How much RAM does the Dell OptiPlex 5040 support?

The OptiPlex 5040 supports up to 16GB of memory across 4 slot(s), up to 4GB per slot.

What type of memory does the OptiPlex 5040 use?

It uses DDR3L DIMM memory modules.

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Dell OptiPlex 5040Memory Upgrades

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System specifications for Dell OptiPlex 5040

Specifications reported for the Dell OptiPlex 5040.

Memory type: DDR3L
Form factor: DIMM
Memory slots: 4
Maximum memory: 16GB
Max per slot: 4GB
Rated speed: 1600 MT/s
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 Dell OptiPlex 5040, 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

Dell OptiPlex 5040Memory Upgrades

Change system Auto-detect

5 guaranteed-fit options

This option is out of stock.

System specifications for Dell OptiPlex 5040

Specifications reported for the Dell OptiPlex 5040.

Memory type: DDR3L
Form factor: DIMM
Memory slots: 4
Maximum memory: 16GB
Max per slot: 4GB
Rated speed: 1600 MT/s
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

Dell OptiPlex 5040Memory Upgrades

Choose your upgrade

System specifications for Dell OptiPlex 5040

Software

Dell OptiPlex 5040Memory Upgrades

Choose your upgrade

System specifications for Dell OptiPlex 5040

Software