Lenovo G570 Essential, 2300 Mhz, Intel Core I5, I5-2410m, 5 Gt/s, 3 Mb, Intel Hm65 Express

Lenovo B560 Essential, 2530 Mhz, Intel Core I3, I3-380m, 2.5 Gt/s, 3 Mb, 4096 Mb

Lenovo E520 Thinkpad, 1500 Mhz, Intel Celeron, B800, 5 Gt/s, 3 Mb, Pga988