Mid and Late 2011 - iMac12,1

Compatible Upgrade for: iMac12,1 - A1311 - EMC 2428    Mid 2011 21.5-inch
  iMac12,1 - A1311 - EMC 2496   Late 2011 21.5-inch
  How to find Model ID   Installation videos
Standard Storage: 500 GB HDD
Storage Interface: Serial ATA (6 Gb/s)/. As shipped, these models only supported the 3 Gb/s SATA II standard for both a 3.5" hard drive and a 2.5" SSD. However, as first discovered by 3rd parties, the iMac EFI Update 1.6, released two days later, quietly provided 6 Gb/s SATA III support.
The following items are also compatible with this product...............................
External Hard Drives Battery Ram Memory Storage Cards
       
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