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The best memory upgrades for your Compaq Pavilion Desktop A Series A721 Desktop!

We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Pavilion Desktop A Series A721 Desktop. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Pavilion Desktop A Series A721 supports up to 512 MB in two slots and modules must be installed one at a time.

 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   DIMM
256MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA P1538A 1032623 P1538A 256MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA 256MB1 £21.86 £26.23 Buy
128MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA P1537A 1032622 P1537A 128MB 3V Long PC133 DIMM x64 7.5ns DIMM 168pin SDRA 128MB1 £7.27 £8.72 Buy

More information about this machine

Detailed machine info

Is base memory removeable?y
Number of memory slots2
Number of memory banks2
Number of modules per bank1
Maximum installable memory512

Original Memory Configuration

more about your Compaq Pavilion Desktop A Series A721 machine
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