How much RAM does the HP Pavilion a6421.uk support?

The Pavilion a6421.uk supports up to 8GB of memory across 4 slot(s), up to 2GB per slot.

What type of memory does the Pavilion a6421.uk use?

It uses DDR2 DIMM memory modules.

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System specifications for HP Pavilion a6421.uk

Specifications reported for the HP Pavilion a6421.uk.

Memory type: DDR2
Form factor: DIMM
Memory slots: 4
Maximum memory: 8GB
Max per slot: 2GB
Rated speed: 800 MT/s
ECC: none

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your HP Pavilion a6421.uk, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

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Your system

HP Pavilion a6421.ukMemory Upgrades

Change system Auto-detect

7 guaranteed-fit options

This option is out of stock.

System specifications for HP Pavilion a6421.uk

Specifications reported for the HP Pavilion a6421.uk.

Memory type: DDR2
Form factor: DIMM
Memory slots: 4
Maximum memory: 8GB
Max per slot: 2GB
Rated speed: 800 MT/s
ECC: none

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

HP Pavilion a6421.ukMemory Upgrades

Choose your upgrade

System specifications for HP Pavilion a6421.uk

Software

HP Pavilion a6421.ukMemory Upgrades

Choose your upgrade

System specifications for HP Pavilion a6421.uk

Software