1 x 512GB Macbook pro SSD. Speeds faster than Apple original SSD. SSD 100% compatibly. iMac 21.5" late 2012 A1418 EMC 2544. iMAC 27" late 2012 A1418 EMC 2546. Early 2013 A1418 EMC 2545. Free installation catalina 10.15 + opening tools.
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