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Reviewed: Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD] [SDCX10]

Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD] Retail Packing

Today, we will be looking at a popular brand which is one of the veterans in the field of memory modules. Kingston, is probably a brand you have heard of and as a major brand in memory modules, they definitely would not miss out on these 64GB microSD’s. As such, we will look at their cheaper, lower-tier card today which is the Kingston Advanced Class 10 UHS-I with the product code of SDCX10.

The microSD card is known in most regions, including Singapore as the Kingston Advanced Class 10 UHS-I or just the Kingston microSD card, class 10. In China however, it is apparently marketed as the Kingston UltimateX MicroSD card. However, they are undoubtedly, the same item. The cards, retailing in Singapore typically comes with a microSD-to-SD adapter, which is pretty much the standard these days.

Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD] Front of the card

The Kingston card comes in a very plain design; White text on the black background, it is ordinary and still, easy to read. On the front, we can see the brand, capacity, ratings, model, serial number, country of manufacture as well as the counterfeit-prevention mark. For the microSD line, Kingston has opted to apply the Colour-Shift as opposed to the Phantom series found on the SD cards. The Colour-Shist counterfeit prevention can be found at the tip of the card, at the raised portion. As you can see, looking at it directly will produce a purple kind of glittery colour.
Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD] Front of the card at an angle for the Colour-shift test

At an angle, however, this produces a colour that is slightly yellowish-golden.

Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD] Back of the card

On the flip side, there is pretty much nothing, a plain black card. However, in our card’s instance, there is a warranty sticker pasted on it.

It is no surprise that this is a UHS-I Class 1 compatible together with a rating of class 10 card, as its name has already suggested. This of course again means we can expect a minimum performance of 10MB/s for read and write speed. So, let’s test it out:
H2testW for Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD]

On this H2testW, the read and write speed has been rather consistent, which is pretty good. However, though it is slightly on the slower side of the test.

Next, we will run the CrystalDiskMark in various capacities. The first capacity we run it on was 4000MB or 4GB. The result can be seen below:
First CrystalDiskMark, 1 x 4000MB, for Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD]

The next test, we ran the smallest test – 50MB:
Second CrystalDiskMark, 1 x 50MB, for Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD]

And finally, we run the middle sized test, taking the average of 5 attempts:
Third CrystalDiskMark, 5 x 1000MB, for Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD]

When compiled into a graph:
Benchmark graph, based on 500mb, for Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD]
Random read graph, for Kingston Advanced Class 10 UHS-I (64GB) [Also Known As Kingston UltimateX MicroSD]

Overall, as we can see, the write speed had a sharp start, after which, it was pretty consistent, but for both read and write it is been consistent, in fact, very consistent. Overall, the speed are:

READ – 42739KB/s
WRITE – 14902KB/s

We tried to ask for the technology behind the card, but we were told that it can’t be revealed. However, we believe that the card is powered by TLC nand. With a price tag of around SGD$42 (64GB) locally, it has a very consistent random speed (as seen in the graph), however, it is very slow. That said, the durability of this card should be good, and it is backed by Kingston’s well-loved lifetime warranty. However, in light of the slow random speeds, we would not recommend it well for mobile daily use.

Rating: ★★★★★★☆☆☆☆ 

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