The Apple Power Macintosh G5/1.8(PCI-X), by on the Power Macintosh G5/1.6 and Power Macintosh G5 2.0DP, is a fellow member of the 1st Mac series to apply the 64-bitPower PC 970 (G5) processor, and consequently are arguably the 1st "desktop" computers to apply 64-bit chips. In extra tohigher clock speeds, the Power PC 970 (G5) has a "novelexecution core that characteristics massively parallel computationfor an unprecedented 215 in-flight instructions", and the PowerMacintosh G5 applies a novel system architecture like considerable.Together this combination results in major speed derives compared tobefore Apple systems.

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The Power Macintosh G5/1.8 (PCI-X)characterizes a 1.8 GHz PowerPC 970 (G5) processor on an optimizedAltiVec "Velocity Engine" vector processing unit, and 512klevel 2 on-chip cache, and shipped assembled on 512 MB of 400 MHzPC3200 DDR SDRAM, a 160.0 GB (7200 RPM) Serial ATA hard drive, a 4XDVD-R/CD-RW "SuperDrive", and a NVIDIA GeForce FX 5200Ultra (AGP 8X Pro) video card with 64 MB of DDR SDRAM. In extra tohaving FireWire "400" and "800", ADC, DVI, backup for AirPort Extreme (802.11g) and Blue-tooth 1.1, the PowerMacintosh G5 even presents USB 2.0 and optical digital audio in orout. Extra, this model as well as the higher-end Power Macintosh G52.0 DP presented PCI-X slots.

With first glance, the caseseems identical to the case presented on the "Blue &White"Power Macintosh G3 series throughout with a postmoderncheese grater, but it is really a completely different plan. The"anodized aluminum alloy" Power Macintosh G5 case isdivided into 4 different thermal zones on nine computer-controlledfans for optimum cooling, and characterizes a removable slope panelfor simple access to internal components. Custom configurations evenwere available.