Built into the left side are two closely placed USB 2.0 ports, Mini DisplayPort (shared with Thunderbolt), a FireWire 800 port, the MagSafe power port, and headphone and mic jacks.
Otherwise, the ports remain the same: On the right side of the 15-inch MacBook Pro you'll find the 8X SuperDrive and Kensington lock slot. While there are no peripherals that yet support this interface (the earliest will be this summer), Apple provided a demonstration where it was able to duplicate a 4.42GB folder in 10 seconds. Thunderbolt will also let you daisy-chain up to six devices, so you can have several hard drives connected to an external monitor, which should please movie editors who like to use larger displays. This port also carries up to 10 watts of electricity, so you can use Thunderbolt peripherals, such as external hard drives, without having to plug in an extra source of power.
This connection, which shares the same port as the Mini DisplayPort, has theoretical throughput of 10 Gbps. The newest addition to the MacBook Pro's ports is Thunderbolt, formerly known as Light Peak. Higher tones were crisp without sounding distorted lower notes, such as the bass line in the song, had enough presence, though we would prefer a little more punch. At full volume, Beyonce Knowles' vocals filled a small room.
Speakers on either side of the keyboard provided very good audio.
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