Package View

In additional to the Active PFC, Silent Purepower 480W power supply unit is also equipped with advanced Temperature Control Technology. This enables the power supply unit to operate at its maximum capability while keeping the noise level down to an impressive 17dBA during normal operation.

Additionally, Manual Fan Speed Control gives the user ability to take control of Silent Purepower (It still works without connecting fan speed controller). Following RPM v. Temperature graph illustrates the RPM curve in corresponding to unit enclosure temperature. Red curve (Graph 1) indicates the speed that the fan operates at during Automatic Temperature Control. To ensure proper cooling, Silent Purepower 480W regulates the range of fan speed that user can manually adjust. i.e. at 40?C, user can manually adjust the speed within the range of 1125 RPM to 3125 RPM.

Compared with Parallel ATA, Serial ATA will have lower signalling voltages and reduced pin count, will be faster and more robust, and will have a much smaller cable. It will also be completely software compatible with Parallel ATA and provide backward compatibility for legacy Parallel ATA and ATAPI devices. This will be achieved either using chip sets that support Parallel ATA devices in conjunction with discrete components that support Serial ATA devices, or by the use of serial and parallel dongles, which adapt parallel devices to a serial controller or adapt serial devices to a parallel controller.

Reductions in voltage and pin count: Serial ATA's low-voltage requirement (500 mV peak-to-peak) will effectively alleviate the increasingly difficult-to-accommodate 5-volt signaling requirement that hampers the current Parallel ATA interface.
Smaller, easier-to-route cables: Elimination of the cable-length limitation: The Serial ATA architecture replaces the wide Parallel ATA ribbon cable with a thin, flexible cable that can be up to 1 meter in length. The serial cable is smaller and easier to route inside a PC's chassis and eliminates the need for the large and cumbersome 40-pin connectors required by Parallel ATA. The small-diameter cable also helps improve air flow inside the PC system chassis and will facilitate future designs of smaller PC systems.
Improved data robustness: Serial ATA will offer more thorough error checking and error correcting capabilities than are currently available with Parallel ATA. The end-to-end integrity of transferred commands and data can be guaranteed across the serial bus.
First-generation Serial ATA is expected to ship in 2001 with support for data transfer rates of up to 150 MBps. Subsequent versions of the specification are expected to increase performance to support data transfer rates of 300 MBps and, later, 600 MBps.