Hitachi/LG GH22NS40 22x DVD&plusmn;RW DL SATA Drive w/Software (Black) Hitachi/LG GH22NS40 22x DVD RW DL SATA Drive General Features: Black bezel SATA interface 2 MB buffer Average Access Time: CD-ROM: 125 ms (typical), DVD-ROM: 145 ms (typical), DVD-RAM: 270 ms (typical) Automatic buffer underrun error prevention technology SecurDisc technology Mounting direction: horizontal or vertical