The WD800JB features, naturally, a 7200 RPM spindle rate. WD specifies seeks with its standard 7.9 milliseconds. The WD800JB was the primary HDDs with 8MB of storage cache, Seagate's 7200.7 was that will company's first generate that supported NCQ. The actual Raptor 36GB was WD's first ultra-high functionality drive with a 12,000 RPM spindle velocity and the Caviar Black 2TB functions 64MB of cache as well as dual processors. With the actual WD800JB, Western Digital goals users who seek the particular JB series' high-end performance without their high-end capacity. A two-platter design, the particular WD800JB turns in a reasonably low noise flooring, shaving more than A couple of dB/A off of the scores provided by Western Digital's three-disk models. Unless one is on an very tight budget, period of time cost, noise as well as heat levels of the WD800JB make it a fairly easy choice.