The Quantum Bigfoot CY 2.1 GB 5.25" HDD is a high-capacity hard drive with a rotation speed of 3600 RPM and a cache size of 128 KB. With an average seek time of 13 ms, this silver-coloured hard drive is designed for efficient data retrieval. The product, part of the Bigfoot CY product line, is a reliable choice for those in need of a large storage capacity in a 5.25" form factor. Made by Quantum, a trusted brand in the industry, this HDD is a great addition to any computer system requiring storage solutions.