How much RAM does the Lenovo W520 DOS US support?

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

What storage drives fit the Lenovo W520 DOS US?

Compatible drive types: SATA 2.5" Hard Drive, SATA 2.5" SSD.

Your system

Lenovo W520 DOS USStorage Upgrades

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

SATA 2.5" Hard Drive

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

System specifications for Lenovo W520 DOS US

Specifications reported for the Lenovo W520 DOS US.

Memory type: DDR3
Memory slots: 4
Maximum memory: 32GB
Max per slot: 8GB
Rated speed: 1333 MT/s
Chipset: Intel® QM67 Express
Processor: i7-2720QM

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Lenovo W520 DOS US, 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 W520 DOS USStorage Upgrades

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

SATA 2.5" Hard Drive

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

System specifications for Lenovo W520 DOS US

Specifications reported for the Lenovo W520 DOS US.

Memory type: DDR3
Memory slots: 4
Maximum memory: 32GB
Max per slot: 8GB
Rated speed: 1333 MT/s
Chipset: Intel® QM67 Express
Processor: i7-2720QM

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Lenovo W520 DOS USStorage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Lenovo W520 DOS US

Software

Lenovo W520 DOS USStorage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Lenovo W520 DOS US

Software