As of this writing, SD card video speed classes include V6, V10, V30, V60, and V90, with V90 being the fastest. Video speed class is displayed as a number next to the letter V. U3 cards get their increased speed from additional pins that let them send higher quantities of data simultaneously. U1 has a minimum speed of 10 MB/s, while U3 has a minimum rate of 30 MB/s. However, the UHS speed class is different, and will be displayed as a number inside a symbol that looks like the letter “U.” UHS stands for Ultra High Speed, a standard of data transfer that SD cards use. Class 10 (10 MB/s) is the fastest as of this writing. Speed class is the minimum speed in MB/s that a card can transfer data. Some of the cards on this list get write speeds of over 200 MB/s.Īn SD card’s speed class with be shown on the front of the card in a circle, and will be a number anywhere from 2 to 10. If you’re shooting fast action or 4K video, you’ll want a card with a write speed of at least 90 MB/s. Pay attention to write speed-it’ll determine how fast you can shoot still images in quick bursts, and the quality of video you can record to the card without lag.įor casual photographers, a minimum of 30 MB/s should be fine. “Read” speed is how fast the card can transfer data to the computer when you plug it in, while “write” speed is how quickly the card can record data when you’re shooting photos and video. Read/write speeds are probably the easiest to find on an SD card’s packaging. There are four speed classifications to consider when buying an SD card: read/write speed, speed class, UHS speed class, and video speed class. They’ll let you know how fast your camera can write data to the card, how many files it can take, and how fast you can shoot. When shopping for an SD or microSD card for your camera, speed classifications are particularly important. But with all the classifications, numbers, and speed ratings, it’s difficult to tell what’s good from what’s just alright. Whether you’re a casual hobbyist, vlogger, or professional photographer, you need a reliable memory card in your camera. What to Look For in an SD Card in 2023 Frequently Asked Questions Best SD Card for Cameras Overall: Lexar Professional 2000x Best Budget SD Card for Cameras: Transcend V90 UHS-II Best SD Card for Cameras Under $25: SanDisk Extreme Pro 64GB UHS-I Best High Capacity SD Card for Cameras: SanDisk 1TB Extreme PRO UHS-I Best Micro SD Card for Cameras: Kingston Canvas React Plus Update, : We’ve reviewed our recommendations and are confident these are still the best SD cards for cameras. ✗ Not for people who need a full-fledged SD card ✗ More expensive than faster UHS-II cards with less capacity ✗ Can't handle higher-quality formats like 4K or 8K very well ✗ Not as fast as newer, more expensive options ✓ Impressive speed ratings for a micro SD card ✓ Decent speed ratings for photos and video ✓ Good for photographers learning the ropes ✓ Handles 1080p footage and slower burst shooting ✓ Delivers decent performance without breaking the bank ✓ Backward compatible with cameras designed for UHS-I cards ✓ Highest speed ratings you can get in an SD card Need a microSD for your camera? Kingston has a high-storage, high-speed card that's great for content creators. The Extreme Pro is also a solid SD card with more than enough space for a vacation’s worth of photos and video. SanDisk offers a reliable workhorse SD card for enthusiasts and pros alike. Lexar offers pro-level speed and performance for a very affordable price.Ī powerful SD card for photographers on a budget, the V90 can stand toe-to-toe with more expensive options.
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