A-Tech 4GB (2 x 2GB) RAM for HP Compaq 4000 Pro & 6000 Pro - (Small Form Factor & Microtower) - DDR3 1066MHz PC3-8500 Non-ECC DIMM Memory Upgrade Kit at Amazon.com
TOSHIBA KTT1066D3/2G COMP MEM 2GB DDR3-1066MHZ 1.5V CL7 DR SODIMM - KTT1066D3/2G-AA
Integral IN3T2GNYNGI 2GB DDR3-1066MHz PC3-8500U Memory RAM
Smart Modular 2GB PC3-8500 DDR3-1066MHz ECC Unbuffered CL7 240-Pin Dua – Mega Micro Devices Inc.
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