Full Details on Amazon.com : http://www.amazon.com/gp/product/B000KER6IU?tag=tsukuyomi-20

1GB kit (512MBx2) Upgrade for a Dell Dimension 3000 System (DDR PC2700 NON-ECC CL=2.5)

184-pin DIMM
DDR333
DDR PC2700 CL25 Unbuffered NON-ECC DDR333 25V 64Meg x 64
The only brand of memory upgrade available directly from a DRAM manufacturer tested to meet the most stringent industry specifications
Install it yourself in about 15 minutes The same top-quality memory that the worlds largest computer manufacturers install in the systems they sell