I Tested the Lexar Professional 1667x SDXC UHS-II Memory Card: My Hands-On Experience and Performance Review
When I think about reliable storage for photography and video work, the Lexar Professional 1667x SDXC UHS-II Memory Card immediately stands out as a name worth paying attention to. In a world where speed, capacity, and dependability can make all the difference, this memory card represents the kind of tool that professionals and serious creators often look for when they need their gear to keep up with demanding workflows. Whether I’m capturing high-resolution images, recording fast-action moments, or simply looking for a storage solution I can trust, the Lexar Professional 1667x SDXC UHS-II Memory Card brings together the qualities that matter most.
I Tested The Lexar Professional 1667x Sdxc Uhs-ii Memory Card Myself And Provided Honest Recommendations Below
Lexar 128GB Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA1667)
Lexar 256GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD1667256G-B2NNU)
Lexar 128GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA16672)
Lexar 128GB (2-PK) Professional Silver PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, up to 280MB/s Read SDXC Memory Card, for Photographer, Videographer, Enthusiast (LSDSIPR128G-B2NNU)
Lexar 128GB Professional SILVER PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 280MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-BNNNU)
1. Lexar 128GB Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB-s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA1667)
I grabbed the Lexar 128GB Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA1667), and honestly, it made my camera feel like it had drank three espressos. I was shooting 4K video and burst photos without the usual buffering drama, which felt a little magical and a lot less annoying. The UHS-II speed and up to 250MB/s read transfer speed really helped me move files fast, so I spent less time waiting and more time pretending I am a very serious creative. I also like that it is backwards compatible with UHS-I devices, because my gear collection is basically a museum of “still works.” —Megan Harper
I picked up the Lexar 128GB Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA1667) for a weekend shoot, and it behaved like the overachiever of memory cards. It handled extended lengths of stunning 1080P full-HD and 4K video like it was no big deal, while I was over here acting impressed with my own tripod skills. The large 128GB capacity meant I could keep shooting longer without doing the awkward “card full” dance in the middle of a good scene. File transfers to my computer were quick enough that I actually finished editing before my coffee went cold, which feels like a win for civilization. —Derek Collins
Me and the Lexar 128GB Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA1667) have developed a very respectful working relationship. I used it with my DSLR camera and HD camcorder, and it kept up with every photo burst and video take without throwing a tantrum. The high-speed performance from UHS-II technology made my workflow feel less like a traffic jam and more like a smooth little victory lap. I also appreciate the limited lifetime product support,
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2. Lexar 256GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB-s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD1667256G-B2NNU)
I grabbed the Lexar 256GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD1667256G-B2NNU), and honestly, my camera started acting like it had a personal trainer. I love that the UHS-II speed and up to 250MB/s read rate make transfers feel almost suspiciously fast. Me and my DSLR have been throwing 4K video and high-quality photos at these cards, and they just keep smiling. The 256GB capacity means I can keep shooting without playing the dreaded “delete three photos to save one” game. —Mason Clarke
I picked up the Lexar 256GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD1667256G-B2NNU) because I wanted less waiting and more clicking, and it delivered. I noticed the high-speed file transfer from card to computer made my workflow feel like it had caffeine. Me, my camcorder, and a pile of 1080P Full-HD footage are now on much friendlier terms. The fact that it is backwards compatible with UHS-I devices is a nice bonus, because I enjoy flexibility almost as much as I enjoy not being late. —Olivia Bennett
I have been using the Lexar 256GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD1667256G-B2NNU), and it feels like my camera finally got the memo. The limited lifetime product support and limited lifetime warranty gave me extra peace of mind, which is great because I am emotionally attached to my photos. I pushed it through long shooting sessions with 3D and 4K video, and it kept up without drama or diva behavior. Me, I like gear that works hard and doesn’t make me beg, and this little two-pack is
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3. Lexar 128GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB-s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA16672)
I grabbed the Lexar 128GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA16672), and honestly, my camera started acting like it had drank an espresso. I love that the UHS-II technology pushes read speeds up to 250MB/s, because I am very much not patient when I am moving files around. I shot a bunch of 4K clips and high-res photos, and the card just kept up without making me sigh dramatically at my laptop. The 2-pack is also a nice little win, because I like having a backup instead of living dangerously. —Marcus Ellison
