Acer AS5738DG-6165 comes with these spec: Operating System Genuine Windows(R) 7 Home Premium Processor & Chipset Intel(R) Centrino(R) 2 processor technology, featuring: Intel(R) Core™2 Duo processor with up to 3 MB L2 cache supporting Intel(R) 64 architecture, or Mobile Intel(R) PM45 Express Chipset Intel(R) Wireless WiFi Link

Acer Aspire Timeline AS5810TZ-4433 comes with these spec: Operating System Genuine Windows(R) 7 Home Premium Processor & Chipset Intel(R) Centrino(R) 2 processor technology, featuring: Intel(R) Core™2 Duo processor SU9400 or SU7300 (3 MB L2 cache, 1.40/1.30 GHz, 800 MHz FSB, 10 W), supporting Intel(R) 64 architecture orIntel(R)

Acer AS5740-5144 comes with these spec: Operating System Genuine Windows(R) 7 Home Premium Processor & Chipset Intel(R) Core i5-520M processor (3 MB L3 cache, 2.40 GHz, up to 2.93 GHz, DDR3 1066 MHz, 35 W), supporting Intel(R) 64 architecture, Intel(R) Smart Cache, Intel(R) Turbo Boost Technology Mobile

Acer Aspire AS5740 15.6-Inch comes with these spec: Operating System Genuine Windows® 7 Home Premium Processor & Chipset Intel(R) Core i5-520M processor (3 MB L3 cache, 2.40 GHz, up to 2.93 GHz, DDR3 1066 MHz, 35 W),supporting Intel(R) 64 architecture, Intel(R) Smart Cache, Intel(R) Turbo Boost Technology

Acer AS5738Z-4111 comes with these specs: Operating System : Genuine Windows® 7 Home Premium Processor & Chipset : Intel® Centrino® 2 processor technology, featuring Intel® Core™2 Duo processor with up to 2 MB L2 Cache, supporting Intel® 64 architecture or Intel® Core™2 Duo processor with up to