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Brand USB-C Flash Disk Name Storage
Western Digital My Passport SSD WDBAGF5000AGY 500GB
Wise PTS-512 Portable SSD 512GB
Wise PTS-1024 Portable SSD 1TB
Wise PTS-2048 Portable SSD 2TB
Which USB-C flash disks should I use with Blackmagic URSA Mini Pro 4.6K G2?
The following USB-C flash disks are recommended for 4.6K Blackmagic RAW 3:1 up to
60 frames per second.
Brand USB-C Flash Disk Name Storage
Samsung Portable SSD T5 500GB
Samsung Portable SSD T5 1TB
Wise Portable SSD 256GB
Wise Portable SSD 512GB
Wise Portable SSD 1TB
For the most up to date list of recommended USB-C flash disks please go to
www.blackmagicdesign.com/support.
Important Notes About USB-C flash disk Speed
Some models of USB-C flash disk can’t save video data at the speed the manufacturer
claims. Thisis due to the disk using hidden data compression to attain higher write
speeds. This data compression can only save data at the manufacturer’s claimed speed
when storing data such as blank data or simple files. Video data includes video noise
and pixels which are more random so compression will not help, therefore revealing the
true speed of the disk.
Some USB-C flash disks can have as much as 50% less write speed than the
manufacturer’s claimed speed. So even though the disk specifications claim a USB-C
flash diskhas speeds fast enough to handle video, in reality the disk isn’t fast enough
for real time video capture.
Use Blackmagic Disk Speed Test to accurately measure whether your USB-C flash
disk will be able to handle high data rate video capture and playback. Blackmagic Disk
Speed Test uses data to simulate the storage of video so you get results similar to what
you’ll see when capturing video to a disk. During Blackmagic testing, we have found
newer, larger models of USB-C flash disk and larger capacity USB-C flash disks are
generally faster.
Blackmagic Disk Speed Test is available from the Mac app store. Windows and
Mac versions are also included in Blackmagic Desktop Video, which you can download
from the ‘capture and playback’ section of the Blackmagic Design support center at
www.blackmagicdesign.com/support.
27Storage Media
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