Samsung Electronics Co., Ltd., the world leader in advanced memory technology, today announced that its OneNAND Flash memory has been incorporated into the design of Microsoft Corp.'s prototype Hybrid Hard Drive (HHD), the first fully functional disk drive to combine NAND-based Flash with rotating storage media. The hybrid drive, designed to work with the next version of the Windows operating system, code-named "Longhorn," is being exhibited for the first time at the Windows Hardware Engineering Conference (WinHEC) in Seattle at the Washington State Convention Center from April 25 to April 27.