Add 480GB of SSD storage to your 21.5" or 27" iMac with the 480GB Aura 6G PCIe Internal SSD for iMac (Late 2012-Early 2013) from OWC / Other World Computing. This drive is compatible with the 2.9 and 3.1 GHz 21.5" iMac released in October 2012 (iMac13,1), the 2.9, 3.2, and 3.4 GHz Core i7 27" iMac released in October 2012 (iMac13,2), and the 3.3 GHz Core i3 21.5" iMac released in March 2013 (iMac13,1). It is NOT compatible with the 2.7 GHz 21.5" iMac released in October 2012 (iMac13,1).
Built using a SandForce SF2281 processor and Tier 1 Asynchronous MLC NAND Flash storage, this SSD connects to your iMac using a PCIe interface and features no moving parts, helping to protect it from accidental bumps and drops, as well as achieve faster data transfer speeds. Having no moving parts also means that this SSD will receive less wear and tear, as there are no read and write heads for the SSD media to come into contact with. In terms of speed, this drive offers read speeds up to 501 MB/s, write speeds up to 503 MB/s, and up to 60,000 random 4K Input/Output Operations per Second (IOPS).
Also featured is 7% over provisioning ECC recovery, less than 1 per 1016 non-recoverable read errors per bits read, 128-bit AES data encryption, read and write latencies of less than 0.1 ms, and OS dependent TRIM support. OWC's 480GB Aura 6G PCIe Internal SSD for iMac includes a Torx SSD mounting screw, an OWC pick (for screen separation), and adhesive strips (for screen re-attachment). It is protected by a limited 3-year warranty.