Intech Software Corporation today released Hard Disk SpeedTools 3.5, an updated version of its disk formatting and test utility software for Mac OS 8/9 and Mac OS X. Version 3.5 adds two new benchmark applications for Mac OS X, support for ATA-6 extended drives over 128GB (Classic only), support for the latest G4 models, and additional improvements. In addition, the company has introduced the SpeedTools Test Suite, a US$19.95 package offering a variety of benchmark applications for Mac OS 8/9 and Mac OS X. HardDisk SpeedTools 3.5 sells for $59.95, which includes free updates for life.