Get samsung 840 pro 128gb, around RM450, best ssd with speed and reliability from all the reviews i read. My brother bought some corsair ssd from lowyat 128mb also RM400 already but not as good.

lowyat forum only got one seller for samsung 840 pro, but he seems like mia for quite a while d, check out his thread
https://forum.lowyat.net/index.php?showtopic=2645620&hl=