This is just one possible setup, but I hope it’s useful to you. I have two SSD-equipped machines here, including a mixed-drive iMac, and have recently configured it in what I believe is a good compromise setup to take advantage of SSD speed without sacrificing the roomy storage of a hard drive (or causing excessive wear to the SSD). Macs are now being offered with what I call “ mixed drive” configurations, including both a (small often 256 GB) SSD and an HDD, and many people wonder how to make the most of this setup. The downside is they’re currently still very expensive compared to hard drives, such that only smaller capacities are currently affordable. This is only an issue if you put a SATA III drive in the HD bay.Solid-state drives (SSDs) are becoming commonplace, and the first time you use one as a boot drive, you realise why - they’re faster than hard drives to a ridiculous degree. So let's focus on yours! The HD SATA cable often needs replacement due to wear or being an older version which only supports SATA II data rates Your Hard Drive Cable Is A Ticking Time Bomb and flow this guide to replace it MacBook Pro 13" Unibody Mid 2012 Hard Drive Cable Replacement the needed part is listed in the guide. Clearly, each group I've outlined here are different!
So what we have here is someones generic statement implying all have MacBook Pros have a problem. The 2011 models have a clean SATA III interface on the HD port but a messed up port in the optical port which can only support SATA II (3.0 Gb/s) fixed drives! The 20 systems are only SATA II (3.0 Gb/s) for both ports and the 2008 models have a SATA I (1.5 Gb/s) HD port and a PATA interface on the optical port. The 2012 model has a true dual SATA III (6.0 Gb/s) for both drive ports.
The 2012 model is very different than the older 2011 model and different again to the 2010 and older models! Let me explain.
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