In addition to this new information, in fact, there would be absolutely no need to stay with a WD drive as a replacement. According to this new information, which I strongly distrust, I would not have to worry about compatibility issues, other than perhaps needing to jumper down from SATA 3 to SATA 2, if I were to buy a new WD SATA 3 drive. He insisted that the only cable by which the SMART data could be conducted would be the ordinary SATA cable, the data cable.Īll of this flies completely in the face of everything I’d been reading and hearing about for the past three years. Besides that, he told me he had no knowledge of there being any kind of proprietary cable, either a special temperature sensor cable or a proprietary SATA data cable. This tech told me–and after supposedly confirming this with an engineer he spoke to–that the only temperature sensor in any of the WD drives is the SMART sensor other than that there is no temperature sensor, and that he had never heard of any external stick-on sensor being used for any WD drive. In trying to determine whether a WD5000AAKS with a manufacture date of 2008 (that is, from before this Apple changeover in 2009) would be a suitable replacement, and if not, what currently available WD 500GB drives, either Caviar Blue or Black, would be compatible, I called WD tech support yesterday and was connected to a Level 2 tech. TekServe is a well known Apple Authorized Service Provider. This was also confirmed by TekServe in NY. …Fortunately, you can reuse the cable that came with your iMac as long as you replace the drive with another model from the same manufacturer we have confirmed works properly with this thermal sensor cable. They’ve gone from an external sensor that attached to the outside surface of the drive to a connector that seems to use the drive’s internal sensors.
#NEW HARD DRIVE FOR IMAC 2009 MAC#
Other World Computing is a major supplier of Mac accessories and components.Īpple has switched the iMac’s method of hard drive temperature sensing. The following is from an OWC blog from 2009. It is widely known that beginning with the late 2009 iMacs, Apple started using a proprietary cable for the drive temperature sensor.
I have a late 2009 iMac, model 10,1 with a WD5000AAKS 500GB drive.
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