LG Electronics GSA-H55NK 20X Super Multi SecurDisc DVD+/-RW Internal Drive (Black), Bulk w/ Software
Specifications:

Mfr Part Number: GSA-H55NK BLACK/BULK/WITH SW
Drive Type: Internal DVD+/-RW Dual Layer Drive w/ SecurDisc technology
Data Transfer Rate:
Write:
DVD+R/-R: 20X
DVD+RW/-RW: 8X/6X
DVD+R/-R DL: 10X
DVD-RAM: 12X
CD-R: 48X
CD-RW: 32X
Read:
DVD-ROM: 16X
CD-ROM: 48X
Interface: ATAPI / E-IDE
Buffer Memory: 2 MB
Random Access Time: DVD - 140ms; CD - 120ms
Color: Black
Includes Software
Dimension (WxDxH): 146 x 165 x 41.3 mm
Package: Bulk