How much RAM does the MSI CX Series CX420MX support?

The CX Series CX420MX supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the CX Series CX420MX use?

It uses DDR2 SODIMM memory modules.

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MSI CX Series CX420MXMemory Upgrades

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System specifications for MSI CX Series CX420MX

Specifications reported for the MSI CX Series CX420MX.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 800 MT/s

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 MSI CX Series CX420MX, 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 CX Series CX420MXMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for MSI CX Series CX420MX

Specifications reported for the MSI CX Series CX420MX.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 800 MT/s

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

MSI CX Series CX420MXMemory Upgrades

Choose your upgrade

System specifications for MSI CX Series CX420MX

Software

MSI CX Series CX420MXMemory Upgrades

Choose your upgrade

System specifications for MSI CX Series CX420MX

Software