Card Capacity & Offload

Record time per card, cards for a full shoot day, and how long the offload will take.

Codec & card

Bitrate (Mbps)

Card size (GB)

H.264 4K ~45 ProRes 422 4K ~492 ProRes 422 HQ 4K ~737 NotchLC 4K ~2000 ARRIRAW 4.6K ~2600

128 GB256 GB 512 GB1 TB 2 TB

Plan the shoot

Total recorded footage (hours)

Offload time

Data to copy (GB)

Transfer speed (MB/s)

USB 3.0 ~100SATA SSD ~500 CFexpress / 10GbE ~1000Thunderbolt ~2000

Real-world throughput runs below the rated max. "With verify" assumes a second full read-back pass (≈2×).