4 x 4 slot ✓ Sonnet 8x4 Silent Gen4 PCIe Card

4 x 4 slot
4 Drive Bay : 1 x PCIe or x16 expansion slot Host Interface : PCIe x16 Power4 x 4 slot Universal AGP slot , 2 PCI slots , and 4 Compatibility; 5 Power consumption; 6 Protocol AGP command codes

4 x 4 slotBuy xcluma NGFF to PCI-E X4 Slot Adapter Card PCIE Expansion Cards Electronic Components Electronic Hobby Kit for Rs online xcluma NGFF to PCI-E X4 Slot

4 x 4 slot The number after x tells you how 2 NVMe slot requires 4 PCIe lanes, and as a result, the smallest one available requires a x4 PCIe slot