How much RAM does the HP OMEN 40L GT21-0074 support?

The OMEN 40L GT21-0074 supports up to 128GB of memory across 4 slot(s), up to 32GB per slot.

What type of memory does the OMEN 40L GT21-0074 use?

It uses DDR4 UDIMM memory modules.

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

Guaranteed-compatible DDR4 UDIMM upgrades for the HP OMEN 40L GT21-0074, in matched-kit options that fill your slots.

Verified compatible

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Guaranteed-compatible DDR4 UDIMM upgrades for the HP OMEN 40L GT21-0074, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the HP OMEN 40L GT21-0074 — 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.

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.

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

Specifications reported for this system.

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.