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.