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The best memory upgrades for your Hewlett Packard Pavilion Desktop A64 Series a6420a 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 A64 Series a6420a Desktop. We guarantee this memory will work in your machine for the life of your machine. Your Hewlett Packard Pavilion Desktop A64 Series a6420a supports up to 4096 MB in two slots and modules must be installed one at a time.

Install in matched pairs to utilize Dual Channel mode. Mixing module speeds will default to the lowest speed. 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   DIMM
2GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 22661 3297659 22661 2GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 2GB1 £28.57 £34.28 Buy
1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 22660 3297660 22660 1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 1GB1 £14.00 £16.80 Buy
1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI N/A 3297663 N/A 1GB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 1GB1 £15.71 £18.85 Buy
512MB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 22659 3297661 22659 512MB 240PIN 800MHZ 64BIT NP DDR-2 DIMM 240pin DDRI 512MB1 £10.26 £12.31 Buy

More information about this machine

Detailed machine info

Install in matched pairs to utilize Dual Channel mode. Mixing module speeds will default to the lowest speed.

Is base memory removeable?y
Number of memory slots2
Number of memory banks2
Number of modules per bank1
Maximum installable memory4096

Original Memory Configuration

more about your Hewlett Packard Pavilion Desktop A64 Series a6420a machine
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