I have come to conclusion that it will be Western Digital but im confused between these two. Can anyone tell me the difference between WD Blue and WD Scorpio Blue
http/www.flipkart.com/wd-scorpio-blue-500-gb-laptop-internal-hard-drive-wd5000lpvt/p/itmdhvgzafmxbzk2
http/www.flipkart.com/wd-blue-500-gb-laptop-internal-hard-drive-wd5000bpvt-wd5000lpvx/p/itmd5kd6kav9wdse
http/www.flipkart.com/wd-scorpio-blue-500-gb-laptop-internal-hard-drive-wd5000lpvt/p/itmdhvgzafmxbzk2
http/www.flipkart.com/wd-blue-500-gb-laptop-internal-hard-drive-wd5000bpvt-wd5000lpvx/p/itmd5kd6kav9wdse