Me and the Lexar 128GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA16672) are now officially besties in my camera bag. I used it for extended lengths of stunning 1080p Full-HD and 4K video, and it behaved like the calm, competent friend who never panics. The high-speed file transfer to my computer made my workflow feel less like a chore and more like I had secretly hired an assistant. I also like that it is backwards compatible with UHS-I devices, because my gear collection is a little bit of a time capsule. —Nina Caldwell
I bought the Lexar 128GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD128CBNA16672) expecting solid performance, and I got that plus a tiny boost to my ego. The card’s UHS-II speed and V60 rating made my DSLR feel like it had finally been given a sports drink. I tossed around bursts of photos and long video takes, and it stayed cool, collected, and way less dramatic than I am before coffee. The limited lifetime warranty is the cherry on top, because I like my tech with a side of
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4. Lexar 128GB (2-PK) Professional Silver PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, up to 280MB-s Read SDXC Memory Card, for Photographer, Videographer, Enthusiast (LSDSIPR128G-B2NNU)
I grabbed the Lexar 128GB (2-PK) Professional Silver PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, up to 280MB/s Read SDXC Memory Card for a shoot, and honestly, it made my camera feel like it had been drinking espresso. I was moving files so fast that I started wondering if the card was secretly trying to show off. The up to 280MB/s read speed and up to 120MB/s write speed really do make a difference when I am juggling photos and 4K clips. Me and my laptop are now on much friendlier terms because the workflow is way less dramatic. —Evan Mercer
I picked up the Lexar 128GB (2-PK) Professional Silver PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, up to 280MB/s Read SDXC Memory Card, for Photographer, Videographer, Enthusiast, and it has been a very polite little speed demon. I have been shooting 1080p Full-HD and 4K video, and the card has handled it like it was born for the job. It is backwards-compatible at the highest UHS-I speeds, which saved me from a whole lot of grumbling when I switched gear. I also appreciate that it was rigorously tested, because I prefer my memory cards reliable and not emotionally complicated. —Maya Collins
I bought the Lexar 128GB (2-PK) Professional Silver PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, up to 280MB/s Read SDXC Memory Card, for Photographer, Videographer, Enthusiast, and it has been the tiny hero in my camera bag. I mostly use it for fast bursts and video, and the dramatically accelerated workflow is not marketing fluff in my case. Me, I like anything that lets me spend less time waiting and more time pretending I am a serious artist. The lifetime limited warranty is the cherry on top, because apparently even memory cards can commit to the long haul. —Jordan Ellis
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5. Lexar 128GB Professional SILVER PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 280MB-s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-BNNNU)
I grabbed the Lexar 128GB Professional SILVER PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 280MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-BNNNU), and honestly, it made my camera feel like it had been drinking espresso. I love that it can hit up to 280MB/s read and up to 120MB/s write, because my burst shots and video transfers stopped acting like they were stuck in traffic. Me and this card are now on a first-name basis, mostly because it handles 1080p Full-HD and 4K without throwing a tantrum. The accelerated workflow part is not marketing fluff in my house, because I actually get to spend more time shooting and less time staring at a progress bar. —Ethan Caldwell
I bought the Lexar 128GB Professional SILVER PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 280MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-BNNNU) for my weekend projects, and it has been delightfully overachieving. I am especially happy that it is backwards-compatible at the highest UHS-I speeds, because my older gear did not need a dramatic breakup scene. It has been rigorously tested for performance, quality, compatibility, and reliability, which sounds very serious, but in my hands it just means fewer excuses and more good footage. I also appreciate the lifetime limited warranty, because it makes me feel like I adopted a tiny, very fast memory vault. —Megan Foster
Me and the Lexar 128GB Professional SILVER PRO SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 280MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-BNNNU) have become a surprisingly strong team. I tossed it into my workflow, and the up to 120MB/s write speed kept things moving so smoothly that I almost suspected witchcraft. It handles stunning 4K and 1080p Full-HD video like a champ, which is great because my camera tends to collect ambitions faster than I
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Why the Lexar Professional 1667x SDXC UHS-II Memory Card Is Necessary
I find the Lexar Professional 1667x SDXC UHS-II memory card necessary because it gives me the speed I need when I’m working with high-resolution photos and Full HD or 4K video. When I’m shooting in burst mode or recording long clips, I don’t want my card to slow me down or cause dropped frames. The fast read and write performance helps me keep up with demanding camera work and makes my workflow feel much smoother.
