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USB Flash Drive Read/Write speed differences

Just that Mario
By Just that Mario
in Storage Devices
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Bought a pretty random USB flash drive to use for Windows install. Ran CrystalDiskmark on it for lols and read was 130MB/s, which is almost double of advertised (at least advertised on Amazon like that, cannot find any serious info on manufacturer's page). But what got me was the write speed peaking at 6MB/s over multiple tests. Some tests just ended with write speed being 0MB/s. I am so confused. On Amazon advertised speed and what reviews are showing are about 75/30 for read/write. Never in my life I would've expected 130 read, 6 write from a storage device. Flash Drive in mind is HP x770W USB 3.1 64GB.


side note: Of course this flash drive isn't detected by the laptop I am trying to install the OS on (works on another HP laptop and my desktop). While testing the read/write speeds I decided to search for my external HDD and OFC that one had Windows installation media on it and for some reason is detected by the laptop immediatelly. I am so bamboozled.

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https://linustechtips.com/topic/1359438-usb-flash-drive-readwrite-speed-differences/
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