https://news.post76.hk/2011/08/%e7%be%8e%e5%9c%8bsony-ps3%e9%99%8d%e5%83%b9-160gb%e5%8f%aa%e9%9c%802000%e6%b8%af%e5%85%83%ef%bc%8c320gb%e5%8f%aa%e9%9c%802400%e6%b8%af%e5%85%83/