2GB DDR2 800MHz RAM Memory Upgrade for Samsung N110, N120, N130, N140, N145, N150 N Series Netbook (PARTS-QUICK) - Walmart.com
Samsung NP-N150-JPB1US Repair - iFixit
Memory RAM Upgrade for Samsung Netbook NP-N150 Plus - 2GB DDR2 SODIMM | eBay
Samsung N150 Plus 10.1-inch Netbook, Intel Atom N450 1.66GHz, 1 GB RAM, 160 GB HDD, Bluetooth 3.0, Webcam, Windows 7 Starter, Up to 10hrs battery life, Blue : Amazon.co.uk: Computers & Accessories