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Model A1418 / Late 2013 / 2.7 & 2.9 GHz Core i5 or 3.1 GHz Core i7 Processor

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SSD Upgrade, Sata Speed

So as i asked earlier, my hdd is failing, and a thunderbolt enclousure is not an option at all…so well i decided to change the internal hdd for a ssd ( and also change thermal paste to Kyronaut Extreme, and clean the fan) but there is a problem, looking at the specifications (i use bootcamp only because college software is exclusive to windows) of the hdd, its says that is connected to a sata 2 port ( or limited to sata 2 speeds)

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Its because of the hdd is limited to Sata 2 speed or because the bandwidth is shared with the Propietary-PcieBlade?

If i install a sata 3 ssd will it use the full speed (600mb/s)? or there is a physical limitation on the speed because of the motherboard or something?

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It appears someone replaced your HDD at some point with an old SATA II (3.0 Gb/s) laptop drive! The original HDD this system had was a SATA III (6.0 Gb/s)

So as long as you put in a SATA III (6.0 Gb/s) SSD it will interface with the system at the higher data rate. Make sure you review the given drives spec sheet.

FYI - This explains your current problem as the Fusion drive set was not designed to work with the older SATA II HDD’s as its not fast enough!

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i bought the machine brand new from retail and it came with the normal box w/ all the stuff, no cardboard box or anything to say that it was Refurbished, so unless the retail itself repaired, i dont see other way to that to happen

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@mgbassdat - Are you sure you have ID'd the correct model here??

Double check plug in your systems S/N here EveryMac - Lookup

Your systems drive interface options are:

> 1 - SATA III (6.0 Gb/s)

> 1 - 5.0 GT/s PCIe x2 AHCI (original blade drive) or 3rd party NVMe

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Pretty sure about it, using the S/N i get this identifier, Identifiers: Late 2013 - ME087LL/A

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@mgbassdat - Somehow you got a SATA II (3.0 Gb/s) HDD put inside if your report is correct. But does it really matter? You are replacing it to a SSD correct??

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@danj yeah, but my concern its that if i put a SSD there, it will get also limited to SATA II

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