Write speed:
8X DVD+R, DVD-R
4X DVD+RW,4X DVD-RW
24X CD-R,16X CD-RW
4x DVD+D9(DL),DVD-D9(DL)
5x DVD-RAM

Read speed:
24X CD-ROM
8X DVD-ROM
Can read DVD-RAM disc.

IBM T40/60 Ultra Slim 8X DVD-RW(DL) Drive
IBM FRU: 39T2829

Compatible for:
ThinkPad T60 1951 All
ThinkPad T61 All
ThinkPad X60, X60s 1702, 1706, 2533 All
ThinkPad Z60t 2511, 2512, 2513, 2514 All
ThinkPad Z60m 2529, 2530, 2531, 2532 All
ThinkPad T40,T41,T42,T43,T60,T61 Series laptops
ThinkPad X40,X60,X61 Series laptops base