Plextor Blu-ray Disc Drive Write Speed - 2x BD-R, BD-RE, BD-R DL, BD-RE DL, 8x DVD+R, 8x DVD+-RW, 6x DVD-RW, 5x DVD-RAM, 4x DVD+-R DL, 16x DVD-ROM, 24x CD-R, 16x CD-RW, 24x CD-ROM System Requirements - Pentium 4 1.6-GHz or equivalent (minimum), 512 MB RAM, Windows XPTM SP2, Windows 2000 SP4 Operating System for Data Writing, Video Editing, DVD Authoring, Intel Pentium D Dual Processor or equivalent 3GHz or higher, i945/i955 chipset, 1GB RAM for Play BD-MV with HD quality, NVIDIA 6600, 6800, 7800 VGA or higher, ATI Radeon X1800 (R520) or higher with COPP support Video Card, DVI with HDCP support or HDMI Output, Windows XPTM SP2, Windows 2000 SP4 Operating System, SXGA 1