Reviews |Lexar Professional 1667x SDXC UHS-II Card

Lexar Professional 1667x SDXC UHS-II Card Review

Lexar Professional 1667x SDXC UHS-II Card review

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Our Verdict

I’m staggered at the price; in my head, you just can’t get a UHS-II SD card for less than £100. Times, however, has changed and now, for a tipple over £30, you can be the proud owner of a true UHS-II card.

Push the budget a little more, and you can get this 256GB card for less than £100; what’s going on?

OK, the write speeds don’t quite match that of the Lexar Professional 2000x, but then in this test, with the card put through its paces in the Sony A7 III and A7R III, it kept up perfectly with all demands.

As it stands, there may be faster cards out there, but unless you’re using the latest of latest cameras, then your unlikely to need those speeds, and even then, the Lexar® Professional 1667x SDXC™ UHS-II Card will probably do.


  • Fast enough for most cameras
  • Cheap for the speed and capacity
  • Decent capacity options


  • Little to go against

What is the Lexar Professional 1667x SDXC UHS-II Card?

UHS-II cards are expensive, right? It seems not anymore with the arrival of the Lexar Professional 1667x SDXC UHS-II Card.

Rated as UHS-II with 64, 128 or 256GB capacity options, the 1667x offers just about the best value SD camera storage on the market.

At just over £30 for the 64GB version and £99 for the 256GB, that’s considerably cheaper than many of its rivals from Sandisk, Delkin and Manfrotto, yet speed wise it can still hold its own.

The V60 rating shows that it can keep up with most of today’s cameras, enabling its users to capture high-resolution stills and video.


  • Capacity: 256GB
  • Class: 10
  • UHS Speed Class: U3
  • Video Class: V60
  • Read speed: 250MB/S
  • Write speed: 120MB/S
  • Speed: 1667x
  • Type : UHS-II


This card is a great price, but that means nothing if it can’t keep up with the speeds demanded of it by the latest cameras.

The ratings all check out, and while it may not have the huge write speeds of some of the UHS-II cards, 100Mb/s is still impressive.

Lexar Professional 1667x SDXC UHS-II Card review

To put the card to the test, I first used it in the Sony A7 III for a portrait shoot, after a morning of being slightly over trigger happy, the camera and card kept up. No real issues with buffering as the cards speed to write down those 24MP files were more than sufficient.

Next up was shooting 4K at 30fps, 100Mbps – again, the card recorded solidly for 29 minutes before the camera timed out. Having that 256GB of storage also meant that all video was captured to one card, which is convenient.

The real-world tests highlighted that the Lexar Professional 1667x SDXC UHS-II Card is more than sufficient for mid-range DSLRs and mirrorless cameras. More than able to keep up with the action and safely record down all data required.

The next test was to run the card through the Blackmagic Disk Speed Test application. Again the card performed well, delivering high-speed close to the claimed rates:

Read: 228MB/s
Write: 100MB/s

The results from this card are impressive, with excellent read and write speeds that match the requirements for most cameras at the moment. It can comfortably keep up with 4K, 30fps at 100Mbps.


We can all become a little overly obsessed with speed.

Still, here the Lexar Professional 1667x SDXC UHS-II card proves that while this might not be anywhere close to the high-end cards write speeds, it’s more than fast enough for most DSLRs and Mirrorless systems.

Lexar Professional 1667x SDXC UHS-II Card review

As ever, the build quality of the Lexar cards is excellent, and while the specifications might not highlight this as a tuff card, it will stand up to a good amount of everyday use without issue.

There is little to fault with the Lexar Professional 1667x SDXC UHS-II card, especially considering the price.


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