About This Item Overview DetailsSecond stack module for supporting 1 PCIe x4 card on UNO-2484G-xx31AEDocumentation PDF Data Sheet FeaturesPorts 1 xPCIex4 slot for half-length PCIe card (W167 x H111 mm) Dimensions 200 x 140 x 40 mm Weight 400g Power consumption 15W (Max) Environment Operating Temperature 0 ~ 50 ∞C (Depends on expansion card) Drivers & Downloads Drivers & Downloads