How much RAM does the Dell X51 R3 support?

The X51 R3 supports up to 32GB of memory across 2 slot(s), up to 16GB per slot.

What type of memory does the X51 R3 use?

It uses DDR4 UDIMM memory modules.

Compatible drive types: SATA 2.5" SSD.

Guaranteed-compatible DDR4 UDIMM upgrades for the Dell X51 R3, in matched-kit options that fill your slots.

Verified compatible

Good to know

Guaranteed-compatible SSD and hard-drive upgrades for the Dell X51 R3 — matched to its drive bays and slots.

This option is out of stock.

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Guaranteed-compatible DDR4 UDIMM upgrades for the Dell X51 R3, in matched-kit options that fill your slots.

Verified compatible

Good to know

Guaranteed-compatible SSD and hard-drive upgrades for the Dell X51 R3 — matched to its drive bays and slots.

This option is out of stock.