Micron c200 microSD Card Review (1TB) – As High Capacity Becomes the Norm in microSD

The inevitability of advance in flash has brought something that the world still cannot get enough of… storage.  Regardless of what you believe, there never seems to be enough space and higher resolution media would never survive on cards of only a few years back.  Micron’s latest and greatest  96-layer 3D QLC NAND is really the highlight of our review today.  Only with this, could Micron market its newest c200 1TB microSD card which could theoretically store 85,899,345 Word document pages, 17,000 hours of music, 310,000 pictures or 500 hours of video…all in a card that is just about the size of a finger tip.

If you are a media buff and keeping up with tech, you might notice that this card also has the newest rating of A2 App Performance Class, which means that it is capable of 4000 IOPS read, 2000 IOPS write with a sustained write of at least 10MB/s.  In other words, this card has been made for today’s handheld media devices to include smartphones, surveillance, drones and other cameras.


The Micron c200 microSD Card is available in capacities ranging from 128GB to 1TB, has performance up to 100MB/s read and 95MB/s write, because of its Dynamic SLC cache.  It is  also UHS-1 Speed Class 3 with Video Speed Class 30 which speaks to a sustained write of 10MB/s and video speed of at least 30MB/s for 4K HDR capture and playback.  Check out it’s SD Association specs here.


Also a definite credit to the build of the c200 is that it is waterproof, shock-proof, x-ray proof and comes with a class leading 5-year warranty, this warranty something that should be the standard for all SD cards in our opinion.  Let’s take a look at it’s speed right off inside our Samsung Note 8 smartphone…  In fact, let’s compare it to the only other 1TB microSD Card we have had in our hands, the Lexar High Preformance 633x.  The c200 is left and the Lexar 633x is on the right:


Just a bit below listed spec and this is only the second 1TB microSD that we have tested in our smartphone. While the Lexar was a bit high in its sequential reads at 78MB/s, the c200 prevailed in sequential writes and random read and write performance.

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