How much RAM does the HP ProBook 4321s support?

The ProBook 4321s supports up to 8GB of memory across 2 slot(s), up to 4GB per slot.

What type of memory does the ProBook 4321s use?

It uses DDR3 SODIMM memory modules.

Your system

HP ProBook 4321sMemory Upgrades

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System specifications for HP ProBook 4321s

Specifications reported for the HP ProBook 4321s.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1333 MT/s
ECC: none
Processor: Intel HM57 Chipset

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 HP ProBook 4321s, 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

HP ProBook 4321sMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for HP ProBook 4321s

Specifications reported for the HP ProBook 4321s.

Memory type: DDR3
Form factor: SODIMM
Memory slots: 2
Maximum memory: 8GB
Max per slot: 4GB
Rated speed: 1333 MT/s
ECC: none
Processor: Intel HM57 Chipset

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

HP ProBook 4321sMemory Upgrades

Choose your upgrade

System specifications for HP ProBook 4321s

Software

HP ProBook 4321sMemory Upgrades

Choose your upgrade

System specifications for HP ProBook 4321s

Software