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
$19.00
Team T-FORCE VULCAN Z 32GB (2 x 16GB) PC RAM DDR4 3200 (PC4 25600) Memory
$54.99
Crucial DDR3L 16GB 1600 2x 8GB PC3-12800 Laptop SODIMM Memory RAM PC3 16G DDR3
$22.45
HyperX FURY DDR3 8GB 16GB 32GB 1600 MHz PC3-12800 Desktop RAM Memory DIMM 240pin
$23.95
Samsung CN M471A1K43CB1-CRC 8GB 1Rx8 PC4-2400T-SA1-11 RAM Memory
$11.00
CORSAIR Vengeance RGB Pro 64GB (2x32GB) DDR4 SDRAM 3600MHz C18 Memory Kit -...
$103.00
HyperX FURY RAM DDR4 16GB 8GB 32GB 4GB 3200 2666 2400 2133 Desktop Memory DIMM
$9.64
LOT 4x 32GB (128GB) Samsung M386B4G70DM0-CMA3 PC3-14900L ECC DIMM Server Memory
$39.99
A-Tech 128GB 8x 16GB 2Rx4 PC4-19200R DDR4 2400 ECC REG RDIMM Server Memory RAM
$175.92