64GB (4x16GB) DDR3-1866MHz PC3-14900 ECC RDIMM 2Rx4 1.5V Registered Server Memory by NEMIX RAM at Amazon.com
OWC 32GB (4 x 8GB) PC14900 DDR3 1866MHz SO-DIMMs Memory Compatible with 2015 (Late) iMac 27" w/Retina 5K Models and Compatible PCs (OWC1867DDR3S32S) at Amazon.com
A-Tech 8GB Module for HP Star Wars Special Edition 15t-an000 CTO Laptop & Notebook Compatible DDR3/DDR3L PC3-14900 1866Mhz Memory Ram (ATMS377744B30845X1) at Amazon.com
16GB (1x16GB) DDR3-1866MHz PC3-14900 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Amazon.com: OWC 32GB (2X 16GB) 1866MHz PC3-14900 DDR3 ECC-R SDRAM Memory Upgrade Kit, ECC Registered Compatible with Mac Pro 2013 (OWC1866D3R9M32) : Everything Else
MemoryMasters 8GB Memory for Cisco UCS 5100 Series 5108 Server Chassis DDR3 PC3-14900 1866 MHz ECC Registered DIMM RAM at Amazon.com
Amazon.com: OWC 8.0GB PC3-14900 DDR3 ECC 1866MHz 240 Pin Memory Upgrade Module Compatible with Mac Pro Late 2013 (OWC1866D3ECC08G) : Everything Else