brand new and high quality Color: Black Only Comeptible Model: 2011 AIR A1370 A1369 MC968 MC969 MC965 MC966 SD to 2.5" SATA 12+6pin SSD The speed and other properties is not changed,only form conversion interface. The main body is very light. You can connect it to desktop Before you use it, please identify interface definition of your SSD. for Mac OS and some digital camera system use disk format can'for t for Microsoft system,new SSD if there is no partition,open the "my computer" can'for t see the ssd, please use the Disk Manager in for Windows to delete the partitions or to create a new partition on the SSD. Please check your computer can support the SSD,some computer is too old,it is not for SSD;There are some brand computer for a particular type of SSD is not compatible. Please connect the adapter card in your computer hard disk drive interface test or with USB hard disk box to test the adapter card,if the SSD with a test method can'for t identify by computer,change other test method to check the SSD, If still can'for t identify please try to replace a computer,this operation can be ruled out compatibility problems. Please use USB 3.0 interface test adapter card,because the old USB interface doesn'for t provide enough current for same SSD. Only sell adapter card, the SSD is not included. Dimensions: 12.8 for cm*4.2 for cm*1 for cm Quantity:1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item.Thank you!