CPU Type: Supports 3rd Gen Intel Xeon Scalable processors
Number of DDR4 Slots: 8 x 288-pin
DDR4 Standard: DDR4 3200
Maximum Memory Supported: Up to 2TB 3DS ECC RDIMM, DDR4-3200MHz; Up to 2TB 3DS ECC LRDIMM, DDR4-3200MHz
Up to 2TB Intel Optane Persistent Memory 200 Series, in 8 DIMM slots
Memory Standard: Supports DDR5 ECC, buffered memory (RDIMM/ RDIMM-3DS/ RDIMM-9x4) up to 6800+(OC)*
1DPC Up to 6800+ MHz (OC), 4800 MHz Natively for Xeon W9, Xeon W7 and Xeon W5.
2DPC Up to 6000+ MHz (OC), 4400 MHz Natively for Xeon W9, Xeon W7 and Xeon W5.
Supports 4400 MHz Natively for Xeon W3, W5-3423 and W5-3433.
Overclocking is not supported.
* Actual support may vary by CPU
* Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)