This M.2(NGFF) SATA KEY B SSD adapter card is designed for Macbook AIR A1370 A1369 adn used to allow M.2 NGFF SSD to replace SSD of 2010-2011 Macbook Air. Features: Support M.2 NGFF SSD 2230, 2242, 2260, 2280 to convert into (for) Macbook 2010 2011 AIR A1369 A1370 MC503 MC504 MC505 MC506 MC968 MC969 MC965 MC966. Support single particle M.2 SSD. No additional driver needed. It won it change your PC performance. So don it worry about that. Specifications: Package Weight: 6g / 0.21oz Item Size: 11 * 2.4 * 0.3cm / 4.33 * 0.94 * 0.12in (L * W * H) Package Size: 13.7 * 5.3 * 0.3cm / 5.39 * 2.09 * 0.12in (L * W * H) Kindly Note: PCIE X2 and PCIE X4 is not supported. Support NGFF SATA KEY B interface. Package List: 1 * Converter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin