How much RAM does the Lenovo ThinkPad X61s 7666 support?

The ThinkPad X61s 7666 supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the ThinkPad X61s 7666 use?

It uses DDR2 SODIMM memory modules.

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Lenovo ThinkPad X61s 7666Memory Upgrades

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System specifications for Lenovo ThinkPad X61s 7666

Specifications reported for the Lenovo ThinkPad X61s 7666.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 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 Lenovo ThinkPad X61s 7666, 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

Lenovo ThinkPad X61s 7666Memory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for Lenovo ThinkPad X61s 7666

Specifications reported for the Lenovo ThinkPad X61s 7666.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 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

Lenovo ThinkPad X61s 7666Memory Upgrades

Choose your upgrade

System specifications for Lenovo ThinkPad X61s 7666

Software

Lenovo ThinkPad X61s 7666Memory Upgrades

Choose your upgrade

System specifications for Lenovo ThinkPad X61s 7666

Software