CD-ROM: 140ms typ DVD-RAM: 260ms typ DVD-ROM: 160ms typ CD-ROM : 3.6 MB/s (24x) max. DVD-ROM: 11.08 MB/s (8x) max. Power2Go PowerBackup YouCam LabelPrint Norton internet Security (60 days) CPU: Intel Pentium 2.4GHz or Higher HDD: 20GB or more of available space RAM: 1GB or Higher Recommended: Intel Pentium 3.2GHz or Higher Video Memory: 64 MB or higher (128 MB recommended) SEMKO: EN 60950-1 / EN60825-1 Laser Safety: Class 1 laser product comply with DHHS rules 21 CFR Subchapter J Class 1 laser product to EN60825-1 / IEC 60825-1 UL 60950-1 first Edition CE Marking C-Tick Mark Korean EMC(KC) Taiwan EMC (BSMI) VCCI