1GB DDR2-533 (PC2-4200) Memory RAM Upgrade for the Compaq Presario SR Series Systems SR1522X， SR2020NX， SR2023NX， SR2050NX， SR2150NX， SR2163WM， SR2168HM， SR2170NX， SR2180NX， SR5010NX， SR5030NX<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>LOW POWER CONSUMPTION</li><li>LIFETIME WARRANTY</li><li>FREE SHIPPING</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wQlgI7dDL.jpg" noproxy>