[SOLVED] Samsung 840 write-speed is only 100mb/s ?

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May 3, 2021
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I bought my Samsung 840 SSD on eBay and for some reason, it is writing much slower than I thought it should. The read-speeds are at 400-500mb/s but the write-speed is lower than I thought. CrystalDiskInfo says the drive health is at 89% so does anybody have any ideas on why it's running slower ?
 

USAFRet

Titan
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I bought my Samsung 840 SSD on eBay and for some reason, it is writing much slower than I thought it should. The read-speeds are at 400-500mb/s but the write-speed is lower than I thought. CrystalDiskInfo says the drive health is at 89% so does anybody have any ideas on why it's running slower ?
What firmware version?
The current for that drive is EXT0DB6Q.

One of my 840 EVOs:

Samsung Magician
irzNkfI.png


CrystalDiskMark
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May 3, 2021
18
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Write cache enabled?
It is On by default, but check.

An 840 EVO is ~7 years old. I have 2x at 250GB.
Hopefully, you didn't pay more than about $10 for this.

Yes write cache is enabled in device manager. Well I paid 20 dollars on eBay and it still works. Don't feel like I got scammed as I mainly bought it for the bootup times.
 
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