Memory sizes available: 16, 32, 64, 128, 256, 512MB, 1, 2, 4, 8, 16GB and above as required Compliant with USB specification 1.1/2.0 High speed, at least 10 years of data retention Plug-and-play supports Microsoft Windows 98SE/2000/ME/XP/Vista Plug-and-play function, no external power supply required, USB bus-powered All drives are made with high quality Samsung/Hynix/Micron memory Reading speed (USB 2.0): 15Mbps Writing speed (USB 2.0): 5Mbps (computer configuration dependent) Supports multi-partition and password access Supports BIOS booting as USB-ZIP or USB-HDD OEM: each USB drive is customized with your company's logo Packing design can be changed as per buyers' needs Prior to imprinting we will send you a proof for approval (if requested) Various colors optional, meets personal favorites very well FCC, CE and RoHS certification