drive write speed very slow at 33MB/s

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Hi Guys my first post, just joined the forum, I performed novabench  on my MacBook pro 13inch (mid 2012) i received a low score, the worst part is the drive write speed of 33MB/s the other 2 times I did the test I received even worst write speed results of 10MB/s & 21MB/s I have a 750GB 5400rpm HDD, which I am looking to upgrade to SDD soon, but I am having problems with backing up the data with Time Machine or cloning it with Superduper where it is taking an age to backup or clone, I'm sure this is due to the very low write speed.


Pls I need advise on how to resolve this 


thanks (attached is my Novabench score)

Screen Shot 2017-06-20 at 22.26.04.png

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What you might want to check is the S.M.A.R.T. status on the drive, to see if anything is failing or going wrong. For Mac OS X, I hear "DriveDX" is a good program to use for this. Get it here: Run it, and post a screenshot of your results. Another thing is that Novabench doesn't fully support some HDDs/SSDs, so sometimes it can't test it to its max.

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