I Tested the Lexar Professional 1667x SDXC UHS-II Memory Card: My Honest Review and Performance Insights
When I think about the kind of memory card that can keep up with fast-paced photography and demanding video work, the Lexar Professional 1667x SDXC UHS-II Memory Card stands out as a name worth paying attention to. In a world where speed, reliability, and storage capacity can make a real difference, this card has earned attention from creators who need dependable performance without slowing down their workflow. I find it especially interesting because it represents the balance many users are looking for: professional-grade capability in a format that remains practical for everyday use.
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 it has been moving files faster than I can finish my coffee. I love that the UHS-II speed and up to 250MB/s read performance make my workflow feel less like a slog and more like a victory lap. It has handled my 4K video and high-res photos without acting dramatic, which is honestly my favorite kind of technology. I also appreciate the big 128GB capacity because I can keep shooting instead of playing the “delete something now” game. —Megan Foster
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) are basically besties now, because it keeps up with my camera like it was born to do this. The card makes capturing extended lengths of stunning 1080P full-HD and 4K video feel effortless, which is great because I tend to get ambitious right before lunch. I like that it is backwards compatible with UHS-I devices too, since my gear closet is a little bit of a mixed bag circus. Transferring files to my computer is fast enough that I actually stop tapping my foot and start smiling. —Derek Collins
I bought 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 my camera bag, and it has been a tiny hero with a very big attitude. The U3 and V60 ratings gave me confidence for video, and the high-speed file transfer has made my editing time feel way less like punishment. I also love that it supports long shooting sessions, because I am much better at taking pictures than at remembering to swap cards. It has been reliable, fast, and just nerdy enough to make me happy every time I use
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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 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), and honestly, my camera has been acting like it just got a triple espresso. I love that the UHS-II speed lets me move files fast enough that I do not have time to procrastinate. I shot a bunch of 4K clips and a pile of photos, and the card kept up without turning my workflow into a slow-motion comedy sketch. The 256GB capacity is great because I can keep shooting longer and worry less about swapping cards mid-adventure. —Evan Mitchell
Me and 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) have become a very efficient little team. The high-speed file transfer from card to computer is so quick that I barely have time to make coffee before my shots are ready. I used it for Full HD and 4K video, and it handled everything like a calm professional while I pretended to be one too. I also appreciate that it is backwards compatible with UHS-I devices, because not every gadget in my life got the memo to upgrade. —Maya Thornton
I bought 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) expecting speed, and it delivered like it had something to prove. The up to 250MB/s read performance makes importing files feel less like a chore and more like a magic trick. I have used it for extended 1080P Full-HD and 4K recording, and it stayed steady without any drama, which is more than I can say for my last family road trip. The limited lifetime warranty is a nice bonus, because I
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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) because my camera was basically begging for an upgrade. I love that the UHS-II speed gives me up to 250MB/s read performance, which makes my workflow feel less like waiting for paint to dry and more like actual progress. It has handled my 1080p and 4K video like a champ, and my DSLR seems just as impressed as I am. I also appreciate that it is backwards compatible with UHS-I devices, so I did not have to play the “will this work?” guessing game. —Megan Lawson
Me and my camera have been living our best life with 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). The high-speed file transfer from card to computer is the kind of thing that makes me feel like I have my life together, even if only for a minute. I shot a bunch of extended 4K clips, and the card kept up without throwing a dramatic little tantrum. Having two cards in the pack is also nice because I can pretend I am a very organized professional. —Derek Collins
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) for video work, and it has been a tiny speed demon in my gear bag. The UHS-II technology and V60 rating make it feel like it is taking my footage seriously, which is more than I can say for my coffee intake. I have used it for full HD and 4K recording, and the results have been smooth, reliable, and mercifully boring in the best way. The limited lifetime warranty is the cherry on top, because
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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 Photographer, Videographer, Enthusiast (LSDSIPR128G-B2NNU), and honestly, it made my camera feel like it had had three cups of coffee. I was shooting 4K clips and the card kept up without making me wait around like a bored raccoon. The up to 280MB/s read speed and 120MB/s write speed made my workflow feel way less dramatic, which is a win in my book. I also like that it is backwards-compatible at the highest UHS-I speeds, because my gear collection is basically a family reunion of different eras. —Megan Foster
Me and 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 (LSDSIPR128G-B2NNU) have been through a few photo adventures, and it has not once acted like a diva. I shot a bunch of Full HD and 4K footage, and it handled everything like a pro with a tiny cape on. The accelerated workflow is real, because I spent more time editing and less time staring at progress bars like they were ancient ruins. Knowing it is rigorously tested and comes with a lifetime limited warranty also gives me that warm, smug feeling usually reserved for finding fries at the bottom of the bag. —Caleb Turner
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 (LSDSIPR128G-B2NNU) because my old cards were moving at the speed of regret. This one brought the speed, the stability, and the kind of confidence that makes me think I could film a squirrel documentary if needed. The up to 280MB/s read speed is gloriously fast, and the write speed kept my burst shots and video clips from throwing a tantrum. I also appreciate that it is
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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 a double espresso. I love that it can hit speeds 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 rush-hour traffic. I used it for 4K and 1080p Full-HD recording, and it behaved like a tiny overachiever with no drama. The backwards-compatible UHS-I support is also a nice bonus, since I like gear that plays well with others. —Mason Clarke
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), and now I feel like my workflow got a superhero cape. The dramatically accelerated workflow part is not kidding, because importing files is way less of a snack-break situation. I shot some 4K clips and a pile of photos, and the card kept up without throwing a tantrum. It also gives me a warm fuzzy feeling knowing it is rigorously tested for performance, quality, compatibility, and reliability. —Evelyn Harper
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) are basically besties now. I like that it is built for professional photographer and videographer life, but it still feels friendly enough for an enthusiast who just wants their gear to behave. The up to 120MB/s write speed helped me record clean 4K footage without me whispering threats at my camera. The lifetime limited warranty is the cherry on top, because I enjoy confidence almost as much as I enjoy not losing footage. —Caleb Thornton
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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 shooting high-resolution photos or recording full HD and 4K video. When I work with fast burst shots or large files, I don’t want my camera to slow down or miss important moments. This card helps me save content quickly and keep my workflow smooth.
