The Lexar 2933X is last an only XQD memory card by Lexar. It’s rated for read speed of about 440MB/s, although expect to see much slower speeds if you’re using USB 3.0 memory card readers and don’t expect to see that kind of speed in any modern camera. For example the Nikon D850 only writes to this card at a speed of 113.84 MB/s.
The XQD cards are much larger than SD memory cards but also much smaller than CFast cards. They strike a great balance between size and incredible speed.
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Lexar 2933x XQD Memory Card Sizes
The Lexar 2933x XQD memory card is available in three sizes. 32GB, 64GB and 128GB. Unfortunately, Lexar cards are discontinued, so you’ll only be able to find them on Amazon.
| Memory Card Name | 32GB | 64GB | 128GB |
| Lexar 299x XQD | Amazon | Amazon | Amazon |
Real World Memory Card Performance
The Lexar XQD memory card has some nice real world performance. USB 3.0 speeds run at around 344 MB/s read and 202 MB/s write. If we ever see thunderbolt or USB-C readers we might get slightly faster speeds closer to the rated speeds of the card.Â
You can see how the Sony XQD memory cards stack up against this card in this guide to memory card speeds.
| Memory Card Name | USB 3.0 Read | USB 3.0 Write |
| Lexar 2933x XQD | 344 MB/S | 202 MB/S |
Which Cameras Support XQD?
Right now very few still cameras take advantage of XQD memory cards.
Reliability
Shockproof, Temperature Extremes, Waterproof
Limited Lifetime Warranty
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