4GB DDR3-1333 SODIMM FOR LENOVO # 55Y3711Axiom Memory Axiom 4GB DDR3 1333 SODIMM for Lenovo 55Y3711, 55Y3717, 64Y6652 For Notebook, Desktop PC 4 GB DDR3 1333 PC3 10660 DDR3 SDRAM 1333 MHz 204 pin SoDIMM Lifetime Warranty VPN: 55Y3711 AX SKU: RSC796430 UPC: 845282030617 SoDIMM 4 GB of memory makes a perfect symmetry with your latest model processor and boosts up your computer's performance 1333 MHz speed to execute routine softwares at a steady pace DDR3 SDRAM interface multiplexes 2 bit data