How much RAM does the HP Pavilion 27-d1021ur All-in-One support?

The Pavilion 27-d1021ur All-in-One supports up to 64GB of memory across 2 slot(s), up to 32GB per slot.

What type of memory does the Pavilion 27-d1021ur All-in-One use?

It uses DDR4 SODIMM memory modules.

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

Guaranteed-compatible DDR4 SODIMM upgrades for the HP Pavilion 27-d1021ur All-in-One, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the HP Pavilion 27-d1021ur All-in-One — matched to its drive bays and slots.

This option is out of stock.

The drive runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

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

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Guaranteed-compatible DDR4 SODIMM upgrades for the HP Pavilion 27-d1021ur All-in-One, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the HP Pavilion 27-d1021ur All-in-One — matched to its drive bays and slots.

This option is out of stock.

The drive runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

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