How much RAM does the Lenovo ThinkCentre M55 support?

The ThinkCentre M55 supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What storage drives fit the Lenovo ThinkCentre M55?

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

Your system

Lenovo ThinkCentre M55Storage 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 ThinkCentre M55

Specifications reported for the Lenovo ThinkCentre M55.

Memory type: DDR2
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 MT/s
Chipset: Intel® Q963 Express
Processor: E6300

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Lenovo ThinkCentre M55, 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 ThinkCentre M55Storage 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 ThinkCentre M55

Specifications reported for the Lenovo ThinkCentre M55.

Memory type: DDR2
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 667 MT/s
Chipset: Intel® Q963 Express
Processor: E6300

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Lenovo ThinkCentre M55Storage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Lenovo ThinkCentre M55

Software

Lenovo ThinkCentre M55Storage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Lenovo ThinkCentre M55

Software