Single layer blu-ray burner, SATA interface, cheapest so far, just that the media alone costs almost as much as a blu-ray movie.
Specs:
Platform: PC
Type of Drive: BD-RE Drive
Internal/External: Internal
Interface: SATA
CD-ROM Read Speed: 32 X
CD-R Write Speed: 32 X
CD-RW Rewrite Speed: 24 X
DVD-ROM Read Speed: 12 X
DVD+R Write Speed: 12 X
DVD+R (DL) Write Speed: 4 X
DVD-R Write Speed: 12 X
DVD+RW Write Speed: 8 X
DVD-RW Write Speed: 6 X
Load Type: Tray
System Requirements: Pentium 4 2.0GHz or faster CPU and 512MB or higher RAM are required
For High Definition BD Playback & Authoring: ( Only Windows XP SP2 ) Pentium D 3.4GHz or faster CPU and 1GB or higher RAM are required
HDCP capable graphics card with 256MB RAM, PCI Express x16, 1920x1200 resolution, 32bit color GPU : nVidia GeForce 6600GT / 7600GT / 7800GTX512 / 7900GX2 / 7900GTX / 7950GX2 and ATI X1600 / X1800 / X1900 series are recommended
60GB HDD available capacity
HDCP capable Monitor or TV for High Definition digital output