How much RAM does the Lenovo ThinkCentre M77 1990 support?

The ThinkCentre M77 1990 supports up to 16GB of memory across 4 slot(s), up to 4GB per slot.

What type of memory does the ThinkCentre M77 1990 use?

It uses DDR3 DIMM memory modules.

Compatible drive types: SATA 2.5" SSD.

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkCentre M77 1990, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkCentre M77 1990 — 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 Lenovo ThinkCentre M77 1990, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the Lenovo ThinkCentre M77 1990 — 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.