Full Details on Amazon.com : http://www.amazon.com/gp/product/B0049RPGEK?tag=tsukuyomi-20
2GB kit (1GBx2) Upgrade for a Dell Latitude D820 System (DDR2 PC2-5300 NON-ECC )
200-pin SODIMM
DDR2-667
DDR2 PC2-5300 Unbuffered NON-ECC DDR2-667 18V 128Meg 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