It is a used Original Hitachi-LG Slot-In SATA Multi Burner DVD±RW Driv DRIVE GS20N for macbook Pro, HP Laptop and other ultra-thin 9.5mm height laptop with SATA Connector

Tested before shipping , High speed, excellent quality.

GS20N the same as GS21N.

60 Day Warranty

Compatibility:

macbook Pro, HP Laptop and other ultra-thin 9.5mm height laptop with SATA Connector.

• Interface: SATA
• Model number: Hitachi-LG GS20N
• Function:
  Write speed:
  8X DVD±R
  4X DVD±RW
  4X DVD+R(DL)
  2X DVD-R(DL)
  24X CD-R
  16X CD-RW
• Read speed:
  24X CD-ROM
  8X DVD-ROM
  Seek Times: DVD-ROM/CD-ROM 140msec