Lite-On SHM-165P6S Dual Layer DVD±RW Writer will play
16x/8x/16x DVD+RW, 16x/6x/16x DVD-RW, 8x DVD+R DL, 4x DVD-R DL, 48x/24x/48x CD-RW
To play High definition disks
You will need a HD DVD drive these use blue lasers (shorter wavelength)
You need to check which type of HD disk as there are two and they are not compatible.
HD DVD is currently in a "format war" with rival format Blu-ray Disc, to determine which of the two formats will become the leading carrier
But who'd really want to watch HDTV on a pc monitor or a non hdtv