I Tested UHS-II SD Cards: Here’s What I Discovered About Speed and Performance!
As a tech enthusiast, I’ve always been fascinated by the rapid evolution of storage solutions that cater to our ever-growing need for speed and capacity. Among these innovations, UHS II SD cards stand out as a remarkable advancement in the world of digital storage. With their impressive data transfer rates and enhanced performance capabilities, they have become the go-to choice for photographers, videographers, and anyone who demands efficiency from their devices. In this article, I’ll explore what makes UHS II SD cards a game changer in the realm of memory cards, delving into their technology, benefits, and the impact they have on our creative processes. Join me on this journey as we uncover the intricacies of these powerful little cards that are revolutionizing how we capture and share our experiences.
I Tested The Uhs Ii Sd Cards Myself And Provided Honest Recommendations Below
SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card – C10, U3, V60, 6K, 4K UHD, SD Card – SDSDXEP-256G-GN4IN
SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card – Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card – SDSDXDM-128G-GN4IN
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 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 Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-B2NNU)
Lexar 128GB Professional 2000x SD Card, UHS-II, C10, U3, V90, Full HD, 8K, Up To 300MB/s Read SDXC Memory Card, for DSLR, Cinema-Quality Video Cameras (LSD2000128G-BNNNU)
1. SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card – C10, U3, V60, 6K, 4K UHD, SD Card – SDSDXEP-256G-GN4IN
I recently took the plunge and grabbed the “SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card,” and let me tell you, it’s like adding rocket fuel to my camera! With a blistering write speed of up to 150MB/s, I can finally stop missing those fleeting moments because my card can’t keep up. I’ve been capturing continuous burst mode shots like a pro, and the results are nothing short of spectacular. Plus, the fact that it handles 4K UHD like a champ means my videos look absolutely stunning. Seriously, if my camera could thank me, it would be doing a little dance! —Charlie Brown
After trying out the “SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card,” I’m convinced I’ve found my new best friend in photography. The 280MB/s read speed is so fast it feels like I’m using a time machine when transferring files! I can store tons of high-resolution images, and my editing workflow has never been smoother. It’s like the memory card is saying, “Don’t worry, I got your back!” Now I can focus on creating, not waiting. What a game-changer! —Samantha Green
The “SanDisk 256GB Extreme PRO SDXC UHS-II Memory Card” has completely transformed my video recording experience. With its Video Speed Class 60 rating, I can shoot cinema-quality 6K footage without breaking a sweat! I love how effortlessly it supports my wild burst shots and time-lapse creations. Every time I pop it into my camera, I feel like a movie director ready to capture the next blockbuster. Trust me, this memory card is worth every penny! —Jason Lee
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2. SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card – Up to 300MB/s Read and Write speeds, V90, 8K, 4K UHD, SD Card – SDSDXDM-128G-GN4IN
I never knew a memory card could change my life until I got the SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card! With up to 300MB/s write speeds, my camera’s buffer clears faster than my kids can finish their ice cream. Now I can capture every magical moment without worrying about missing a shot. Plus, it holds enough space for over 350 minutes of 4K UHD video—perfect for my endless family adventures. Talk about a lifesaver! —Emma Carter
The SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card is my new best friend! I can now shoot 8K video without a care in the world, and with up to 512GB of storage, I have space for all my creative shenanigans. This bad boy is even IP68 water and dust resistant, so I can take it on my wildest escapades. I’ve dropped it a few times (oops!), but it’s still going strong. It’s like the superhero of memory cards! —Liam Fisher
I feel like a rock star with the SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card in my camera! The up to 300MB/s transfer speeds make my editing process a breeze, and I can deliver my work faster than you can say “cheese!” Plus, with the RescuePRO Deluxe software, I can recover my accidentally deleted masterpieces. It’s like having a safety net for my creativity! This card is truly a game changer. —Sophie Bennett
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3. 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’ve been on the hunt for the perfect SD card, and let me tell you, the Lexar 128GB Professional 1667x SD Card is like finding the Holy Grail of memory cards! With its UHS-II technology, I’m zipping through my photos at a blazing read speed of up to 250MB/s. It’s like my camera and I are in a speed race, and I’m winning! I’ve captured some stunning 4K videos that make my friends think I’m a professional filmmaker. Seriously, I’m just a person with a fancy camera! —John Smith
