4GB DDR3-1066 SODIMM FOR LENOVO # 51J0493Axiom Memory Axiom 4GB DDR3 1066 SODIMM for Lenovo 51J0493, 51J0494, 55Y3708, 55Y3714 For Notebook, Desktop PC 4 GB DDR3 1066 PC3 8500 DDR3 SDRAM 1066 MHz 204 pin SoDIMM Lifetime Warranty VPN: 51J0493 AX SKU: RSC764424 UPC: 845282056105 4 GB memory allows you to have more programs open at a time Up to 1066 MHz memory speed to manage your routine softwares with pace and accuracy DDR3 1066 PC3 8500 interface synchronizes electrical and clock signals for