How much RAM does the HP Pavilion 27-r121ur All-in-One support?

The Pavilion 27-r121ur All-in-One supports up to 32GB of memory across 2 slot(s), up to 16GB per slot.

What type of memory does the Pavilion 27-r121ur All-in-One use?

It uses DDR4 SODIMM memory modules.

Compatible drive types: NVMe M.2 2280 (PCIe Gen 4) SSD, SATA 2.5" Hard Drive, SATA 2.5" SSD, SATA 3.5" Hard Drive, SATA M.2 2280 SSD.

Guaranteed-compatible DDR4 SODIMM upgrades for the HP Pavilion 27-r121ur All-in-One, in matched-kit options that fill your slots.

Verified compatible

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Guaranteed-compatible DDR4 SODIMM upgrades for the HP Pavilion 27-r121ur All-in-One, in matched-kit options that fill your slots.

Verified compatible

This option is out of stock.

Your slot's PCIe generation isn't published; the drive adjusts to it automatically.

This option is out of stock.

The drive bay size is inferred from the system's reported storage interface.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

This option is out of stock.

This option is out of stock.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.

This option is out of stock.

This is a SATA (not NVMe) M.2 drive — confirm your M.2 slot supports SATA drives.

Specifications reported for this system.

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