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Try to upgrade my 2012 iMac 27” with a blade SSD, but not sure if the following one I saw from eBay the correct part, can any one give an advise? Thanks. SSD 128GB MacBook Pro Retina 13" & 15" 2012 2013 A1398 A1425 | 661-7008 661-7285
Your iMac’s Blade SSD connector uses custom to Apple mSATA III (6.0 Gb/s) SSD. Apple offered five different sizes: 64, 128, 256, 512 & 768GB Your other choice is using an OWC mSATA III (6.0Gb/s) SSD drive OWC offers four sizes 256, 500GB as well as 1.0 & 2.0TB I strongly recommend you go with either of these choices. Sadly, your system does not support the faster PCIe/NVMe SSD’s and M.2 SSD’s won’t work as the physical interface is not the same.
