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The best memory upgrades for your Hewlett Packard Pavilion Desktop Series Other 421.ES Desktop!

We've spent years amassing all the information we need to make sure you get the right memory for your Hewlett Packard Pavilion Desktop Series Other 421.ES Desktop. We guarantee this memory will work in your machine for the life of your machine. Your Hewlett Packard Pavilion Desktop Series Other 421.ES supports up to 1 GB in two slots and modules must be installed one at a time.

	Code	OEM	Description	Capacity	Kit Of	Price	inc VAT
DIMM
	486817	259039-B21	512MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA	512MB	1	£23.47	£28.16	Buy
	486816	P1538A	256MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA	256MB	1	£21.86	£26.23	Buy
	486815	P1537A	128MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA	128MB	1	£7.27	£8.72	Buy

More information about this machine

Detailed machine info Is base memory removeable? y Number of memory slots 2 Number of memory banks 2 Number of modules per bank 1 Maximum installable memory 1

Original Memory Configuration

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