KingDian New 240G With 256M Cache SSD Solid State Drive 2.5 inch SATAIII High Speed Upgrade Kit Portable External Internal for Laptop Desktop PCs and MacPro(S280 240G) Premium Capacity: 2.5 inch 240GB with 256M Cache Slim type 7mm for Ultra Slim Notebook Supports TRIM command and Garbage Collection technology Sequential Data Read/Write Performance (Up to): 559/422MB/s Optimized performance for everyday computing needs;Backed by a three-year limited warranty