![]() ![]() The SATA cable is the weak link, one of many reasons Apple went to the PCI-e and soldered-in storage. ![]() ![]() They can be damaged quite easily if the unit is mishandled during assembly or re-assembly. Heres how an IT pro replaced a three-year-old MacBook Pros hard drive with an SSD for less than 80 in about an hour. This type of cable can experience cracks in traces due to aging, heat, vibration, impact and abrasion. SSD drives. LOL.the one i purchased 3 weeks ago has an i7 2.8Ghz Quad Core processor.now even though the A1398s got rid of the CD/DVD drive, its still the has an HDMI port, 2 USB 3.0. Those SATA cables are actually not cables but flexible circuit boards, usually mylar, with printed circuit traces taking the place of wires. Apple MacBook Pro 15' Mid 2015 A1398 i7 2.5GHz 16GB RAM 512GB SSD MacOS. As it cools down, electrical contact may once again be restored. As a unit heats up, it expands, and as it expands, the crack widens, eventually forcing a complete electrical separation to exist on both sides of the crack, hence a failure. In the case of an intermittent generic failure, the electrical continuity of a cracked trace on both sides of the crack is very often a function of the temperature of the unit at the point where the crack exists. ![]() It is however no mystery why old cables fail when switching from HDD to SSD. Agreed, a new SATA cable is a nominal expense and highly recommended. ![]()
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