Store N Save Desktop Hard Drive, 3 Tb, Usb 3.0, 7,200 Rpm, Diamond BlackFeatures Green Button energy-saving software – power-saving settings to help conserve laptop battery life.Drive is pre-formatted FAT32. Use the included Formatter software to change this format e.g. NTFS, HFS+ as needed.SuperSpeed USB 3.0 – transfer speeds up to 10X faster than USB 2.0. WARNING: This product can expose you to chemicals including Styrene, a chemical known to the State of California to cause Cancer and Bisphenol A (BPA), a chemical known to the State of California to cause Birth Defect/Reproductive Harm. For more informati - Cancer:Styrene;;Birth Defect/Reproductive Harm:Bisphenol A (BPA)