4 x 4 slot ✓ PCIe Gen4 x4 Slot to SFF-8644 Passive Adapter

4 x 4 slot Add up to four NVMe SSDs using only one PCIe slot ⦁ Designed for use with 2280 form factor SSDs ⦁ Compatible with PCIe motherboards and backward4 x 4 slot 4X4 Designed with AMD Ryzen™ Embedded, ASRock Industrial's 4X4 boards offer rich IO and flexible expansion slots for embedded applications

4 x 4 slotAs mentioned above, a single PCIe slot can have x1, x2, x4, x8, or x16 lanes For example, PCIe x8 refers to a Gen 4 expansion cardslot

4 x 4 slot 19 1He PCIe to PCIe Erweiterung with 4 PCIe x8 Gen-2 Slots Order-Nr : WM1-090-250, WM1-090-255 SeriesModel: ExpressBox4-1U-xG2, EB4