4 x 4 slot ✓ PCIe Gen 4x4 UD85

4 x 4 slot
Add 4 Internal SATA III ports to a computer through a PCI Express x2 slot ; 1 x HDD + 2 x SSD HyperDuo , MBs, 2 TB ; Drives Used: SSD:4 x 4 slot - 4 x DDR4 DIMM Slots - AMD Ryzen series CPUs support DDR4 4666+( - 1 x PCI Express x16 Slot (x4 )*

4 x 4 slotx4, PCIe x8, PCIe x16, and PCIe x32 The letter “x” stands for the physical dimensions of the slot and how many lanes are in the expansion slot

4 x 4 slot 4X4 Designed with AMD Ryzen™ Embedded, ASRock Industrial's 4X4 boards offer rich IO and flexible expansion slots for embedded applications