Hewlett Packard HP 512547-B21 146GB 15000 RPM SFF dual port enterprise SAS 2.0 6.0Gb/s 2.5" internal hard drive (Bare Drive) OEM HP 6Gb/sec SAS Enterprise and Midline hard drives deliver high performance solutions for hosting high transaction based applications. Available in HP hot plug carriers or non-hot plug. The HP SAS E