How much RAM does the Dell OptiPlex 3090 SFF support?

The OptiPlex 3090 SFF supports up to 64GB of memory across 2 slot(s), up to 32GB per slot.

What type of memory does the OptiPlex 3090 SFF use?

It uses DDR4 UDIMM memory modules.

Compatible drive types: NVMe M.2 2230 (PCIe Gen 4) SSD, NVMe M.2 2280 (PCIe Gen 4) SSD, SATA 2.5" SSD, SATA 3.5" Hard Drive, SATA M.2 2280 SSD.

Guaranteed-compatible DDR4 UDIMM upgrades for the Dell OptiPlex 3090 SFF, in matched-kit options that fill your slots.

Verified compatible

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Guaranteed-compatible DDR4 UDIMM upgrades for the Dell OptiPlex 3090 SFF, in matched-kit options that fill your slots.

Verified compatible

Good to know

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 3090 SFF — 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 runs at your system's supported PCIe speed — fully compatible, just not its own maximum rated speed.

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.