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sergiobaschi

macrumors regular
Original poster
Nov 30, 2012
199
6
Gothenburg, Sweden
Just for fun I ran Black Magic on my work computer (as in provided to me by my employer). The computer is a mid 2012 13" MBP, with the 2.5 i5, 8 GB of RAM and a 500 GB HDD. I have about 220 GB free storage.

This is what Black Magic says. This can't be normal? I've ran it multiple times and the margin is about 5%.
 

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On a 5400rpm internal I wouldn't expect much more than that !
On a 5400rpm USB2.0 external I get only 21/32 write/read and that's
new and less than 1/3 full.
With a good 7200rpm on USB3.0 you'll see perhaps 80-120 or so.
SSD is the way forward !

M.
 
The speed on your macbook can vary between 50mbps and 100mbps depending on various factors when the test is conducted. It will usually ease in at around 70 - 75 mbps with the bmspeedtest. Your results are too low either way.
 
On a 5400rpm internal I wouldn't expect much more than that !
On a 5400rpm USB2.0 external I get only 21/32 write/read and that's
new and less than 1/3 full.
With a good 7200rpm on USB3.0 you'll see perhaps 80-120 or so.
SSD is the way forward !

M.

I know that SSD is the "way forward". I'm just wondering if these numbers make sense for this config. I would say they don't. Would appreciate if other users with the same drive could test Black Magic.
 
Those speeds aren't good even for a 5400 rmp drive. I have an old Medion laptop with an 500gb 5400 rmp drive with internal Sata 2 connection I get about 100-130 MB/s.
 
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