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Reviewed: OEM Unbranded MicroSD [Samsung] (64GB)

OEM Unbranded MicroSD [Samsung] front

Today, we will be looking at a very different microSD card. For the last few weeks, we have been looking at branded microSD cards, but today, we will be looking at a unbranded microSD card. This microSD card is unbranded, and is supposedly from Samsung, but it has been performing pretty well for us, so let us take a look!

Unbranded microSD cards are usually not available for individual or consumer sales, as they are produced on consignments for promotional events, giveaways by other companies. These are typically done by mobile phone companies where bundled microSD’s are given with purchase of a phone. However, ex-stock may be prevalent sometimes, and these finds their way to the market.

According to the distributor we got this card from, the card was supposedly manufactured by Samsung for another company whom cut their order quantity, resulting in the excess cards being left and hence, onto the market. Since these cards come with limited DOA warranty, the price is also relatively cheap, but we will talk about that later.

As a OEM card, it has to be simple, a such, the front is just with the white text to explain the card. In this case, it states, UHS-I class 1, class 10 and the capacity, 64GB.

OEM Unbranded MicroSD [Samsung] back

On the reverse, you will find the batch number, serial number as well as its origin. In this instance, we can see that the card is manufactured in Korea.

As mentioned earlier, it is UHS-I and class 10 rated which tells us we can expect a minimum performance of 10MB/s for read and write speed. So, let’s test it out:

First, we test run it with h2testW which is a popular sequential testing tool.
OEM Unbranded MicroSD [Samsung] for h2testw

The test went pretty smoothly and constantly, so its a pretty consistent 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:
OEM Unbranded MicroSD [Samsung] First CrystalDiskMark Test (4000MB x 1)

The next test, we ran the smallest test – 50MB:
OEM Unbranded MicroSD [Samsung] Second CrystalDiskMark Test (50MB x 1)

And finally, we run the middle sized test, taking the average of 5 attempts:
OEM Unbranded MicroSD [Samsung] Third CrystalDiskMark Test (1000MB x 5)

When compiled into a graph:
OEM Unbranded MicroSD [Samsung] Benchmark graph
OEM Unbranded MicroSD [Samsung] Random read spectrum graph

Overall, as we can see, the card has a rather consistent performance in both read and write. In fact, the speed are also pretty good. However, when we tried to run the multiple random test, or block test, it failed to run. In addition, the random read was pretty good as well, as you can see in the response time graph. Overall, the speed are:

READ – 83500 kb/s
WRITE – 18851 kb/s

All in all, the card is very well-rounded. For both mobile use or camera (sequential) use, we can happily recommend this. The performance is close to that of another high-end Samsung microSD card which will be covered at a later date. With a availability price of $39, we are very convinced of this value, if it is ever available. However, these cards usually come with very limited or else, no warranty, so it will be best to test the cards with H2testW first, the moment you receive it.

Rating: ★★★★★★★★½☆ 

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