• Interface: ATAPI (ATA/ATAPI-5) 
• Formats supported: CD-DA, CD-ROM (Mode 1,2) CD-ROM XA Mode 2 Photo CD, Vide CD, CD-I,CD-EXTRA CD-TEXT, CD-RW,CD+G,UDF 
• Write speeds: 
• CD-R: 1X, 4X, 8X, 16X CLV; 16X/20XZ-CLV 
• CD-RW: 4X, 10X CLV 
• Write methods : Disc at once, Track at once, session at once, Packet Write, Multi-sesssion, Fixed and Variable Packet Writing 
• Read speeds: 
• DVD-ROM 12X CLV 
• CD-ROM 40X CLV 
• Data rate: 
• DVD: 6.75~16.2 MB/sec.(Singl-layer) 
• DVD: 4.05~10.8 MB/sec(Dual-layer) 
• CD: 2.6~6.0 MB/sec 
• Access time: 
• 100ms Average CD Random Access 
• 150ms Average DVD Random Access 
• Data buffer size: 2MBytes 
• Weight: 1 kg 

Nero CD-Speed

• Vendor : PLEXTOR 
• Product : CD-R PX-320A 
• Firmware version : 1.01 
• Buffer size : 2048 KB 
• Maximum read speed : 7056 KB/sec (40 X) 
• CDDA accurate : yes 
• Read R-W : yes 
• R-W packed : yes 
• C2 pointers : no 
• Speed settings : 4-8 X 
• Read RAW mode : yes 

Nero InfoTool
 

The Plextor's drive is supplied with a utility which gives complete information on the drive and allows adjusting some parameters of operation.