The HP 900GB 10K 2.5in SAS HDD EG0900FDJYR is a high-capacity internal drive designed for use in PCs. With a rotation speed of 7200 RPM and a cache size of 64MB, this lot of 2 hard drives offers fast data transfer rates and efficient performance. The silver color and compact 2.5-inch form factor make it easy to install in various computer systems. As a reliable brand like HP, this HDD model ensures storage capacity of 900GB, making it a great choice for those needing extra storage space in their PC.