How much RAM does the MSI Megabook M645 B1 support?

The Megabook M645 B1 supports up to 2GB of memory across 2 slot(s), up to 1GB per slot.

What type of memory does the Megabook M645 B1 use?

It uses DDR SODIMM memory modules.

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MSI Megabook M645 B1Memory Upgrades

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System specifications for MSI Megabook M645 B1

Specifications reported for the MSI Megabook M645 B1.

Memory type: DDR
Form factor: SODIMM
Memory slots: 2
Maximum memory: 2GB
Max per slot: 1GB
Rated speed: 400 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 Megabook M645 B1, 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 Megabook M645 B1Memory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for MSI Megabook M645 B1

Specifications reported for the MSI Megabook M645 B1.

Memory type: DDR
Form factor: SODIMM
Memory slots: 2
Maximum memory: 2GB
Max per slot: 1GB
Rated speed: 400 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 Megabook M645 B1Memory Upgrades

Choose your upgrade

System specifications for MSI Megabook M645 B1

Software

MSI Megabook M645 B1Memory Upgrades

Choose your upgrade

System specifications for MSI Megabook M645 B1

Software