4GB (1X4GB Memory RAM 4 HP/Compaq ProBook 4411s, 4420s, 4421s, 4430s, 4431s (DDR3-1333MHz 204-pin SODIMM)
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<b>[Product Information]</b><br>
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<li>When you purchase RAM from 4AllDeals, it comes with a lifetime warranty, as well as lifetime telephone technical support from our US-based technicians. PLEASE NOTE If you do not purchase this module from 4AllDeals direct, you do not get the lifetime warranty or tech support offered in this ad.</li>
<li>204 pin module</li>
<li>RAM Memory will speed up your computer!</li>
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