Be slow again

Be slow again

Transcend JetDrive Lite 360 ​​128GB storage expansion for Macbook Pro Retina 39.11 cm (15.4 inches) (late 2013-mid-2014) (Personal Computers)
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Customer Review

I have the card in a current 2014er MacBook Pro in action.

I have formatted "Mac OS Extended (Journaled)" and initially reached the promised write speeds of about 60MB / s card.

After I was angry about the speed lately often times, I have measured it currently again:
Read about 85MB / s, write about 10MB / s.

This is far too slow and no longer meets the advertised speeds.

UPDATE:

I have now made some tests and now the card is again faster (oscillates between 25-55 MB / s write).
It also acts as if the card is faster, the full it is. This somehow makes little sense in a flash memory. Possibly the controller is not so optimal in selecting the blocks to be described.

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