This adapter is compatible with the following Models: MacBook Pro (15-inch Retina Display 2013) (January, 2013) Model ID: MacBookPro10,1 (2.4GHz, 2.7GHz, 2.8GHz) MacBook Pro (13-inch Retina Display 2013) (January, 2013) Model ID: MacBookPro10,2 (2.5GHz, 2.6GHz, 2.9GHz, 3.0GHz) MacBook Pro (15-inch Retina Display 2012) (June, 2012) Model ID: MacBookPro10,1 (2.3GHz, 2.6GHz, 2.7GHz) MacBook Pro (13-inch Retina Display 2012-2013) (October, 2012) Model ID: MacBookPro10,2 (2.5GHz, 2.9GHz) Not compatible with: Not for using with Late 2013 MacBook Pro with Retina Display with model ID: MacBookPro11,x The mSATA SSD adapter can convert your mSATA(52pin) SSD for using 2012 MACBOOK PRO Retina for IMAC A1398 MC975 MC976. Specifications: 1. Fits the following models of 2012 MACBOOK PRO laptop and IMAC: A1398 A1425 MC975 MC976 2. Mini PCI-e SSD Custom Size Dimension Support : Form Factor : 69.5 mm(L) x 32.1 mm (W) x 3.8 mm (H) Form Factor : 69.5 mm(L) x 30 mm (W) x 3.8 mm (H) Form Factor : 50.95 mm (L) x 30 mm (W) x 3.8 mm (H) Form Factor : 26.8 mm (L) x 30 mm (W) x 3.8 mm (H) 3. The adapter dimension size is the same as 2012 pro SSD: 89 X 32.5 mm 4. Plug and play, no drivers needed. 5. No additional power supply is required.Fit iMac 21 inch A1418,2012 Model MD093 MD094, iMac 27 inch A1419,2012 Model MD095 MD096. Fit MacBook Pro 15 inch A1398,2012 & Early 2013 Model MC975 MC976 ME664 ME665. Fit MacBook Pro 13 inch A1425, 2012 Model MD212 MD213, 2013 Model ME662. Allow users to replace or upgrade the SSD in 2012 and early 2013 macbook Pro Retina display or iMac with a mSATA SSD.