DDR3 with ASROCK X399 TAICHI ?

[swavec]

I have DDR3 patriot viper 32GB 1600Mhz , will that work on ASROCK X399 TAICHI ? Or DDR4 only?

 

[Dark Lord of Tech]

X399 RUNS ON DDR4 ONLY.

- Quad Channel DDR4 Memory Technology
- 8 x DDR4 DIMM Slots
- Supports DDR4 3600+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory(U-DIMM)
- Max. capacity of system memory: 128GB*
- 15μ Gold Contact in DIMM Slots

*Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.

https://www.asrock.com/mb/AMD/X399%20Taichi/index.asp#Specification