Connectivity: DVD+/-RW/CD-RW (up to 8.5GB); 8X DVD and 24X CD speeds; M-Disc compatibleFast Disc Reading Writing Speed: Save time with the double burning speed of the dual-layer recording capability. Fast disc writing, erasing, and rewriting with speeds up to 8X DVDs and 24X CDSleek Design: With an ultra-space saving height of only 9.5 mm, the drive provides a refined low-profile designHardware compatibility: Microsoft® Windows® XP SP3/Vista/7/8; Mac OS 10.5.4 or higherMinimum dimensions (W x D x H): 144 x 137.5 x 14 mmwarranty: 1years warranty 

Brand: HPModel: HP 9mm G3 SFF G4 400 MT DVD WriterWarranty: 1 Year

Brand: HPItem Weight: 739 gPackage Dimensions: 24.2 x 19.4 x 10 cmItem model number: QK555AHard Drive Size: 1TB

Brand: HPItem Weight: 739 gPackage Dimensions: 24.2 x 19.4 x 10 cmItem model number: QK555AHard Drive Size: 1 TB