How much RAM does the MSI MS-S0991 support?

The MS-S0991 supports up to 1024GB of memory across 16 slot(s), up to 64GB per slot.

What type of memory does the MS-S0991 use?

It uses DDR4 RDIMM memory modules.

Compatible drive types: SATA 2.5" SSD, SATA M.2 2280 SSD.

Guaranteed-compatible SSD and hard-drive upgrades for the MSI MS-S0991, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the MSI MS-S0991 — 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.

This option is out of stock.

This is a SATA (not NVMe) M.2 drive — confirm your M.2 slot supports SATA drives.
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 MSI MS-S0991, matched to its drive bays and slots.

Guaranteed-compatible SSD and hard-drive upgrades for the MSI MS-S0991 — 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.

This option is out of stock.

This is a SATA (not NVMe) M.2 drive — confirm your M.2 slot supports SATA drives.
Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.