CD/DVD Storage Capacity http://www.numsum.com/spreadsheet/show/43 Fri, 11 Mar 2005 13:06:12 GMT DVD disc stores up to 54GB which is enough to store 4 hours of HDTV, wow! Capacity SL DVD: 4.7GB<br/> CD: 650/700MB<br/> Sony Blu-ray DVD (SL/DL): 27/54GB<br/> DL DVD: 8.5GB<br/> Toshiba HD-DVD (SL/DL): 15GB Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 Format SL DVD: DVD+/-R, DVD+/-RW<br/> CD: CD-R/CD-RW<br/> Sony Blu-ray DVD (SL/DL): DVD-R<br/> DL DVD: DVD+/-R<br/> Toshiba HD-DVD (SL/DL): DVD-R Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 Laser color SL DVD: Red<br/> CD: Red<br/> Sony Blu-ray DVD (SL/DL): Blue<br/> DL DVD: Red<br/> Toshiba HD-DVD (SL/DL): Blue Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 Laser wavelength SL DVD: 650 nanometer<br/> CD: 780 nanometer<br/> Sony Blu-ray DVD (SL/DL): 405 nanometer<br/> DL DVD: 650 nanometer<br/> Toshiba HD-DVD (SL/DL): 405 nanometer Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 Cost per disc ($) SL DVD: 0.35<br/> CD: 0.2<br/> Sony Blu-ray DVD (SL/DL): ???<br/> DL DVD: 5<br/> Toshiba HD-DVD (SL/DL): ??? Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 Availability SL DVD: now<br/> CD: now<br/> Sony Blu-ray DVD (SL/DL): end of 2005<br/> DL DVD: now<br/> Toshiba HD-DVD (SL/DL): end of 2005 Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 SL = Single-layer Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43 DL = Dual-layer Fri, 11 Mar 2005 13:06:12 GMT http://www.numsum.com/spreadsheet/show/43