Capacities: 256MB, 512MB, 1GB, 2GB, 4GB, 8GB,16GB Branding Screen Print | Engrave Operating Systems Win 98/SE/ ... 2000/XP/Vist Capacities:256MB, 512MB, 1GB, 2GB, 4GB, 8GB,16GBBrandingScreen Print | EngraveOperating SystemsWin 98/SE/2000/XP/Vista/win7 ...