Original IBM Lenovo Keyboard 45N2141 45N2106 45N2071 45N2036 45N2211 45N2176 04W2753 0B35709 90 Days Warranty IBM Original Keyboard T400s T410s T410si T510 T510i W510 W520 X220 X220i 45N2141 45N2106 45N2071 45N2036 45N2211 45N2176 04W2753 0B35709