Samsung Original 16GB, (2 x 8GB) 240-pin DIMM, DDR3 PC3-12800, Desktop Memory Module at Amazon.com
DUOMEIQI 8GB Kit (4X 2GB) DIMM UDIMM PC2-6400U DDR2 800MHz PC2-6400 CL6 1.8v 240 PIN Desktop Memory RAM Module Fit for Intel AMD System Non-ECC Unbuffered at Amazon.com
OWC 2GB PC8500 DDR3 1066MHz SO-DIMM Memory Compatible with Late 2008, Early 2009, Early 2010 MacBook, MacBook Pro Unibody Models, Late 2009 MacBook, 2009/2010 Mac Mini, & 2009 iMac at Amazon.com