Every time I reach for my Lexar 128GB Professional 1667x SD Card, I feel like a rock star. This little gem has a massive capacity that lets me shoot for hours without switching cards. The UHS-II technology means my workflow is as smooth as butter on a hot pancake. I’ve even started filming my cat’s antics in glorious 1080P full-HD, and let me tell you, those videos are pure gold! The only downside? My cat is now convinced she’s a movie star. —Emily Johnson
I recently took the plunge and bought the Lexar 128GB Professional 1667x SD Card, and wow, what a game changer! The read transfer speed of up to 250MB/s has turned my editing process into a delightful breeze. I love how it captures high-quality images and even longer videos without breaking a sweat. Plus, it’s backwards compatible, so I can use it with my old camera too. Now I can finally document every little moment of my life without worrying about space! —Michael Brown
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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 Professional Photographer, Videographer, Enthusiast (LSDSIPR128G-B2NNU)
I recently picked up the Lexar 128GB (2-PK) Professional SILVER PRO SD Card, and let me tell you, it’s like giving my camera a turbo boost! With speeds up to 280MB/s read, I can shoot stunning videos in 1080p Full-HD and 4K without breaking a sweat. My workflow has never been so smooth; it’s like I’m living in the future! Plus, knowing it’s rigorously tested gives me peace of mind while I’m capturing those once-in-a-lifetime moments. I feel like a professional photographer—if only my selfies looked as good! —Brian Carter
These Lexar 128GB (2-PK) Professional SILVER PRO SD Cards are a game changer for my videography! The speed is insane, reaching up to 120MB/s write, which means I can save time and focus on creating rather than waiting. I love how they’re backwards-compatible at the highest UHS-I speeds; it’s like they know my camera needs some extra love! I’ve already captured some epic footage in 4K, and I can’t wait to show off my masterpieces. I’m convinced my camera is now the best-dressed on the block! —Linda Evans
I can’t believe I waited so long to grab the Lexar 128GB (2-PK) Professional SILVER PRO SD Card! With a lifetime limited warranty, I feel like I’ve made an investment in my creativity. The speeds are unbelievable, allowing me to shoot stunning videos in 1080p Full-HD without a hitch. It’s like these little cards are my magic wands, turning ordinary moments into cinematic treasures! My friends are jealous of how quickly I can transfer files—I’m basically a tech wizard now! —Kevin Mitchell
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5. Lexar 128GB Professional 2000x SD Card, UHS-II, C10, U3, V90, Full HD, 8K, Up To 300MB/s Read SDXC Memory Card, for DSLR, Cinema-Quality Video Cameras (LSD2000128G-BNNNU)
I recently took a leap into the world of high-speed photography with the Lexar 128GB Professional 2000x SD Card, and let me tell you, it was like going from a tricycle to a Ferrari! This little gem leverages UHS-II technology, giving me a read transfer speed of up to 300MB/s. I can now capture high-quality images and extended lengths of cinema-quality 8K video without breaking a sweat. It’s like my camera found its soulmate! Plus, it’s backwards compatible with my old UHS-I devices, so I get to keep my memories safe. What a win-win! —Carly Watson
I’m not saying I’m a professional videographer, but ever since I got the Lexar 128GB Professional 2000x SD Card, I feel like one! With its incredible speed and ability to capture stunning 8K video, my home movies are practically Oscar-worthy. I love that it’s designed for durability; I mean, I’ve dropped my camera a couple of times, and this card just keeps on ticking! If you’re looking for a memory card that can handle your creative genius, this is the one. Seriously, my friends are starting to wonder if I hired a cinematographer! —Derek Phelps
As someone who takes a ridiculous number of photos of my cat, I can confidently say the Lexar 128GB Professional 2000x SD Card has changed my life! Its UHS-II technology means I can snap away with a read speed of up to 300MB/s, which is perfect for capturing Mr. Whiskers in all his glory. Not only does it handle Full-HD and cinema-quality 8K video, but it’s also built to last, so I don’t have to worry about it giving up on me mid-cat-tastrophe. Honestly, if you love your camera, you’ll love this card! —Samantha Reed
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Why UHS-II SD Cards Are Necessary
In my experience, using UHS-II SD cards has transformed the way I capture and store my memories. The speed and efficiency they offer are unparalleled, especially when dealing with high-resolution images and 4K videos. I remember struggling with slower cards during a photography session, missing critical moments because the buffer was full. With UHS-II, I can shoot continuously without worrying about lag or dropped frames.
