Genuine Dell/Hitachi Inspiron 1420, 1501, 1520, 1521, 1720, 1721, Dell Latitude 131L, ATG D630, D420, D520, D531, D620, D630, D630c, D631, D830, Dell Precision M4300, M6300, M90, Dell Vostro 1000, 1400, 1500, 1700 Notebook Laptop IDE 8x DVD-RW DVD+RW DVD&plusmn;RW Internal Slim Burner Optical Drive Compatible Part Numbers: GSA-T21N, XN074 Genuine Dell IDE DVD-RW Slim Burner Optical Drive Manufacturer: Hitachi LG Data | Drive Type: Tray Load | Interface: IDE | Size: Slim Comes with a Slot Load SATA DVDRW Drive. This drive will burn and read DVDs and CDs. Supported Media Types: CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RW, DVD+RW Compatible Part Numbers: GSA-T21N, XN074 Compatible Systems: Inspiron 1420, 1501, 1520, 1521, 1720, 1721, Latitude 131L, ATG D630, D420, D520, D531, D620, D630, D630c, D631, D830, Precision M4300, M6300, M90, Vostro 1000, 1400, 1500, 1700 Read/Write Speeds: 8x maximum write speed (DVDR), 6x maximum write speed (DVD+R DL, Double Layer), 6x maximum write speed (DVD-DL, Dual Layer) , 8x maximum rewrite speed (DVD+RW), 6x maximum write speed (DVD-RW) , 24x maximum read speed (DVD) , 24x maximum write speed (CD-R) , 24x maximum rewrite speed (CD-RW) , 24x maximum read speed (CD)