You are buying a brand new, DVD-RW SATA drive from LG. Part number GH24NSCOB. These are SATA drives with M-Disc support.  Specs below.

• Max. 24X DVD+/-R Write Speed
  
  Super-Multi: CD-R/RW/DVD-R/-R DL/-RW/+R/+R DL/+RW/RAM Read and Write Compatible, CD Family and DVD-ROM Read Compatible
  
  M-DISC Support
  
  0.5MB Buffer Memory

• Black bezel
• SATA interface
• 24x maximum write speed (DVD±R)
• 8x maximum rewrite speed (DVD+RW)
• 6x maximum write speeds (DVD-RW)
• 8x maximum write speed (DVD±R DL)
• 5x maximum write speed (DVD-RAM)
• 16x maximum read speed (DVD)
• 48x maximum write speed (CD-R)
• 24x maximum rewrite speed (CD-RW)
• 48x maximum read speed (CD)
• 0.5MB buffer memory
• 145 ms average seek time (DVD)
• 125 ms average seek time (CD)
• M-DISC support for superior reliability in data storage
• Emergency Eject hole
• LED Indicator
• Stop/Eject Button 
• Supported Formats:
• DVD±R
• DVD±R DL
• DVD±RW
• DVD-RAM
• DVD-ROM
• CD-R
• CD-RW
• CD-ROM 
• Power Specifications:
• 5V/12V, 2.0A/2.5A