I recently brought an WD 80Gig HDD with an 8meg cache on ebay but I'm worried that it may not be the 8meg cache version. Is there anyway I can find out the complete specs of my HDD cause I have sandra sis but when I look on the diag the is no info on the amount of cahe I have. so if anybody can reccomed any software,website,physcic,anything that would help me would be GREATLY appreciated