How much RAM does the Dell OptiPlex 745 (Mini tower) support?

The OptiPlex 745 (Mini tower) supports up to 8GB of memory across 4 slot(s), up to 2GB per slot.

What type of memory does the OptiPlex 745 (Mini tower) use?

It uses DDR2 DIMM memory modules.

Compatible drive types: SATA 2.5" SSD.

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 745 (Mini tower), matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 745 (Mini tower) — 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.

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Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 745 (Mini tower), matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Dell OptiPlex 745 (Mini tower) — 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.