- 4 x DDR4 DIMM Slots

- AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC) / 2933/2667/2400/2133 ECC & non-ECC, un-buffered memory *

- AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667/2400/2133 ECC & non-ECC, un-buffered memory *

- AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC) / 2933(OC) / 2667/2400/2133 non-ECC, un-buffered memory *

- Max. capacity of system memory: 64GB * *

- 15μ Gold Contact in DIMM Slots



* For Ryzen Series CPUs (Raven Ridge), ECC is only supported with PRO CPUs.

Please refer to below table for DDR4 UDIMM maximum frequency support.

Ryzen Series CPUs (Pinnacle Ridge): UDIMM Memory Slot Frequency(MHZ) A1 A2 B1 B2 - SR - - 2667 - DR - - 2400 - SR - SR 2667 - DR - DR 2400 SR SR SR SR 2133 SR/DR DR SR/DR DR 1866

Ryzen Series CPUs (Summit Ridge): UDIMM Memory Slot Frequency(MHZ) A1 A2 B1 B2 - SR - - 2667 - DR - - 2667 - SR - SR 2667 - DR - DR 2400-2667 SR SR SR SR 2133-2400 SR/DR DR SR/DR DR 1866-2133

Ryzen Series CPUs (Raven Ridge): UDIMM Memory Slot Frequency(MHZ) A1 A2 B1 B2 - SR - - 2933 - DR - - 2667 - SR - SR 2667 - DR - DR 2400 SR SR SR SR 2133 SR/DR DR SR/DR DR 1866



SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label

DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label





* * 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. For Ryzen Series CPUs (Raven Ridge), ECC is only supported with PRO CPUs.Please refer to below table for DDR4 UDIMM maximum frequency support.Ryzen Series CPUs (Pinnacle Ridge):Ryzen Series CPUs (Summit Ridge):Ryzen Series CPUs (Raven Ridge):SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module labelDR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module labelDue to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows32-bit OS. For Windows64-bit OS with 64-bit CPU, there is no such limitation.