|---|---|---|
| 23.976 fps | 467.3 Mbps | 58.42 MB/s | 3.51 GB | 210.3 GB |
| 24 fps | 467.8 Mbps | 58.48 MB/s | 3.51 GB | 210.5 GB |
| 25 fps | 487.3 Mbps | 60.91 MB/s | 3.65 GB | 219.3 GB |
| 29.970 fps | 584.2 Mbps | 73.02 MB/s | 4.38 GB | 262.9 GB |
| 50 fps | 974.6 Mbps | 121.82 MB/s | 7.31 GB | 438.6 GB |
| 59.940 fps | 1,168.3 Mbps | 146.04 MB/s | 8.76 GB | 525.8 GB |
Figures use decimal units (1 GB = 1000 MB), the convention used by drive and camera manufacturers. Computed with the same calculation engine as the Workflow Data Calculator — open it to add audio, multiple streams, backup copies, offload time and storage cost to this estimate, or to export a PDF report.
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Certified Adobe & Blackmagic training and postproduction workflow consulting by Jorge Mochón — jmochon.training