The Lexar Professional 1066x CompactFlash 32GB card is a high-speed CF card for professional DSLRs and cinema cameras that still use the CompactFlash format. The 1066x rating corresponds to read speeds of up to 160MB/s when paired with a UDMA 7-enabled reader, which is what keeps offloading a full card from becoming the bottleneck at the end of a shoot.
CompactFlash remains the recording medium for a large installed base of professional bodies and camcorders, and a fast, reliable card matters most in two moments: when the camera’s buffer is filling during a continuous burst, and when you are copying cards to a laptop under deadline. UDMA 7 support addresses both.
Key Features
- 1066x speed rating: Read speeds up to 160MB/s when used with a UDMA 7-enabled card reader, keeping post-shoot transfers short.
- UDMA 7 support: The fastest CompactFlash transfer mode, required to reach the card’s rated performance in compatible cameras and readers.
- Video Performance Guarantee: The Professional 1066x line carries a VPG rating, guaranteeing a sustained minimum write speed so video recording does not drop frames mid-take.
- Built for burst shooting: High sustained write performance clears the camera buffer faster, so the shutter keeps firing through a long continuous sequence.
- Professional DSLR compatibility: Works with CompactFlash-equipped bodies such as the Canon EOS-1D and 5D series and Nikon D-series professional cameras.
- 32GB capacity: A practical card size for event and editorial work, small enough to limit exposure if a single card is ever lost or damaged.
Specifications
| Capacity | 32GB |
|---|---|
| Format | CompactFlash (CF) |
| Speed Rating | 1066x |
| Maximum Read Speed | Up to 160MB/s (with a UDMA 7 reader) |
| Transfer Mode | UDMA 7 |
| Series | Lexar Professional |
Frequently Asked Questions
What does the 1066x rating mean in MB/s?
Card “x” ratings are multiples of 150KB/s, so 1066x corresponds to approximately 160MB/s. That is the maximum read speed, and reaching it requires a UDMA 7-enabled card reader — a slower reader will limit transfers regardless of the card.
Will this card work in my camera?
It works in any camera with a CompactFlash Type I slot, which includes professional DSLRs such as the Canon EOS-1D and 5D series and Nikon’s professional D-series bodies. Cameras that do not support UDMA 7 will still read and write the card, just at their own maximum speed.
Why does UDMA 7 matter?
UDMA 7 is the fastest CompactFlash transfer mode. It governs how quickly the camera can clear its buffer during continuous shooting and how fast the card offloads to a computer. Without UDMA 7 support at both ends, the card cannot reach its rated 160MB/s.
Is 32GB enough for video?
It depends entirely on the codec and bitrate your camera records. For stills and short-form video it is a practical size, and using several smaller cards rather than one large one limits how much material is at risk if a card is lost or fails.
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