Patriot PSD34G13332S Signature 4GB PC3-10600 DDR3 Notebook Memory for $29.99 shipped after this $10 rebate.  Here is a screenshot for your reference.  Alternatively, it is also available at Amazon for the same price after the same $10 rebate. The notebook memory features PC3-10600 (1333MHz) data rate and non-ECC unbuffered 204-Pin 2 rank double-sided in-line memory module..  [...]