How much RAM does the Lenovo ThinkPad T61 8891 support?

The ThinkPad T61 8891 supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What type of memory does the ThinkPad T61 8891 use?

It uses DDR2 SODIMM memory modules.

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Lenovo ThinkPad T61 8891Memory Upgrades

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System specifications for Lenovo ThinkPad T61 8891

Specifications reported for the Lenovo ThinkPad T61 8891.

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 T61 8891, 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 T61 8891Memory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for Lenovo ThinkPad T61 8891

Specifications reported for the Lenovo ThinkPad T61 8891.

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 T61 8891Memory Upgrades

Choose your upgrade

System specifications for Lenovo ThinkPad T61 8891

Software

Lenovo ThinkPad T61 8891Memory Upgrades

Choose your upgrade

System specifications for Lenovo ThinkPad T61 8891

Software