The Western Digital Caviar 33100 WDAC33100-23h 3.16GB 3.5" IDE Hard Drive is a reliable internal desktop drive that offers a storage capacity of 3.16GB. With a form factor of 3.5 inches, this hard drive is designed for easy installation and compatibility with IDE interfaces. The model Caviar 33100 by Western Digital ensures high performance and durability, making it an excellent choice for expanding storage capacity in your computer system. This hard drive has been wiped and cleared, ready for use and includes COA, License, and OS for a seamless integration into your system.