Will PCIe x1 Sound card work in PCIe x16 slot?

X1 X2 6 4 5 2 3 1 7 8 9 1U SOC4 480GB AC DUAL Hardware Features 6 FortiGate slots 1 GE SFP LX Transceiver Module FN-TRAN-LX 1 GE SFP LX

X1 X2 6 4 5 2 3 1 7 8 9 1U SOC4 480GB AC DUAL Hardware Features 6 FortiGate slots 1 GE SFP LX Transceiver Module FN-TRAN-LX 1 GE SFP LX

x1 pcie slot PCIe x1: This is the smallest PCIe slot and has a single lane for data communication PCIe x1 slots are often used for less demanding expansion cards, such as

x16 slot x1, 1 Key E for WiFi; Graphics Output Options: HDMI, DisplayPort - 1 x PCI Express x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX