The product is a lot of three Dell PowerEdge 2800 Cheetah 10K.7 ST3146707LC 146GB 10K Ultra320 SCSI HDD internal desktop drives. These hard drives are designed for PC compatibility and have a storage capacity of 146GB each. With a rotation speed of 10,000 RPM and a transfer rate of 320 Mbps, these drives offer fast data access and storage. They are part of the Seagate Cheetah product line and feature a hot swap design for easy installation and maintenance. These silver and black drives have a 3.5-inch form factor and a cache size of 8MB, making them reliable and efficient storage solutions for desktop computers.