SanDisk Extreme Pro SD UHS-II 64GB review: speeds up to 300MB / s

SanDisk Extreme Pro SD UHS-II 64GB review: speeds up to 300MB / s

- in Gadgets, Reviews, Technology
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815 / 5000

SanDisk Extreme Pro SD UHS-II is one of the best SDXC / SDHC currently in circulation, the maximum speed promised by the company reaches up to 300Mb / s, with continuous shooting up to 260MB / s. Will the high price, about 244 euros on the official website for the 128GB variant, be adequate for users’ expectations? The SanDisk Extreme Pro SD UHS-II throws itself into the cheek of the market, aiming straight at an audience of professionals and very demanding users. Aesthetically, it does not have particular differences compared to the other models of the brand, the dimensions are 3.56 x 42.67 x 35.81 mm, and it is on sale in three different cuts: 32, 64 or 128GB (we tried the latter ). For a wider range of use, it is waterproof, shockproof, resistant to extreme temperatures and X-rays.

In the package we also find a free code for the license of RescuePRO Deluxe, a very useful software for recovering data from internal hard drives or portable devices. The interface is very spartan, but for this reason it is intuitive and within everyone’s reach.

The reviewed model is defined to all intents and purposes as a high performance SDHC / SDXC memory card, it is class 10, UHS-II (with UHS bus that allows write speeds up to 312MB / s) and U3 (therefore with minimum speed of 30MB / s). Technically, the SanDisk Extreme Pro SD UHS-II is the ideal product for producing / recording video in 4K / 8K, but also for use with the most renowned and demanding DSLRs.

SanDisk itself promises a write speed of 300MB / s, a very high level, with shooting speeds of up to 260MB / s (1733X). But will it be true? let’s see how it performed with our tests.

First of all, we tried it with our mirrorless cameras, for recording the videos that we publish daily on the channel; using it with the Sony Alpha 7m3 it performed perfectly even with 4K recordings at 25fps at 100MB / s, as well as very frequent continuous shooting. Files, even 30 minutes long, have always been saved quickly, without hesitation or excessive overheating.

To enjoy an overview we then moved to the computer, an MSI GE66 Raider with 16GB of 2600MHz RAM and 10th generation Intel Core i7, starting the usual CrystalDiskMark 8.0.2. We carried out the first tests with 5 sendings of 1GB each, reaching 270MB / s in reading and 98.20MB / s in writing; the latter were lower than expected as the SanDisk Extreme Pro SD UHS-II was not fully formatted (but we proceeded to delete it immediately).

After carrying out this operation, the figures have changed radically; in the second tranche of the benchmark we always sent 5 files of 128MB each, reaching 219.63MB / s in reading and 225.22MB / s in sequential writing. As well as the 280.94MB / s in reading and 230.16MB / s in writing for 4GB files, a sign that the product works better as the size and workload grow.The latest tests were carried out with the graph drawn up by ATTO Disk Benchmark and AS SSD Benchmark, solutions that confirmed all the good we have seen previously, in fact the speeds were around 213.49MB / s and 145.28MB / s for reading and writing respectively. .

The latest tests were carried out with the graph drawn up by ATTO Disk Benchmark and AS SSD Benchmark, solutions that confirmed all the good we have seen previously, in fact the speeds were around 213.49MB / s and 145.28MB / s for reading and writing respectively. .

Conclusion

In conclusion, the SanDisk Extreme Pro SD UHS-II is unquestionably one of the most performing, reliable and complete SD cards in the entire segment. The high price is fully justified by the speeds that can be achieved, the 300MB / s promised by SanDisk are absolutely real, in the right conditions you can also record in 4K at 60fps without the slightest difficulty or overheating of the product. Unlike what you might think, speeds stabilize as file sizes grow (without fluctuating or unreliable results), an important signal that once again urges you to absolutely recommend the SD to professionals in the sector or to very demanding users, in search of the best on the market.

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