HP HDD 500 GB 7，2K， 507610-B21<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>507610-B21</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Myhp1fcpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Myhp1fcpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519oVYk4gmL.jpg" noproxy>