![]() The biggest advantage is obviously the aforementioned performance. What are Thunderbolt’s advantages over current connections-FireWire, USB, eSATA, and the like? You can think of PCI Express as an expressway that lets data move quickly and efficiently between these “locations.” Because Thunderbolt is based on PCI Express, it offers a direct connection to the PCI Express bus, which is part of the reason it can offer such impressive performance. ![]() PCI Express is the high-speed architecture that’s used to connect many of the components in your Mac, such as the processor, graphics card, and hard drive. Optical versions will likely be used only when cables longer than three meters are needed.) (IntelĮxpects most vendors to use electrical connections both for this advantage and because of the lower cost. One thing to note, however, is that although Thunderbolt is designed to allow the use of either electrical or optical connections, Apple’s current implementation uses only electrical circuitry, which allows the port to carry power, as well. Light Peak was simply Intel’s codename for Thunderbolt while the technology was under development-they’re names for the exact same technology. Is Thunderbolt any different from Light Peak?
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