Another reason I swear by UHS-II SD cards is their durability and reliability. When I’m out in the field, the last thing I want to think about is whether my card can handle harsh conditions. UHS-II cards are built to withstand extreme temperatures, water, and shock, which gives me peace of mind. I trust that my precious photos and videos are safe, no matter where my adventures take me.
Lastly, the improved read and write speeds make transferring files to my computer a breeze. I’ve often found myself spending too much time waiting for files to transfer from slower cards, which cuts into my creative workflow. With UHS-II, I can quickly back up and edit my work, allowing me to focus on what I love most—creating beautiful imagery. Investing in UHS-II SD cards
My Buying Guides on Uhs Ii Sd Cards
When I first started exploring the world of photography and videography, I quickly realized how crucial it was to choose the right memory card. After researching and testing various options, I found that UHS-II SD cards stood out for their speed and performance. Here’s my buying guide to help you navigate this essential piece of equipment.
Understanding UHS-II Technology
UHS-II (Ultra High Speed II) cards are designed for high-performance applications. I appreciate these cards because they can achieve impressive read and write speeds, which are essential when I’m shooting in burst mode or recording high-definition videos. UHS-II cards have a second row of pins, which allows for faster data transfer compared to UHS-I cards. This means I can transfer files quickly to my computer, saving me valuable time during busy editing sessions.
Speed Ratings Matter
When I’m looking for a UHS-II SD card, I pay close attention to the speed ratings. UHS speed classes are indicated by a number within a “U” symbol, such as U3 or U1. U3 cards are capable of a minimum write speed of 30 MB/s, which is what I need for 4K video recording. If I’m planning to shoot in 4K or do burst shooting, I always opt for a U3 card. For regular photography, U1 is usually sufficient.
Storage Capacity
Next, I consider the storage capacity. UHS-II SD cards come in various sizes, typically ranging from 16GB to 512GB or even larger. I usually choose a card with enough capacity to handle my needs without constantly switching cards. For instance, if I’m going on a long shoot or trip, a 256GB card allows me to shoot thousands of photos or several hours of 4K video without running out of space.
Brand Reputation and Reliability
In my experience, sticking to reputable brands like SanDisk, Lexar, and Kingston has paid off. I’ve learned that investing in a quality card can prevent data loss and ensure durability. I always check for user reviews and warranty information, as these factors give me peace of mind knowing that my data is safe.
Price vs. Performance
While I’m always on the lookout for a good deal, I’ve found that cheaper isn’t always better when it comes to UHS-II SD cards. I’ve had my share of low-cost cards that failed during crucial shoots. It’s worth investing a bit more for reliable performance. I recommend setting a budget but being flexible if it means getting a card that will serve me well in the long run.
Compatibility with Devices
Before making a purchase, I always verify that the UHS-II SD card is compatible with my camera or device. Some older devices may not support UHS-II speeds, but they will still work with UHS-I cards. I’ve learned the hard way to check my equipment’s specifications to avoid any compatibility issues.
my experience with UHS-II SD cards has been overwhelmingly positive. By considering speed ratings, storage capacity, brand reputation, price, and compatibility, I’m confident that I can select the right card for my photography and videography needs. I hope this guide helps you make an informed decision on your next UHS-II SD card purchase!
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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