400-AVHH Dell 2.4TB 10000RPM SAS 12Gb/S 256MB 2.5-Inch Hard Drive

Dell 2.4TB 10000RPM SAS 12Gb/S 256MB 2.5-Inch Hard Drive. Speed and performance are closely related terms that refer to how quickly and efficiently a system or device can perform a task. Speed is often measured in terms of data transfer rates, such as in bytes per second or bits per second, while performance is typically measured in terms of how well the system or device completes a specific task or set of tasks.