How much RAM does the HP EliteBook 645 G9 Notebook support?

The EliteBook 645 G9 Notebook supports up to 64GB of memory across 2 slot(s), up to 32GB per slot.

What type of memory does the EliteBook 645 G9 Notebook use?

It uses DDR4 SODIMM memory modules.

Compatible drive types: NVMe M.2 2280 (PCIe Gen 4) SSD, SATA M.2 2280 SSD.

Guaranteed-compatible DDR4 SODIMM upgrades for the HP EliteBook 645 G9 Notebook, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the HP EliteBook 645 G9 Notebook — matched to its drive bays and slots.

This option is out of stock.

This option is out of stock.

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Guaranteed-compatible DDR4 SODIMM upgrades for the HP EliteBook 645 G9 Notebook, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the HP EliteBook 645 G9 Notebook — matched to its drive bays and slots.

This option is out of stock.

This option is out of stock.

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.