How much RAM does the Dell OptiPlex 780 USFF support?

The OptiPlex 780 USFF supports up to 4GB of memory across 2 slot(s), up to 2GB per slot.

What storage drives fit the Dell OptiPlex 780 USFF?

Compatible drive types: SATA 2.5" Hard Drive, SATA 2.5" SSD.

Your system

Dell OptiPlex 780 USFFStorage Upgrades

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

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.

SATA 2.5" Hard Drive

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.

System specifications for Dell OptiPlex 780 USFF

Specifications reported for the Dell OptiPlex 780 USFF.

Memory type: DDR3
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 1333 MT/s
Processor: E8400

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Dell OptiPlex 780 USFF, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

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Your system

Dell OptiPlex 780 USFFStorage Upgrades

Change system Auto-detect

8 guaranteed-fit options

Internal drives

Matched to this machine's drive bays and slots.

SATA 2.5" SSD

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.

SATA 2.5" Hard Drive

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.

System specifications for Dell OptiPlex 780 USFF

Specifications reported for the Dell OptiPlex 780 USFF.

Memory type: DDR3
Memory slots: 2
Maximum memory: 4GB
Max per slot: 2GB
Rated speed: 1333 MT/s
Processor: E8400

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Dell OptiPlex 780 USFFStorage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Dell OptiPlex 780 USFF

Software

Dell OptiPlex 780 USFFStorage Upgrades

Choose your upgrade

Internal drives

SATA 2.5" SSD

SATA 2.5" Hard Drive

System specifications for Dell OptiPlex 780 USFF

Software