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
$22.45
Team T-FORCE VULCAN Z 32GB (2 x 16GB) PC RAM DDR4 3200 (PC4 25600) Memory
$54.99
HyperX FURY DDR3 8GB 16GB 32GB 1600 MHz PC3-12800 Desktop RAM Memory DIMM 240pin
$23.95
CORSAIR Vengeance RGB 32GB PC5-48000 (DDR5-6000) RAM Memory (CMH32GX5M2E6000C36)
$96.00
Samsung 16GB (4x4GB) 1Rx8 PC3-12800U 1600Mhz DDR3 RAM Memory M378B5273DH0-CK0
$14.00
A-Tech 8GB PC3-12800 Desktop DDR3 1600 MHz Non ECC 240-Pin DIMM Memory RAM 1x 8G
$13.99
Corsair Vengeance LPX DDR4 Lot of 2 16GB Ram Sticks Memory 3200MHz
$29.97
[ BULK LOT OF 18] 32GB 2Rx4 PC4-2666v DDR4 RDIMM ECC Server Memory RAM
$630.00
Samsung 64GB DDR4 2666MHz PC4-21300 ECC SDRAM Server Memory RAM DIMM 288PIN
$35.71