How much RAM does the Supermicro SuperServer SYS-521E-WR support?

The SuperServer SYS-521E-WR supports up to 2048GB of memory across 8 slot(s), up to 256GB per slot.

What type of memory does the SuperServer SYS-521E-WR use?

It uses DDR5 RDIMM memory modules.

Compatible drive types: NVMe M.2 22110 (PCIe Gen 4) SSD, NVMe M.2 2280 (PCIe Gen 4) SSD, SATA 2.5" Hard Drive, SATA 2.5" SSD.

Guaranteed-compatible DDR5 RDIMM upgrades for the Supermicro SuperServer SYS-521E-WR, in matched-kit options that fill your slots.

Verified compatible

This option is out of stock.

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Guaranteed-compatible DDR5 RDIMM upgrades for the Supermicro SuperServer SYS-521E-WR, in matched-kit options that fill your slots.

Verified compatible

This option is out of stock.

Guaranteed-compatible SSD and hard-drive upgrades for the Supermicro SuperServer SYS-521E-WR — matched to its drive bays and slots.

This option is out of stock.

This option is out of stock.

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.

Specifications reported for this system.

Good to know

System notes