Thunderbolt 2 made its debut when Apple released the latest version of its MacBook Pro last October, but it's become more prominent with the relase of the new Mac Pro. How different is Thunderbolt 2 from its predecessor? Here's what you need to know.What is Thunderbolt?Thunderbolt is an interconnect technology developed by Intel in cooperation with Apple. Thunderbolt combines PCI Express and DisplayPort into a single connection, allowing for a combination of up to six peripherals, like storage devices and monitors, to be daisy-chained together. You can also connect USB and FireWire peripherals via Thunderbolt, as long as you have the proper adapter. Those connections won't run any faster just because they're on a Thunderbolt connection.We covered much of Thunderbolt's background in our
