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【Dear Utol: Catfish Episode 46】

Source：Wisdom Convergence Information Network Editor：Science Time：2025-06-27 06:07:01

Six months ago,Dear Utol: Catfish Episode 46 SanDisk unveiled the world's first 400GB microSD card and made me feel like god having so much data storage on the tip of my finger.

Now, at Mobile World Congress, the storage company's back to explode heads with a newer version that's more than 50 percent faster.

SEE ALSO: Samsung finally nails all the details with the Galaxy S9 and S9+

The new "Extreme A2 microSD UHS-1 microSDXC" card's the same physical size and capacity as the old one, and it's red and gold instead of red and silver; however, it's no longer the world's largest microSD card anymore because that honor belongs to the 512GB card by Integral Memory -- but it's still hella fast.

SanDisk says the microSD card uses proprietary technology from its parent company Western Digital to achieve read speeds of up to 160MB/s and write speeds of up to 90MB/s. By comparison, Integral's 512GB microSD card only reads data at up to 90MB/s; write speeds are a vague "lower" according to the company's website.

A large amount of storage on a tiny-ass memory card is great for stashing all your data and media, but it's pointless if your devices are spending forever to read and write to them.

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This microSD card is hella fast.

Besides being extremely useful for transferring huge amounts of data in a jiffy, these doubled transfer speeds will be useful for photographers and video shooters who shoot lots of high-megapixel photos or 4K (or higher-resolution footage). Y'all know how slow memory cards can be to save large-sized RAW photos.

Is a 400GB microSD card that's uber-fast nerdy and geeky AF? Hell yeah it is, but that's why we love it so much. Sure, storage isn't ever going to be a sexy thing, but this card -- 400 gigs of storage with even faster speed in the same physical dimensions as the original 32 megabyte released in 2005 -- is what pure technology progress really looks.

And if you need a refresher on how much a 400GB microSD card can hold, here's a cheat sheet:

  • About 400,000 e-books (at an average size of 1MB per e-book)

  • About 200,000 photos (12-megapixel iPhone 7 photos at an average size of 2MB)

  • About 100,000 iTunes songs (at an average size of 4MB for an average 4-minute tune)

  • About 88 Full HD movies from iTunes (at an average of 4.5GB per movie)

  • About 16 Blu-Rays (at an average size of 25GB)

This super high-capacity and super fast card will cost you a pretty penny, though: $300.

Correction:The original story stated a 32MB microSD card came out in 2015. It's been corrected to "2005."

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