PCIe x4 vs x16 for single NVMe SSD speed increase?

Yes, a PCIe x4 card will function in a PCIe x16 slot The slot will simply use 4 of the 16 lanes available, and the card will work properly

Yes, you can plug into 16x slot, but off course it will run in 4x speed Some motherboard even let you plug 4x card into 1x

candy island princess slot Yes, you can plug into 16x slot, but off course it will run in 4x speed Some motherboard even let you plug 4x card into 1x

candy crush slot demo PCIE cards are backwards compatible with the and the slots, but you won't be able to enjoy the full extent of your new PCIE card