How much RAM does the Sony VAIO VGN-CS21S/V (64-bit) support?

The VAIO VGN-CS21S/V (64-bit) supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the VAIO VGN-CS21S/V (64-bit) use?

It uses DDR2 SODIMM memory modules.

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Sony VAIO VGN-CS21S/V (64-bit)Memory Upgrades

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System specifications for Sony VAIO VGN-CS21S/V (64-bit)

Specifications reported for the Sony VAIO VGN-CS21S/V (64-bit).

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 800 MT/s
Processor: Intel Core 2 Duo (2GHz) Processor Intel PM45 Chipset

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 Sony VAIO VGN-CS21S/V (64-bit), 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-CS21S/V (64-bit)Memory Upgrades

Change system Auto-detect

8 guaranteed-fit options

This option is out of stock.

System specifications for Sony VAIO VGN-CS21S/V (64-bit)

Specifications reported for the Sony VAIO VGN-CS21S/V (64-bit).

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 800 MT/s
Processor: Intel Core 2 Duo (2GHz) Processor Intel PM45 Chipset

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

Sony VAIO VGN-CS21S/V (64-bit)Memory Upgrades

Choose your upgrade

System specifications for Sony VAIO VGN-CS21S/V (64-bit)

Software

Sony VAIO VGN-CS21S/V (64-bit)Memory Upgrades

Choose your upgrade

System specifications for Sony VAIO VGN-CS21S/V (64-bit)

Software