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 sameYou MUST use Bluray player software to playback Bluray disc, which is NOT included and not pre-installed in WindowsFree Bluray player software like VLC, free DVD burning software like Freemake, can be download from InternetPacking List (bulk pack):1 x Internal Blu-ray comboFeatures:It burns DVD/ CD, reads Bluray/ DVD/ CDLet you write to DVD and CD, include dual-layer discPlayback Blu-ray, DVD, CD movies in one single driveCompatible with all ATX PC caseSupport read: CD-R, CD-RW, CD+G, DVDR, DVDRW, DVD-RAM, DVDR DL, DVD-ROM, BD, BD-R, BD-RW, BD-R DLSupport burn: CD-R, CD-RW, DVD-R, DVDRW, DVD+R, DVD-RAM, DVDR DLSpecifications:Interface: SATARead 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)