Panasonic UJ-120, 12.7mm tray-type BD-ROM Combo Drive, UJ-120 not just BD-ROM read-only. It also supports all formats and burning functions of CD/DVD/DVD-RAM. The Blu-ray disc format offers 5 to 10 times more storage than DVD, meaning 25 to 50 GB of data can be stored on a single Blu-ray disc. Blu-ray drives will lead the way for next generation data and high definition movie storage.

 Read speed  
 DVD-ROM :Max 8X CAV
 BD-ROM :Max 2X CLV  
 CD-ROM :Max 24X CAV  
  Maximum Write speed  
 CD-R :8X CLV  
 CD-RW :4X CLV  
 High Speed CD-RW :8XCLV  
 Ultra Speed CD-RW :No Support  
 DVD-R :Max.8X Zone CLV  
 DVD-R DL :2X CLV  
 DVD-RW :Max.4X Zone CLV  
 DVD+R :Max.8X Zone CLV  
 DVD+R DL :2.4X CLV  
 DVD+RW :Max.4X Zone CLV  
 DVD-RAM :3X-5X ZCLV ( 4.7GB)
  Support Buffer Underrun Free Recording (SmoothLinkTM)