IBM® 146 GB, 300 GB, 500 GB and 600 GB SAS 2.5-inch HDDs are available as either hot-swap or simple-swap as required. They are RoHS compliant and PI enabled. IBM 500 GB, 1 TB, 2 TB, and 3 TB 7,200 rpm 6 Gbps 3.5-inch hot-swap and simple-swap NL SATA and 1 TB, 2 TB, and 3 TB hot-swap NL SAS HDDs can provide the performance required for extensive storage capacity while providing the flexibility of hot-swap or simple-swap versions. - 7,200 rpm HDDs deliver SAS or SATA device reliability and largest capacity performance in the IBM HDD family. - 3.5-inch, slim-line form factor optimizes storage capacity. - Through use of software utilities, Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) can alert you of certain impending drive failures so that replacements can be made. - Hot-swap and simple-swap versions of the HDD options are available as SAS and SATA. - One-year warranty included.