How much RAM does the MSI H55M-E21 support?

The H55M-E21 supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the H55M-E21 use?

It uses DDR3 DIMM memory modules.

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MSI H55M-E21Memory Upgrades

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System specifications for MSI H55M-E21

Specifications reported for the MSI H55M-E21.

Memory type: DDR3
Form factor: DIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1066 MT/s
ECC: none
Chipset: Intel® H55

Good to know

Faster modules automatically run at your system's maximum supported speed.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your MSI H55M-E21, 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

MSI H55M-E21Memory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for MSI H55M-E21

Specifications reported for the MSI H55M-E21.

Memory type: DDR3
Form factor: DIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1066 MT/s
ECC: none
Chipset: Intel® H55

Good to know

Faster modules automatically run at your system's maximum supported speed.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

MSI H55M-E21Memory Upgrades

Choose your upgrade

System specifications for MSI H55M-E21

Software

MSI H55M-E21Memory Upgrades

Choose your upgrade

System specifications for MSI H55M-E21

Software