2pcs of 4GB PC3-8500 1066MHz DDR3 Single Rank Non-ECC CL7 SO DIMM Guaranteed to work in your notebook of you get your money back Brand Computer Memory Solutions We don't use generic modules to avoid incompatibility MAX MEMORY 8GB SOCKETS 2 Compatible with: Dell Latitude E5520m Notebook

• 200PIN DDR3 SODIMM
• DDR3-PC8500
• DDR3-PC1066
• 2PCS KIT
• Computer Memory Solutions

200PIN DDR3 SODIMMComputer Memory Solutions