Lot Of Hynix PC2-5300F RAM (4x4GB - 16GB Total) | eBay
Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
Lot of 5 G.SKILL Ripjaws (4x4Gb) DDR3-2400MHz RAM Memory KIT (F3-2400C11Q-16GXM) | eBay
CMS 16GB (4X4GB) DDR3 10600 1333MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Dell® Poweredge R720 Ecc Reg for Server Only - B128 at Amazon.com
CMS 16GB (4X4GB) DDR2 5300 667MHZ ECC Fully BUFFERED DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Xw8400 Series for Server Only - B104 at Amazon.com
What are the downsides to using 16GB of RAM in a 4x4GB configuration?
Corsair CMK16GX4M4A2666C16 Vengeance LPX 16GB (4x4GB) DDR4 DRAM 2666MHz (PC4-21300) C16 Memory Kit - Black at Amazon.com
Cisco M-ASR1002X-16GB (4x4GB) 16GB DRAM RAM Memory Module