However the five USB 2.0 ports – two of them on the front and three on the back, remained. Two of them were located on the front and two on the back. There were some minor changes to the exterior, though-specifically in the type and number of connections – the two FireWire 400 connectors from previous generations have been replaced with backward-compatible FireWire 800 ports, bringing the number of FireWire ports to four. Aside from the second optical-drive slot on the front, the Mac Pro continued to use the same big-handled, aluminum case as the Power Mac G5, introduced in 2004.It was also 27 percent faster in our Photoshop tests, and 20 percent faster at Compressor than the older system. The new quad-core’s score in our overall system performance suite, Speedmark 5, was 16 percent faster than that of the previous 2.8GHz eight-core Mac Pro. According to experts, that was s pretty impressive considering that the new Mac Pro was using only half the number of processing cores as 2008’s Mac standard configuration.
For example, tThe 2.66GHz quad-core Mac Pro posted faster speeds in Photoshop, Compressor, iMovie, iTunes, and 3-D game benchmarks than the previous standard eight-core Mac Pro.
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Turbo Boost helps speed up the majority of applications that haven’t been written to take full advantage of multicore processors by allowing the system to spin down idle processing cores while increasing the speed of the processors in use. Also new to the Nehalem processors was a technology conceived and developed by Intel and known as Turbo Boost. This structure helped use the available processing power more efficiently. According to Apple, a technology called Hyper-Threading created two virtual cores per each physical core, allowing each physical core to run two processes at once.Initial Price: $2499 – $2999 (depending on specifications).Apple Order Number: As a custom configuration of the Mac Pro “Quad Core” 2.66 (Early 2009/Nehalem), this model doesn’t have its own Apple Order Number.Dimensions: 20.1 in height, 8.1 in width, 18.7 in depth.Connectivity: Standard AirPort 802.11a/b/g/n (optional).1 Mac Pro (2.93GHz Quad Core, Early 2009).
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