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  Maximum Memory   4GB
  Memory Slots   4 Sockets
  Base Memory   512MB (Removable)

Memory Details About Your System

Your Dell Dimension E521N only supports modules made with a specific type of chip. Should you find what seems to be the exact same memory elsewhere for a lower price, it is very possible that the cheaper memory will not work in your computer. By ordering under your model from Arch Memory, your selected memory modules are Guaranteed To Work or your money back!

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1 GB Dell Dimension E521N RAM Memory Upgrade

1GB RAM Memory for Dell Dimension E521N

1 GB 240 Pin 800Mhz PC-6400


2 GB Kit (2 x 1 GB) Dell Dimension E521N RAM Memory Upgrade

2GB RAM Memory Kit (2 x 1 GB) for Dell Dimension E521N

2 GB 240 Pin 800Mhz PC-6400 (2 x 1 GB)



Made from the highest quality components, Arch Memory parts are designed to increase productivity and help your computer work faster. Arch Memory products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Backed by free technical support, a lifetime warranty and legendary reliability, Arch Memory RAM is your best choice for upgrading your computer's memory.