Founded in 1988 by Dr. Eli Harari, an internationally recognized authority on non-volatile memory technology, SanDisk is the supplier of innovative flash memory data storage products. SanDisk is a publicly traded company [NASDAQ:SNDK]. SanDisk offers Pen drive with 4GB memory available with features like; Dimensions: 7.9mm x 18.95mm x 52.2mm [H x W x L], Stylish metal casing with a clear skin and cap, Hi-Speed USB 2.0 certified [backwards compatible with all USB 1.1 ports], Compatible with Windows 2000, XP and Mac OS 9.1.X+, OS X v10.1.2+, Certified Windows XP and Mac OS X.