Deciphering all of the technical jargon can be a pain, but this guide is here to show you what to look for when choosing the right SD card for your camera. The first thing to decide is how much memory you'll need, but after that there are some extra factors to bear in mind.
Choosing the best SD card isn't just a case of finding the one with the biggest numbers on it. These numbers are a good indicator of size and speed, even intended purpose for example, stills or video recording but manufacturers often emphasize the best possible outcome. It delivered better-than-claimed transfers speeds on test, has a good range of card sizes from 16GB all the way up to GB, and is shock-proof, waterproof, X-ray proof and more.
If you're looking to save a bit a money, it's always worth bearing in mind the Amazon Prime Day deals. The shopping event takes place from June this year and we commonly see some pretty hefty discounts on cards like the ones in our list below, across a range of capacities. Want a quick primer on the main things to look for when choosing an SD card?
Use the link on the side to jump down to that handy section. But right now, we're going to get stuck straight into our list of the best SD cards you can buy. Overall, that makes this card an impressive buy at a reasonable cost. This card is ideal for high resolution, rapid-fire stills photography and 8K video, with 4K and HD video being recorded comfortably, too. While our speed tests show quite a dip in performance when compared to claimed speeds with our tests revealing a write speed of For added peace of mind, the card comes with a warranty direct from SanDisk giving you a lifetime guarantee should any fault arise and by lifetime, they mean 30 years.
This makes it an ideal card for users who want a rugged memory card that can withstand the elements. Though slightly more expensive than its competitors, the Lexar name is known for reliability and consistency in performance when it comes to memory cards.
In our real-world tests, we found that the read and write speeds fared significantly better than other cards in its class. The previous generation of this card—our former pick in this guide—was the fastest card we tested then, too. A faster read speed means less time spent waiting for your photos and video to transfer from your card onto your computer. For these tests, we recorded the sound of the shutter closing as we shot a burst of raw images. Each spike after that represents a single shot, and between those spikes the camera is writing files to the SD card.
In short: More, closely clumped spikes means a faster SD card. SD cards are more durable than hard drives because they lack moving parts, and they can survive being bumped around and dropped. This card has the same Class 10, U3, and V30 ratings as the Extreme Pro model, making it a suitable card for shooting photographs as well as capturing 4K video.
As for our in-camera burst-shooting tests, the SanDisk Extreme appeared to match the speed of our pick, capturing 15 shots in approximately five seconds. The two are backed by the same SanDisk lifetime limited warranty. In both its read and write speeds, it was outpaced by our upgrade pick, the Lexar Professional x , and during our in-camera testing we saw no significant difference between it and the two SanDisk UHS-I picks we recommend above.
Still, when it comes to investing in UHS-II cards that will last for years to come, we prefer lifetime warranties over the five-year warranty that Transcend offers. The 64 GB Transcend High Speed was our runner-up pick in , but during our testing we found its performance lacking in comparison with that of our SanDisk and Lexar picks. It was also significantly slower than any other card during our in-camera burst-shooting tests.
But while the Lexar card stayed in close contention during our testing, ultimately it was beat out by our SanDisk picks, which come with more extensive warranty coverage. All of these cards had slower write speeds than the most recent generations we recommend above. Justin Krajeski is a staff writer reporting on everyday carry at Wirecutter. He previously wrote about tech at Wirecutter.
He carries things every day. Our pick. Upgrade pick. Everything we recommend. Who should get this. How to avoid counterfeit cards. How we picked. The most important features of an SD card are speed, reliability, price, and warranty.
However, it's currently only available with a limited number of high end cameras mostly from Canon , Nikon and Panasonic. Meanwhile, CFexpress Type A cards are smaller and slower. Included in this guide: 1. The best all-round SD card right now, either for Raw files or 4K video. Capacity: Up to GB. Warranty: Lifetime limited warranty. Suitable for: Both photography and video including 4K. Reasons to avoid - Slightly pricey - There are faster cards at this level.
Designed for rapid-fire use and great for reliability and consistency. Reasons to avoid - Costlier than budget examples. Suitable for: Pros shooting rapid fire high res stills and video. Capacity: Up to 1TB. Suitable for: Both photography and video including 4K at pro level. Reasons to avoid - Costlier than budget examples - Not as widely available as others. This budget SDHC card has high capacity and speed for what it costs.
Capacity: Up to 64GB. Warranty: Five year limited warranty. Suitable for: Pros shooting rapid fire high res Raw stills and high quality 4K video. Reasons to avoid - Capacity tops out at 64GB - There are faster rival cards.
Samsung PRO Endurance. The best microSD card for your camera that you can buy right now. Warranty: Up to 5 years. Suitable for: Action cameras, dashcams, security cameras.
Reasons to avoid - Tiny and fiddly without adapter - More easily lost than larger SD cards. Warranty: 10 years. Suitable for: Day to day photography. Specifications Card type: microSD. Warranty: Lifetime. Warranty: Not specified. Suitable for: GoPros and other action cameras. Reasons to avoid - You pay extra for the branding, of course. Specifications Card type: CompactFlash. Reasons to avoid - Not as quick as the fastest SD cards - One of the oldest formats going.
Transcend x CompactFlash. Suitable for: Both photography and video including Full HD. Suitable for: Pro photography. A good value CFexpress type B card, though write speeds aren't the fastest. Warranty: Limited lifetime. Reasons to avoid - Relatively slow write speed. Capacity: 80GB, GB.
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