This desktop type SATA internal drive is a blu-ray player with DVD/ CD burning function. It has created for high density and secure computer and data storage including backup, high definition movies, photos... etc. Note: Model and SN is for reference only, they are vary to different stock, but specification is exactly same You MUST use Bluray player software to playback Bluray disc, which is NOT included and not pre-installed in Windows Free Bluray player software like VLC, free DVD burning software like Freemake, can be download from Internet Packing List (bulk pack): 1 x Internal Blu-ray combo Features: It burns DVD/ CD, reads Bluray/ DVD/ CD Let you write to DVD and CD, include dual-layer disc Playback Blu-ray, DVD, CD movies in one single drive Compatible with all ATX PC case Support read: CD-R, CD-RW, CD+G, DVDR, DVDRW, DVD-RAM, DVDR DL, DVD-ROM, BD, BD-R, BD-RW, BD-R DL Support burn: CD-R, CD-RW, DVD-R, DVDRW, DVD+R, DVD-RAM, DVDR DL Specifications: Interface: SATA Read speed: 24x (CD) / 8x (DVD)/ 6x (BD) Write speed: 24x (CD) / 8x (DVDR) Rewrite speed: 16x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 5x (DVD-RAM) Size: 170 x 145 x 40 mm (6.69 x 5.70 x 1.57 inch)