How much RAM does the Sony VAIO VGN-SZ640N/B support?

The VAIO VGN-SZ640N/B supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the VAIO VGN-SZ640N/B use?

It uses DDR2 SODIMM memory modules.

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System specifications for Sony VAIO VGN-SZ640N/B

Specifications reported for the Sony VAIO VGN-SZ640N/B.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 MT/s
Processor: 2.0GHz Intel Core 2 Duo T7250

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Sony VAIO VGN-SZ640N/B, 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

Sony VAIO VGN-SZ640N/BMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for Sony VAIO VGN-SZ640N/B

Specifications reported for the Sony VAIO VGN-SZ640N/B.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 MT/s
Processor: 2.0GHz Intel Core 2 Duo T7250

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Sony VAIO VGN-SZ640N/BMemory Upgrades

Choose your upgrade

System specifications for Sony VAIO VGN-SZ640N/B

Software

Sony VAIO VGN-SZ640N/BMemory Upgrades

Choose your upgrade

System specifications for Sony VAIO VGN-SZ640N/B

Software