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Original topic:

Slow EVO 970 PLUS write speeds

(Topic created on: 05-09-2021 08:51 AM)
Karlosfunfango
Apprentice
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Computers & IT

I have an evo 970 PLUS 2TB SSD installed in an external thunderbolt 3 enclosure but I am only getting 1300MB/s write speeds (read speeds are good - 2875MB/s). My smaller 970 EVO 1TB gives me 2800MB/s write speeds in the same enclosure - why is this? I was expecting similar or better write speeds with the 970 EVO plus ? The enclosure is a Samsung X5 which was originally 500GB.

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4 REPLIES 4
Archer_Legend
Voyager
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Computers & IT

have you seen if the ssd throttles under the test?

Archer
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Karlosfunfango
Apprentice
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Computers & IT
After much research it appears its a evo 970 plus firmware thing. Works at full rate with non-plus evo 970. Not throttling as temps remain low and rates consistent throughout tests. I believe its a cache issue.
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Archer_Legend
Voyager
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Computers & IT

it may well be a firmware issue, in that case have a look with magician to see if the drive's firmware is up to date, if so you unfortunately need to wait for a firmware update to fix the issue 😞

Archer
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Karlosfunfango
Apprentice
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Computers & IT
Thanks - I have also noticed lots of tb3 enclosures do not recommend evo 970 plus. In hindsight I should have probably gone with an evo 860 Pro. I won't hold my breath for a samsung update 🙂
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