"..The Philips PCRW804K ReWritable Drive. The internal 804K utilizes an IDE/ATAPI interface and CD-ROMS at 32X, writes at 8X rate,rewrites at a 4X rate and has 4 MB buffer.
The Philips PCVD104R and PCVD104K DVD-ROM Drives (10X/40X DVD drives). The 104K drive features a DVD-ROM drive and MPEG2 board with REALMagic technology. Suggested street price for the PCVD104K DVD-ROM Drive with a REALMagic MPEG2 board is $249. PCVD104R uses a MPEG2 software decoder instead of an additional board. Estimated street price for the PCVD104R DVD-ROM Drive with software MPEG-2 decoding is $149.."