Serial ATA: 8 x NVMe/SAS*/SATA + 4 NVMe/SATA
(*HBA/RAID card is required to support SAS hard drives)
PCI Express: Up to 9 slots
6 x PCIe G5 x8 link or 3 x PCIe G5 x16 link (FHFL or FHHL)
1 x PCIe G5 x16 link (FHHL)
1 x OCP 3.0/PCIe Gen5 x16 link (FHHL)
1 x PCIe G5 x16, LP
Memory Standard: DDR4 4000+(OC)*/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133
* The maximum memory frequency supported may vary by processor type.
* Please refer to Memory Support List on ASRock's website for more information.