Platter density has been the crutch of hard drive makers in recent history. Increasing spindle speeds can reduce random access latency, but at the expense of cost and thermals. Improvements in random burberry access performance via increasing spindle speed pale in comparison to what is possible with solid state storage, not to mention that driving motors at speeds beyond 10,000 RPM becomes quite difficult. The burberry focus on increasing platter density is also difficult, but higher density platters can actually lead to reductions in power consumption rather than the opposite (through a reduction in the number of platters per drive). There also the fact that if you can cram more data on a single platter there a direct impact on sequential accesses. BAll Joints UPPER are sold as the entire control arm or the RH control arm extension both versions have ball joints incorporated in the Control arm. A rattling crunching noise? no sense? Jack up the vehicle by placing jack carefully under the lower control arm out to the location of the lower ball joint burberry (but not on it). raise the vehicle slightly (after pulling off the tire and wheel). The new control arms come complete with new bushings installed. the adjusting cams must be properly set follwing the installation of the ball joints to align the burberry front end geometry. If the Lower ball joints are shot they will make a chirping sound as the metal to metal complains. When on the jack, the assembly is neutral burberry so by shaking it you should easily see where the source of the noise is. Don't drive excessively without getting this condition identified.