Verbatim DVD-RAM 9.4GB 3X Double Sided, Type 4 with Branded Surface - 1pk with Cartridge 4.7GB at 3x speed single-sided media in disc-removable Type 4 cartridge Drag &amp; drop storage just like a hard disk with write/rewrite over 100,000 times Designed for data intensive, high performance applications Provides high reliability &amp; random access editing Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a limited lifetime warranty and technical support