ALEXA LF: ARRIRAW bitrate & storage per hour

The ARRI ALEXA LF records ARRIRAW. Maximum sustained write speed: 2000 MB/s. Figures per sensor mode and compression level at 24 fps — video only.

Figures at 24 fps. Other frame rates scale linearly — open the calculator to change them.

Open Gate 4.5K (4448×3096, max 60 fps)

Compression	Ratio	Bitrate	Data rate	Storage / hour
Uncompressed	1:1	3,960.0 Mbps	495.00 MB/s	1,782.0 GB
HDE	1.67:1	2,376.0 Mbps	297.00 MB/s	1,069.2 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, streams, backup copies, offload time and storage cost, or to export a PDF report.

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