How much RAM does the ASRock Fatal1ty X99X Killer/3.1 support?

The Fatal1ty X99X Killer/3.1 supports up to 128GB of memory across 8 slot(s), up to 16GB per slot.

What type of memory does the Fatal1ty X99X Killer/3.1 use?

It uses DDR4 UDIMM memory modules.

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

Guaranteed-compatible DDR4 UDIMM upgrades for the ASRock Fatal1ty X99X Killer/3.1, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the ASRock Fatal1ty X99X Killer/3.1 — 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 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.

Specifications reported for this system.

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Guaranteed-compatible DDR4 UDIMM upgrades for the ASRock Fatal1ty X99X Killer/3.1, in matched-kit options that fill your slots.

Verified compatible

Guaranteed-compatible SSD and hard-drive upgrades for the ASRock Fatal1ty X99X Killer/3.1 — 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 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.

Specifications reported for this system.