Sony PCG-GRX670K - Manual (Page 231)

Upgrading Your Computer's Memory
Before you begin upgrading your computer's memory, make sure you read Precautions and procedures. Expansion memory
modules are available as options. For memory upgrades and information about which memory modules to use, see Typical
expansion memory configuration and your printed VAIO ® Computer Specifications.
 Precautions and procedures
 Typical expansion memory configuration
 Removing and installing memory modules
 Confirming added memory capacity
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