Increase the storage capacity of your systems with this 146 GB Hard Drive from Dell. The drive has an 8 MB cache and features Ultra320 SCSI interface - providing maximum transfer rate of up to 320 MBps. It also supports Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) which alerts the system of any negative reliability status conditions. The host system can then alert and advise users on taking appropriate actions to avoid potential system failure or downtime. This product has been tested and validated on Dell systems to ensure it will work with your computer.