General Knoppix support for those who've read the FAQ at the Wiki
Micron 16GB DDR4-2400 SODIMM MTA16ATF2G64HZ-2G3E1 Laptop Memory RAM
$21.99
Micron 8GB DDR4 1Rx16 PC4-3200AA Laptop RAM Memory MTA4ATF1G64HZ-3G2E2
$10.00
A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G
$13.99
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$22.45
Crucial 8GB SO-DIMM PC3-12800 (DDR3-1600) Memory
$9.49
CORSAIR - VENGEANCE LPX 32GB (2x16GB) 3200MHz DDR4 C16 DIMM Desktop Memory
$59.99
Samsung 16GB 2Rx4 PC4-2400 RDIMM DDR4-19200 ECC REG Registered Server Memory RAM
$20.99
64GB (4X16GB) DDR3 1866 DIMM Apple Mac Pro Late 2013 A1481 MacPro 6,1 Memory Ram
$37.40
128GB (4 X 32GB) DDR3 1333 Apple Mac Pro Late 2013 A1481 MacPro 6,1 Memory Ram
$104.28
Samsung 32GB 2Rx4 PC4-2133 RDIMM DDR4-17000 ECC REG Registered Server Memory RAM
$34.99