Operating System Requirements: Mac OS X 10.7+ File Name: sonnetge1000la_mac1.2.dmg File Size: 89.1 KB Description: This software provides Thunderbolt support for Sonnet's Presto Gigabit Pro PCIe card when used with a Mac mini installed in Sonnet's xMac mini Server PCIe 2.0 expansion system/1U rackmount enclosure.