Designed to universally fit MacBooks, TheMiniDrive (Original) is fitted with a plastic tab that folds into the SD card slot after it is inserted. This allows the user to universally use it in many laptops including: 

• Air 13” Late 2010 +      
• Pro 13” Mid 2009 +  
• Pro 15” Mid 2009 +  
• Pro 17” Mid 2012 +  
• Retina 15” Mid 2012 + 

You may also order TheMiniDrive "Original" directly from Amazon!