How much RAM does the ASRock H55M/USB3 support?

The H55M/USB3 supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the H55M/USB3 use?

It uses DDR3 DIMM memory modules.

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ASRock H55M/USB3Memory Upgrades

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System specifications for ASRock H55M/USB3

Specifications reported for the ASRock H55M/USB3.

Memory type: DDR3
Form factor: DIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
ECC: none

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your ASRock H55M/USB3, 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

ASRock H55M/USB3Memory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for ASRock H55M/USB3

Specifications reported for the ASRock H55M/USB3.

Memory type: DDR3
Form factor: DIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
ECC: none

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

ASRock H55M/USB3Memory Upgrades

Choose your upgrade

System specifications for ASRock H55M/USB3

Software

ASRock H55M/USB3Memory Upgrades

Choose your upgrade

System specifications for ASRock H55M/USB3

Software