Used - Good: ThinkPad Laptop T Series Intel Core i5 2nd Gen 2520M (2.50GHz) 4GB Memory 500GB HDD NVIDIA NVS 4200M + Intel HD Graphics 3000 15.6" Windows 7 Professional 64-bit T520 (
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Original for LENOVO Thinkpad T520 Laptop motherboard QM67 LKN-3 H0220-3 48.4KE34.031 tested good free shipping - AliExpress
Lenovo T520 15.6 inch Intel Quad Core i5-2320M 8GB Ram 500GB Hard Driv