Micromat TechTool Pro 4 (Mac) New Volume Journaling tool makes you run your directory structure more quickly & efficiently than ever. Multiple protection and prevention features send mail alerts anytime a problem is found Complete suite of Self Monitoring Analysis & Reporting Technology(SMART tests) monitors overall performance and keeps you aware of the situation Runs faster and more efficiently with the power of Mac OS X Checks Internet connections, networks, modems and some 3rd-party external peripherals