€59.99 Kingston Memoria RAM, 1333 MHz, DDR3, Non-ECC CL9 SODIMM, 204-pin, 1.5 V, 2 GB : Amazon.it 
Hynix 4GB DDR3 1333Mhz 1333 4 GB PC3-10600S 204pin SODIMM RAM Laptop Memory CL9 | eBay
Transcend JM1333KSN-4G, 4 GB DDR3, 1333 Mhz, SO-DIMM, 2Rx8 1.5 V | Fruugo IT
