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The S511 utilizes the new generation SandForce SF-2200 series controller, with native support for the SATA 6Gb/s platform. The S511 completely brings into play the revolutionary high-speed performance of solid state drives, embracing a new world of transfer performance. With read and write speeds twice that of SSDs using the older SATA II specification, the S511 reached 550/520MB read and write speeds respectively, with 4K random write speeds as high as 60,000 IOPS in real world testing. This means transferring a 5GB video file can be completed in as few as 15 seconds. In actual testing of Windows 7 boot speed, the S511 clocked an impressive 23 second system boot time, giving full satisfaction to the performance needs of power users. System backup tools, eliminating installation operating procedures All purchasers of the S511 can download the free Disk Migration Utility software. It facilitates the quick transfer of all files to the new solid state drive, significantly reducing the troublesome and time-consuming process of reinstalling software and restoring data from backups. * Disk Migration Utility software runs on these operating systems: Windows XP / Windows Vista / Windows 7 Software Download Area: http://www.adata-group.com/index.php?action=ss_main&page=ss_software_5 Specifications - NAND Flash: MLC (Mulit-level cell) Flash - Form Factor: 2.5 inch - Dimensions: 100 x 69.85 x 9.5mm (L x W x T) - Weight: 76g - Operating Temp: 0°C ~ 70°C - Storage Temp: -40°C ~ 85°C - Interface SATA: 6Gb/s - Shock Resistance: 1500G - Power Consumption: 3W active; 0.6W Idle - MTBF: 1,000,000hrs - Warranty: 3 years 60GB Performance - Read : Up to 550MB/S - Write : Up to 500MB/S - 4K Random Write (Aligned): 60,000 IOPS - Maximum 4K Randdom Write : 80,000 IOPS 120GB Performance - Read : Up to 550MB/S - Write : Up to 510MB/S - 4K Random Write (Aligned): 60,000 IOPS - Maximum 4K Randdom Write : 85,000 IOPS 240GB Performance - Read : Up to 550MB/S - Write : Up to 520MB/S - 4K Random Write (Aligned): 60,000 IOPS - Maximum 4K Randdom Write : 85,000 IOPS 480GB Performance - Read : Up to 540MB/S - Write : Up to 460MB/S - 4K Random Write (Aligned): 40,000 IOPS - Maximum 4K Randdom Write : 40,000 IOPS Accessories - 2.5" to 3.5" Bracket - Disk Migration Utility