Optional Storage Insert For Cloud Gateway Max And Fiber That Supports One 2230, 2242, 2260, 2280, Or 22110 Sized M.2 Nvme Ssd. Cloud Gateway Max And Cloud Gateway Fiber Supports M.2 Nvme With Pcie Gen3 X2 Lanes. All M.2 Nvme Ssds Are Compatible, But Will Be Limited To Gen3X2 Performance.