Full Details on Amazon.com : http://www.amazon.com/gp/product/B0032YW842?tag=tsukuyomi-20

1GB [2x512MB] PC800 Non ECC RDRAM RAMBUS RAM Memory Upgrade for the Dell Dimension 8100 8200

Guaranteed Compatible for the Dell Dimension 8200 and 8100 Systems
Speed up your system with up to 20GB of Memory
Lifetime Replacement Warranty
Will ship the same day when ordered at or before 4pm EST All others ship next day
Fully-staffed call center to help with installation or inquiries Call 866-335-1355 with questions or for help