SentrySafe Safe Fire-Safe Waterproof 160 GB Hard Drive #QA0004 ETL Verified for Fire 1/2 hr at 1550 degrees F and Water - 24 hr submersion testing Enables back up of critical data in the event of crash or computer failure and protects the hard drive from fire and water related disasters Come with Sentry Safes fire and water data recovery support program Maxtor hard drive requirements: PC-Pentium III, 500 Mhx, Microsoft Vista, Windows XP or 2000, 128 MB Ram, USB2.0 port. USB Y-cable included, LED power indicator light, durable high gloss finish Mac: Mac OS X (10.3.69 or later) 128 MB RAM or more as required by operating system, USB 2.0 port