Guaranteed compatible upgrades for:

HP/Compaq Pavilion dv4000 Series Notebook dv4226EA

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System Specifications

Maximum Memory:

2GB

Expansion:

2 Sockets

Standard Memory:

512MB (Removable) or
1GB (Removable)

Bus Architecture:

USB 2.0/3.x Type-A

Upgrade Path:

Configurations up to 2GB can be reached using 1GB modules.