ASUS X99-PRO
Motherboard, from 2016 2 hardware reports
Memory
Up to 60 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 60 GB seen working.
It takes DDR4-2133 full-size sticks (DIMM).
- Slots
- 8 DIMM slots
- Type
- DDR4-2133 288-pin DIMM
- Most seen working
- 60 GB; one machine runs 60 GB
- Firmware says
- 512 GB maximum
- How sure
- 2 of 2 reports show this layout
See 4 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 ASUS X99-PRO?
Yes. 8 slots, up to 60 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).
What type of RAM does the ASUS X99-PRO 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 X99-PRO.