Feature : Panasonic UJ-240, 12.7mm tray-type BD Writer which is the next generation of storage, backup, and media. It also supports all reading and writing functions of CD-R/RW, DVD+R/RW, DVD-R/RW, 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 storageMobility: Slim and Compact ,USB Compatibility usb2.0/1.1 Material: ABS housing USB 2.0 interface: usb 2.0high speed Reliable and compatibility among computers. Plug & Play (yes): Immediate using while device is connecting to computer. Hot Swappable:Device can be plugged and unplugged anytime without rebooting. Fashionable Design: Beam blast with anodized finished Dimension:138*135*17mm System Requirements: Windows ME/2000/XP/VISTA/WIN7 and Mac 8.6and above Regulations:CE/FCC/ROHS Write speed: CD-R :Max.24X Zone CLV CD-RW :4X CLV High Speed CD-RW :10XCLV Ultra Speed CD-RW :Not Support DVD-R :Max.8X CAV DVD-R DL :Max.4X Zone CLV DVD-RW :Max.6X Zone CLV DVD+R :Max.8X CAV DVD+R DL :Max.4X Zone CLV DVD+RW :Max.8X Zone CLV DVD-RAM :3X-5X PCAV ( 4.7GB) BD-R :6X CAV ( SL), 4XPCAV (DL) BD-RE :2X CLV ( SL), 2XCLV (DL) Read speed: BD-ROM :1.6x CLV(for Video) / Max 6X CAV(for Data) DVD-ROM :Max 8X CAV CD-ROM :Max 24X CAV