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Abel Code: AR-K2.72094.S
Mfr. Code: K2.72094.S
Estimated to Ship – Contact Sales for Availability
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
This DNxHD license key upgrade for the ARRI ALEXA enables in-camera recording of 1920 x 1080 (16:9) Avid DNxHD encoded MXF files onto SxS PRO cards (sold separately).
Key Highlights
  • DNxHD License Key
  • Avid DNxHD encoded MXF on SxS PRO


The ARRI ALEXA DNxHD License Key enables in-camera recording of 1920 x 1080 (16:9) Avid DNxHD encoded MXF files onto SxS PRO cards (sold separately). It is pre-installed on all ALEXA Studio cameras (free of charge with purchase of camera). The DNxHD recording option can be activated and de-activated by loading or deleting the license file on the camera. With an installed DNxHD license key, ALEXA users can choose between MXF/DNxHD and QuickTime/ProRes recording.

SUP 6.0 adds DNxHD recording capability to ALEXA and ALEXA Plus models. SUP 6.1 provides the DNxHD upgrade for ALEXA M and ALEXA Studio. The available codecs are Avid DNxHD 145 (8 bit 4:2:2) and DNxHD 220x (10 bit 4:2:2)*. A 10 bit 4:4:4 DNxHD codec will be provided as a free of charge update to all DNxHD license holders in one of the following SUP releases.

NOTE: DNxHD is a constant bit rate codec. Depending on the project frame rate, the codecs are actually called DNxHD 115 or 175x at 23.976 and 24 fps, DNxHD 120 or 185x for 25 fps and DNxHD 175 or 220x for 29.97 fps.

ALEXA cameras record DNxHD encoded images together with sound and embedded metadata in an MXF container using a file structure according to Operational Pattern 1a (OP1a) with frame-wrapping. ALEXA's MXF/DNxHD material can be edited in Avid Media Composer Version 5.5 and later for Apple and Windows 32-bit and 64-bit operating systems, without transcoding.

IMPORTANT NOTE: Compatible with ALEXA and ALEXA Plus with SUP 6.0 or later, ALEXA Studio and ALEXA M with SUP 6.1 or later.



  • DNxHD 145 (8 bit 4:2:2) and DNxHD 220x (10 bit 4:2:2)
  • DNxHD 10 bit 4:4:4 will be provided as a free update later
  • 0.75 to 60 fps using any DNxHD codec
  • 60 to 120 fps in 4:2:2 with a High Speed license key and 64 GB SxS PRO card
  • Easy to adapt, same naming convention as ProRes clips
  • Same exposure latitude, sensitivity and colorimetry as ProRes recording
  • Camera metadata embedded as XML in MXF container
  • Camera metadata provided in clip summary Avid Log Exchange (ALE) file


  • Material can be edited in AVID Media Composer 5.5 and 6.0
  • Free AMA plug-in for ARRI MXF/DNxHD (Mac and Windows 32/64 bit)
  • No transcoding required

Native Avid DNxHD

  • Avid DNxHD encoding provides mastering-quality HD media
  • Dramatically reduced file sizes
  • No generation loss during complex post production effects processing
  • The source for the codec can be licensed free of charge and the codec is compliant to SMPTE VC-3 making it an excellent choice for acquisition and archiving


  • Streaming format allows playback even if recording of file transfer was interrupted
  • Picture, sound, and metadata is always kept together in a single file
  • The file structure allows camera metadata to automatically be imported into the editing bins
  • Repackaging to the OP-Atom format is essentially a copying process since no transcoding is involved


What's in the Box

  • ARRI ALEXA DNxHD License Key


Key Highlights

  • DNxHD License Key
  • Avid DNxHD encoded MXF on SxS PRO
  • In-camera recording

Compatibility - Camera


Software / Apps / Plugins

License Includes:
MXF/DNxHD and QuickTime/ProRes recording


24 in
24 in
24 in
0.5 lb
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