You are buying Original Floppy disk drive FDD for IBM Thinkpad laptops. 1.44 MB. This floppy drive is compatible with these following IBM thinkpad laptops
IBM Thinkpad T20, T21, T22, T23, R30, R31, R32, R40, A20, A21, A22, A30, A31
Tested and fully working
If you have question, please ask before buying. Thank you