How much RAM does the Lenovo X61S support?

The X61S supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the X61S use?

It uses DDR2 SODIMM memory modules.

Your system

Lenovo X61SMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for Lenovo X61S

Specifications reported for the Lenovo X61S.

Memory type: DDR2
Form factor: SODIMM
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 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 Lenovo X61S, 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.

Loading…

Your system

Lenovo X61SMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for Lenovo X61S

Specifications reported for the Lenovo X61S.

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

Lenovo X61SMemory Upgrades

Choose your upgrade

System specifications for Lenovo X61S

Software

Lenovo X61SMemory Upgrades

Choose your upgrade

System specifications for Lenovo X61S

Software