Z240 Zc3.6 512g 16g Win7 10p
Z240S ZC3.6 512G 16G Win 10 Pro 64 DG Win 7 WS , Intel Xeon E3-1270v5 3.6 8M GT0 4C, 512GB SATA, 16GB DDR4-2133 ECC (2x8GB), DVD RW SM, NVD Qdro K1200 4GB, Win 10 Pro 64 DG Win 7, USB Optical Mouse U.S. - English localization