Lenovo-V520-TWR-Intel-Core-i7-7700-4GB-DDR4-1TB-7200RPM-DOS-10NK001MAX Lenovo V520 TWR Intel Core i7-7700 4GB DDR4 1TB 7200RPM DOS-10NK001MAX Lenovo V520 TWR Intel Core i7-7700 4GB DDR4 1TB 7200RPM DOS-10NK001MAX