How much RAM does the Dell OptiPlex E1 400 support?

The OptiPlex E1 400 supports up to 0.25GB of memory across 2 slot(s), up to 0.125GB per slot.

What type of memory does the OptiPlex E1 400 use?

It uses SDRAM DIMM memory modules.

Compatible drive types: IDE / PATA 2.5" Drive.

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex E1 400, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex E1 400 — matched to its drive bays and slots.

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.

Specifications reported for this system.

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Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex E1 400, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex E1 400 — matched to its drive bays and slots.

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.

Specifications reported for this system.