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Samsung 840 EVO slow read times


9u10m
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Hi all,

I have a hackintosh with 2 840 EVO SSD’s inside, and their read times gradually slow down A LOT.
'Freshly' written files on the SSDs do show normal read rates.
With files a few months old, AJA shows read times as low as 65MB/s...
Write tests are fine, I only notice a strong read degradation over time.

This is specific to those Samsung SSDs, I also have 2 smaller M4s installed with no such issue.

AHCI on, trim on, no filevault, no spotlight indexation, no sleep, lots of free space available on the SSDs. Connected to SATA 3 ports, latest firmware.

Specs: X79 deluxe, 4930k, HD 6870 with OSX 10.9.4

Anyone with a similar problem?

Thx

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