How much RAM does the MSI CX640 456CS support?

The CX640 456CS supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the CX640 456CS use?

It uses DDR3 SODIMM memory modules.

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MSI CX640 456CSMemory Upgrades

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System specifications for MSI CX640 456CS

Specifications reported for the MSI CX640 456CS.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1333 MT/s
ECC: none

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 MSI CX640 456CS, 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

MSI CX640 456CSMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for MSI CX640 456CS

Specifications reported for the MSI CX640 456CS.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1333 MT/s
ECC: none

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

MSI CX640 456CSMemory Upgrades

Choose your upgrade

System specifications for MSI CX640 456CS

Software

MSI CX640 456CSMemory Upgrades

Choose your upgrade

System specifications for MSI CX640 456CS

Software