LG Electronics GH20NS 20X SATA DVD+/-RW Internal Drive (Black), Bulk w/ Software
Specifications:

Mfr Part Number: GH20NS
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: SATA
Buffer Memory: 2 MB
Random Access Time: DVD-RAM - 180ms; DVD - 140ms; CD - 120ms
Color: Black
With Software
Package: Bulk