General Knoppix support for those who've read the FAQ at the Wiki
A-Tech 8GB DDR3 1600 PC3-12800 Laptop SODIMM 204-Pin Memory RAM PC3L DDR3L 1x 8G
$13.99
[ BULK LOT OF 10 ] 32GB 4Rx4 DDR3-1600 PC3-14900L LRDIMM ECC Server Memory RAM
$83.99
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$21.50
HyperX FURY DDR3 8GB 16GB 32GB 1600 MHz PC3-12800 Desktop RAM Memory DIMM 240pin
$14.50
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$13.50
HyperX FURY RAM DDR4 16GB 8GB 32GB 4GB 3200 2666 2400 2133 Desktop Memory DIMM
$9.64
32GB ECC DDR3 RAM 2x16GB PC3L-12800R Desktop/Server Memory
$11.99
Crucial 16GB (2x 8GB) Kit DDR3L 1600MHz PC3-12800 UDIMM Desktop 240-Pin CL11 RAM
$22.85
A-Tech 128GB 8x 16GB 2Rx4 PC4-19200R DDR4 2400 ECC REG RDIMM Server Memory RAM
$175.92
Samsung PC4-19200 PC4 2400T 32GB DDR4 RAM Server Memory
$79.99