How much RAM does the Lenovo ThinkPad W520 4281 support?

The ThinkPad W520 4281 supports up to 32GB of memory across 4 slot(s), up to 8GB per slot.

What type of memory does the ThinkPad W520 4281 use?

It uses DDR3 SODIMM memory modules.

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Lenovo ThinkPad W520 4281Memory Upgrades

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System specifications for Lenovo ThinkPad W520 4281

Specifications reported for the Lenovo ThinkPad W520 4281.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 4
Maximum memory: 32GB
Max per slot: 8GB
Rated speed: 1333 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 W520 4281, 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 W520 4281Memory Upgrades

Change system Auto-detect

9 guaranteed-fit options

This option is out of stock.

System specifications for Lenovo ThinkPad W520 4281

Specifications reported for the Lenovo ThinkPad W520 4281.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 4
Maximum memory: 32GB
Max per slot: 8GB
Rated speed: 1333 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 W520 4281Memory Upgrades

Choose your upgrade

System specifications for Lenovo ThinkPad W520 4281

Software

Lenovo ThinkPad W520 4281Memory Upgrades

Choose your upgrade

System specifications for Lenovo ThinkPad W520 4281

Software