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
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
$15.90
A-Tech 8GB PC3-12800 Desktop DDR3 1600 MHz Non ECC 240-Pin DIMM Memory RAM 1x 8G
$13.99
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$44.85
32GB ECC DDR3 RAM 2x16GB PC3L-12800R Desktop/Server Memory
$11.99
Pair Kingston HyperX FURY 16GB (2X8GB) PC3-14900 DDR3-1866Mhz Non-ECC Memory
$18.95
Crucial CT32G4DFD832A RAM 32GB DDR4 3200 MHz CL22 Desktop Memory, 1 STICK
$41.99
Lot of 50 DDR4 8GB PC4-2666V Laptop Memory RAM Mixed Major Brands
$474.99
A-Tech 128GB 8x 16GB 2Rx4 PC4-19200R DDR4 2400 ECC REG RDIMM Server Memory RAM
$175.92