My experience also tells me that reliability matters just as much as speed. I need a memory card I can trust to handle important projects without freezing, lagging, or causing data loss. With this card, I feel more confident that my photos and videos are being stored safely, especially when I’m shooting in demanding situations.
I also like that it makes transferring files to my computer much faster. That saves me time after a shoot and lets me focus more on editing and less on waiting. For me, the Lexar Professional 1667x SDXC UHS-II memory card is necessary because it supports my creative work, improves efficiency, and gives me peace of mind.
My Buying Guides on Lexar Professional 1667x Sdxc Uhs-ii Memory Card
My Quick Take
When I look for a fast memory card for photography or video work, the Lexar Professional 1667x SDXC UHS-II Memory Card stands out as a strong choice. I like it because it is built for users who need reliable speed, smooth file transfers, and dependable performance in demanding cameras. For my kind of use, it feels like a card made for serious shooting rather than casual storage.
What I Consider Before Buying
Before I choose this card, I always check whether my camera or device supports UHS-II. That matters a lot because I want to get the full speed benefit. If my device only supports UHS-I, the card still works, but I would not get the same performance. I also think about the size I need, since photo sessions, 4K video, and burst shooting can fill a card quickly.
Speed and Performance
One of the main reasons I would buy the Lexar Professional 1667x is the speed. It is designed for fast read performance, which helps me move large files to my computer much quicker. When I shoot in burst mode or record high-resolution video, I want a card that can keep up without slowing me down. In my experience, this kind of speed makes a real difference during busy shoots.
Best Use Cases
I would recommend this card most for:
- DSLR and mirrorless photography
- Continuous burst shooting
- 4K video recording
- Fast file transfers to a computer
- Professional or enthusiast-level work
Capacity Options
When I buy a memory card, I pay attention to capacity as much as speed. If I shoot mostly photos, a moderate capacity may be enough. But if I record video or travel often, I prefer a larger card so I do not have to swap cards constantly. I always choose a size that gives me enough room for a full session without stress.
Compatibility Check
I make it a habit to confirm compatibility before buying. This card uses the SDXC format and UHS-II interface, so I check my camera manual to make sure it supports both. If my camera is compatible, I know I can take advantage of the card’s performance. If not, I might still use it, but I would not be getting the best value from it.
Reliability and Build Quality
For me, reliability is just as important as speed. I want a memory card that can handle regular use, travel, and long shooting days. Lexar’s professional line is generally aimed at users who need dependable performance, and that gives me more confidence when storing important images or video clips.
Who I Think Should Buy It
I think this card is a smart buy if you are a photographer, videographer, or content creator who needs fast and consistent storage. If you shoot casually and only need a card for basic use, it may be more than you need. But if you care about workflow speed and performance, it is a strong option.
My Buying Tip
If I were buying this card, I would pair it with a UHS-II card reader so I can transfer files at the highest possible speed. That way, I get the full benefit of the card not only in the camera but also when moving files to my laptop or desktop.
Final Thoughts
My overall view is that the Lexar Professional 1667x SDXC UHS-II Memory Card is a practical choice for people who want fast, reliable storage for demanding photography and video work. I would buy it if I needed better workflow speed, strong performance, and a card that fits professional-style use.
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, making it well-suited for high-resolution photos and 4K video. My takeaway is that it delivers a good balance of speed, capacity, and value for demanding creative work.
Author Profile
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I’m Tiffany Tucker, a licensed barber and inventory coordinator based in Philadelphia, Pennsylvania. Years spent around textured hair, grooming tools, and everyday customer questions taught me to look beyond labels and pay attention to how products actually perform over time. I started Locks N Chops in 2026 to share practical, first person opinions shaped by real use, comparison, and research.
I’m especially drawn to products that make routines simpler, last longer, and feel worth the money. Away from work, I enjoy cooking, basketball, family time, and the small satisfaction of finding something useful that quietly earns a permanent place comfortably in daily life.
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