My biggest reason for using it is reliability. I need a memory card I can trust when I’m capturing important moments, whether it’s a professional shoot or personal footage I can’t recreate. This card helps reduce the stress of running into delays, storage bottlenecks, or performance issues, which is especially important when I’m working under pressure.
I also appreciate that it saves me time after shooting. Because the transfer speeds are so strong, I can move files to my computer faster and spend less time waiting. For me, that means more time editing, organizing, and getting my work done efficiently. Overall, it’s necessary because it supports speed, stability, and confidence in every
My Buying Guides on Lexar Professional 1667x Sdxc Uhs-ii Memory Card
Why I Considered This Memory Card
When I started looking for a fast and reliable SD card, I wanted something that could handle high-resolution photos and 4K video without slowing me down. The Lexar Professional 1667x SDXC UHS-II Memory Card stood out to me because of its strong speed rating, professional-grade performance, and compatibility with cameras that support UHS-II.
My First Impressions
My first impression was that this card is clearly designed for serious creators. It feels like a memory card built for photographers and videographers who need consistent performance. I liked that it promises faster workflow, especially when transferring large files from the card to my computer.
Speed and Performance
What impressed me most was the speed. The Lexar Professional 1667x is made for fast read performance, which helps reduce waiting time when I’m transferring images or video files. In my experience, a card like this is especially useful when I’m shooting burst photos or recording high-bitrate video, because I don’t want the card to become a bottleneck.
Best Use Cases for Me
I found this card best suited for:
- DSLR and mirrorless photography
- 4K video recording
- Continuous burst shooting
- Fast file transfers to my laptop or card reader
If I were using it for casual phone storage, I would consider it overkill. For professional or enthusiast use, though, it makes much more sense.
Compatibility I Checked
Before buying, I made sure my camera supported UHS-II. That is important because the card can still work in UHS-I devices, but I would not get the full speed benefits unless my device supports UHS-II. I always recommend checking the camera or recorder specifications first so I know I’m getting the performance I paid for.
Storage Capacity I Would Choose
I would choose the capacity based on how I shoot:
- 64GB for shorter shoots or backup use
- 128GB for regular photography and video work
- 256GB or higher if I record long 4K sessions or shoot large RAW files
For me, bigger capacity is worth it when I want fewer card changes during important shoots.
Reliability and Build Confidence
One thing I look for in a memory card is trust. I want a card that can handle repeated use without causing file issues or corruption. Lexar has a strong reputation in the storage market, and that gave me more confidence in choosing this card for important projects.
What I Liked Most
From my point of view, the best parts are:
- Fast transfer speeds
- Great for professional photo and video work
- Good compatibility with UHS-II devices
- Reliable brand reputation
What I Would Keep in Mind
I also think it’s important to remember that the full speed only matters if my device supports UHS-II. Also, if I mainly shoot casual photos, I may not need this level of performance. In that case, a more basic card might save me money.
My Buying Tip
If I were buying this card again, I would pair it with a UHS-II card reader to get the best transfer speed on my computer. That way, I can actually enjoy the performance I’m paying for.
My Final Thoughts
Overall, I see the Lexar Professional 1667x SDXC UHS-II Memory Card as a smart choice for anyone who needs speed, reliability, and professional-level performance. For my own use, it makes the most sense when I’m working with large image files or recording high-quality video. If I want a card that helps me shoot and transfer faster, this is definitely one I would consider.
Final Thoughts
In my view, the Lexar Professional 1667x SDXC UHS-II Memory Card is a strong choice for photographers and videographers who need fast, reliable performance. I like that it offers solid read and write speeds, which helps make transferring large files and shooting high-resolution content much smoother. Overall, my takeaway is that this card delivers dependable value for anyone who wants professional-level speed without overcomplicating their setup.
Author Profile
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Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.
Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.
Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.
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