How much RAM does the ASRock P55DE3 support?

The P55DE3 supports up to 16GB of memory across 4 slot(s), up to 4GB per slot.

What type of memory does the P55DE3 use?

It uses DDR3 DIMM memory modules.

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ASRock P55DE3Memory Upgrades

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System specifications for ASRock P55DE3

Specifications reported for the ASRock P55DE3.

Memory type: DDR3
Form factor: DIMM
Memory slots: 4
Maximum memory: 16GB
Max per slot: 4GB
Rated speed: 1066 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.
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 P55DE3, 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 P55DE3Memory Upgrades

Change system Auto-detect

7 guaranteed-fit options

This option is out of stock.

System specifications for ASRock P55DE3

Specifications reported for the ASRock P55DE3.

Memory type: DDR3
Form factor: DIMM
Memory slots: 4
Maximum memory: 16GB
Max per slot: 4GB
Rated speed: 1066 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.
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 P55DE3Memory Upgrades

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System specifications for ASRock P55DE3

Software

ASRock P55DE3Memory Upgrades

Choose your upgrade

System specifications for ASRock P55DE3

Software