MSI X99A XPOWER GAMING TITANIUM
Board code MS-7A21 Motherboard, from 2016 2 hardware reports
Memory
Up to 128 GB
8 full-size slots
SSD slots
Coming next
Checked from separate sources
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Upgradable
Yes. 8 slots, up to 128 GB seen working.
It takes DDR4-2133 full-size sticks (DIMM).
- Slots
- 8 DIMM slots
- Type
- DDR4-2133 288-pin DIMM
- Most seen working
- 128 GB; one machine runs 128 GB
- Firmware says
- 256 GB maximum
- How sure
- 2 of 2 reports show this layout
See 16 GB DDR4-2133 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 2 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
8 full-size slots
Illustration Questions
Can I upgrade the RAM in the MSI X99A XPOWER GAMING TITANIUM?
Yes. 8 slots, up to 128 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).
What type of RAM does the MSI X99A XPOWER GAMING TITANIUM use?
DDR4-2133 full-size sticks (DIMM, 288-pin).
Is this my motherboard?
The model name is printed on the board, usually between the memory slots or near the CPU socket. In Windows, open System Information and look at "BaseBoard Product"; it should read X99A XPOWER GAMING TITANIUM or MS-7A21.