16GB DDR4 2400MHz PC4-19200 288 pin DESKTOP Memory Non ECC 2400 Low Density RAM – ASA College: Florida
4GB 2x 2GB DDR2 PC 4200 LOW DENSITY PC2-4200 533 MHz Desktop Memory RAM Non-ECC - Walmart.com
256MB PC100 144 pin SDRAM SODIMM 100MHZ Low Density Memory RAM for IBM Laptop Notebook (PARTS-QUICK Brand). Equivalent to IBM Part Numbers 33L3069, 33L3070, 16P6327 at Amazon.com