• We dont sell Generic Modules to avoid incompatibility
• This Modules are manufactured by Computer Memory Solutions
• 2pcs. 2GB PC2-4200 DDR2-533 CL4 16c 64x8 240p SDRAM DIMM OR PC5300
• Compatible with Dell Dimension 9100
• Max memory: 8GB
• Sockets: 4
• Guaranteed to work in your computer or you get your money back