Split fusion drive, getting same disk speeds?

[psymac]

Split my new 27" iMac 3.8ghz/2TB fusion drive, and getting the same read and write speeds as I got before splitting. Wondering if I somehow did this wrong, but am showing separate SSD and HD on desktop. Thought I'd get much faster write speed after splitting, but same as before, about 750mb/s.

 

[Weaselboy]

How much data was on the Fusion drive? If it has very little data all the writes and reads will mostly go to the flash portion and have good speeds. Could that be what you are seeing?

 

[psymac]

Yes, no data was on the fusion drive, so apparently all the data was going to the SSD portion of the fusion drive. Disappointed that after splitting don't see write speeds similar to read speeds, as seen on SSD only iMacs. Not sure what is the difference with SSD only, as it the 128GB SSD from the Fusion setup is the same PCIe interface.

Did save $775 for this 3.8ghz/8GB/2TB model over that of the 3.8ghz/8GB/512GB SSD, so that will go for an external TB3 SSD down the road as needed (as very pleased with performance overall).

 

[Weaselboy]

Yes, no data was on the fusion drive, so apparently all the data was going to the SSD portion of the fusion drive.

Yep... that is exactly what is going on.

 

[nambuccaheadsau]

For mine, an SSD is not as fast as Flash and your speeds are just fine.

 

[psymac]

For mine, an SSD is not as fast as Flash and your speeds are just fine.

Thought it was already a flash SSD PCIe drive, assumed its just a smaller version of either the 256 or 512GB SSD flash drive options, but somehow must be different?

 

[Fishrrman]

OP:

You did nothing wrong and everything is as it should be.
It's completely normal to have -two- icons after splitting the fusion drive.
You'll quickly learn where to put things and how to manage the drives...