How much RAM does the IBM IdeaPad U400 support?

The IdeaPad U400 supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the IdeaPad U400 use?

It uses DDR3 SODIMM memory modules.

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IBM IdeaPad U400Memory Upgrades

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System specifications for IBM IdeaPad U400

Specifications reported for the IBM IdeaPad U400.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1333 MT/s

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.
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 IBM IdeaPad U400, 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

IBM IdeaPad U400Memory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for IBM IdeaPad U400

Specifications reported for the IBM IdeaPad U400.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1333 MT/s

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.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

IBM IdeaPad U400Memory Upgrades

Choose your upgrade

System specifications for IBM IdeaPad U400

Software

IBM IdeaPad U400Memory Upgrades

Choose your upgrade

System specifications for IBM IdeaPad U400

Software