General Knoppix support for those who've read the FAQ at the Wiki
Team T-FORCE VULCAN Z 16GB (2 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Intel
$33.99
A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G
$13.99
HyperX FURY DDR3 8GB 16GB 32GB 1600 MHz PC3-12800 Desktop RAM Memory DIMM 240pin
$15.90
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$21.50
Team T-FORCE VULCAN Z 16GB (2 x 8GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) XMP
$34.99
Team T-FORCE VULCAN Z 32GB (2 x 16GB) PC RAM DDR4 3200 (PC4 25600) Memory
$54.99
A-Tech 8GB PC3-12800 Desktop DDR3 1600 MHz Non ECC 240-Pin DIMM Memory RAM 1x 8G
$13.99
Samsung 16GB (4x4GB) 1Rx8 PC3-12800U 1600Mhz DDR3 RAM Memory M378B5273DH0-CK0
$14.00
Lot of 50 DDR4 8GB PC4-2666V Laptop Memory RAM Mixed Major Brands
$474.99
Lot of 100 - 4GB PC3 DDR3 Mixed Speeds Laptop RAM Mix Brand TESTED
$149.99