Plextor EX1 Portable USB 3.1 Gen 2 SSD Review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 378 Page 8 of 12 Published by

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SSD Performance HD Tune PRO

HD Tune Pro 4.5

HD Tune Pro is a hard disk utility and benchmarking utility for Windows. This tiny application allows you to scan your hard drives for errors or take a deeper look at several performance figures coming from the storage unit.

 Tune

As you can see a quick perf scan shows sequential read speeds of roughly 515 MBps, with writes close to 470 MBps. This is impressive for a USB 3.1 based storage device of course.

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Unfortunately all other write tests require an unformatted unpartitioned storage unit, as such we can only run the HD Tune Pro random access read test. But check out the 1 MB READ performance topping 382 MB/s. Impressive. 
 

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Mind you , it's not really fair to compare a USB 3.1 storage unit to SSDs tied to a SATA3 or PCIe slot.

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