SATA CD ROM DVD RW Drive Writer Burner For Lenovo ThinkPad T420 T430 T510 T520 T530 W510 W520 W701：http://www.highding.com/414-sata-cd-rom-dvd-rw-drive-writer-burner-for-lenovo-thinkpad-t420-t430-t510-t520-t530-w510-w520-w701.html

Features:

The DVD±RW Drive brings all the advantages of a CD-RW, a DVD±RW, a DVD-ROM, and a CD-ROM to a single drive. It offers up to 16X DVD read speeds ，and it's easy to installation. This product has been tested and validated on your laptop.

Product Specifications:

• Access time: DVD: 180 ms CD: 150 ms
• Mechanism Motorized: tray load mechanism for horizontal and vertical use
• Interface: SATA
• Burst transfer rate: 150 MByte/s
• Cache: 1 MByte
• Media supported: DVD-ROM, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, DVD+R, DVD+RW, DVD+R9, CD-ROM, CD-R, CD-RW
• Modes supported: DVD-Video, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I Ready, CD-Bridge, PhotoCD, Video CD, Hybrid CD
• Compatibility: MultiRead, PC2001, Microsoft® Vista, Windows 7,Windows 8
• Weight: 170g
• Dimensions: 128 mm(W) x 12.7 mm(H) x 129 mm(D)

Read Speed:

• DVD: 8x max. 
• CD: 24x max.

Write Speed:

• DVD-R: 8x max. DVD+R: 8x max.
• DVD-RW: 6x max. DVD+RW: 8x max.
• DVD-R DL: 6x max. DVD+R9: 6x max.
• DVD-RAM: 5x max.
• CD-R: 24x max. CD-RW: 24x max.

Special Features:

Dust protected enclosure, buffer under run error prevention, 12 cm and 8 cm CD and DVD media are supported

more:http://www.highding.com/16-laptop-internal-cd-dvd-drives