The brand SA400S37/480G Kingston Series A400 Model Internal Solid State Drive (SSD) Device Type Used for Customer Information Factor of Form Components of a 2.5-inch, 480-GB memory system SATA III TLC Interface Performance 500 MBps is the maximum sequential read speed. 450 MBps maximum sequential write speed with a 1,000,000-hour MTBF Characteristics Characteristics 10 times faster than an HDD – The A400 SSD's amazing read/write speeds can be used to revitalize older systems in addition to boosting performance. Rugged: When utilized in notebooks and other mobile computing devices, the A400 exhibits rugged reliability due to its resistance to shock and vibration. Multiple capacities: The A400 is made to meet the needs of all users and comes in 120GB, 240GB, and 480GB capacities. The 7mm form factor of the A400 makes it perfect for desktops and notebooks.