CMS 4GB (2X2GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with Intel® Dq57Tml, D157Tm, Dx58So, Wx58Bp Ecc Unbuff for Server Only - B64 at Amazon.com
CMS 4GB (2X2GB) DDR3 10600 1333MHZ NON ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Compaq 8100 Elite Small Form Factor Business Pc - A79 System Specific Memory - Newegg.com
WD950D - Super Talent 4GB Kit (2X2GB) DDR3-1333MHz PC3-10600 Non-ECC Unbuffered CL9 204-Pin SODIMM 1.35V Single Rank Memory
Apple OEM Various Brands 4GB (2x2GB) DDR3 1333 MHz PC3-10600 Sodimm RA - Part Haven