Fantom Drives Professional 1TB 7200RPM USB3.0/eSATA/Firewire400/800 - Aluminum External Hard Drive for Mac - Plug & Play (GFP1000Q3) Made to Plug & Play with Mac computers, iMac, MacBooks, MacBook Air, MacBook Pro. MacOS Extended Journaled (HFS+) formatted. Compatible with Mac OS X 10.2.2 and newer: (Panther, Tiger, Leopard, Snow Leopard, Lion, Mountain Lion, Mavericks, Yosemite, El Capitan, Sierra, and High Sierra). 7200 RPM Hard Drive for faster transfer rates. Host Interface: eSATA / FireWire 800 (2) / FireWire 400 / USB 3.0 1 Year Limited Warranty Host Interface: eSATA / FireWire 800 (2) / FireWire 400 / USB 3.0 For Mac compatibility this Hard Drive requires reformatting. Refer to Application Guide for guidance on this 7200RPM Over 170000 Photos Over 200000 MP3s Over 100 Digital Videos Over 600 DVDs Over 150 HD Videos