ASUS Black 18X DVD-ROM 48X CD-ROM SATA DVD-ROM Drive Model DVD-E818AAT (DVD-E818AAT/BLK/B/GE) DVD-ROM Access Time: 120ms CD-ROM Access Time: 120ms DVD-ROM: 18X CD-ROM: 48X Load Type: Tray Operating Systems Supported: Windows 8 Windows 7 Windows Vista Windows XP System Requirements: CPU: Intel Pentium 300 MHz or higher RAM: 128 MB or more is recommended HDD: 10 GB or more Dimensions (H x W x D): 1.61 x 5.75 x 6.69