Possibly more nimble than you ever envisioned.A combination of enormous speed, high precision and extreme comfort is possible. The AD-7191S, with it’s serial ATA (S-ATA) interface, is the best example. Just trust on their highly sophisticated technology and enjoy the amazing performance.Beside the outstanding speed the AD-7191S is able to record on DVD R media it has the capability to describe the label side of a LightScribe DVD or CD media.For more information about the disc inscribing function LightScribe please click here: //www.lightscribe.com/Product SpecificationRead Speed: DVD: 16x max. CD: 48x max. Write Speed: DVD-R: 20x max. DVD R: 20x max. DVD-RW: 6x max. DVD RW: 8x max. DVD-R DL: 8x max. DVD R9: 8x max. DVD-RAM: 12x max. CD-R: 48x max. CD-RW: 32x max. Burst transfer rate: PIO mode 4 / Ultra DMA 66 Access time (average): DVD: 160 ms CD: 140 ms Mechanism: Motorized tray load mechanism for horizontal and vertical use Interface: S-ATA Burst Transfer Rate: 150 MByte/s Cache Memory: 2 MByte Media supported: DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD R, DVD RW, DVD R9, CD-ROM, CD-R and CD-RW with 80mm and 120mm diameter, Lightscribe™ DVD and CD Modes supported: DVD-ROM, DVD-Video, CD-ROM, CD-ROM XA, CD-I Ready, CD-Bridge, PhotoCD, VideoCD, CD-DA, CD Extra, CD Text Writing methods : DAO, SAO, TAO with zero gap, variable or fixed packet, multisession Compatibility : MPC Level 3, MultiRead, PC2001 Weight: 0.6 kg Dimensions: 148 mm x 42 mm x 170 mm Special features: Lightscribe™, dust protected enclosure, buffer under run error prevention, available colours: beige, black, silver It is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.