40 Super Bright LED lights / Pivoting Light Head to Direct Light where needed / Quick Release button for mounting / Uses 6 AA Batteries (not included) Writing Speeds - BD-R (single or dual layer) 4x to 12x (limited to 8x with USB2.0) BD-RE (single or dual layer) 2x; BD-R LtH 6x; DVD+-R 16x; DVD+-RW 8x; DVD+-R DL 8x; DVD-RAM 5x; CD-R 40x; CD-RW 24x Reading Speeds - BD-ROM 6x to 8x; BD-R (single or dual layer) 8x; BD-RE 8x; BD-RE DL 6x; BD-R LtH 6x DVD+-RW 8x; DVD+-R DL 8x; DVD+-RAM 5x; CD-ROM 40x; CD-R 40x; CD-RW 24x Data Transfer Rate - BD - 1x = 4.5MB/s DVD - 1x = 1.38MB/s Bundled Software - Roxio Easy Media Creator 10; Toast 10 Titanium with HD/BD plug-in; PowerDVD BD (for HD playback with Windows) In the box - LaCie d2 Blu-ray Drive FireWire 400 cable FireWire 400 to 800 cable USB 2.0 cable External power supply LaCie DVD-ROM (Windows)/CD-ROM (Mac) with User Manual and software Quick Install Guide System Requirements - Mastering/Burning - Latest version of Windows XP SP2, Windows Vista, Windows 7/ Mac OS X 10.5, 10.6; Pentium 4 3.2GHz processor; Power PC G5 or higher / Mac Intel Dual Core processor; Minimum 512MB RAM (1GB recommended) HD Video Playback - Windows OS; GPU - NVIDIA GeForce 7600GT/7900GT, ATI X1600 with latest driver; Monitor - minimum 1280x1024 resolution; to play a protected BD movie in HD through a digital DVDI or HDMI interface - HDCP GPU + HDCP-ready display Unit Dimensions - 6.3 W x 1.7 H x 10.6 D, Weight - 3.31 lbs. Manufacturer"s 3-year limited warranty