pcie slot ✓ What's the use of a 2nd PCI-E x16 slot ?

There is no singular PCI Express slot There are actually four sizes : PCI Express x1, PCI Express x4, PCI Express x8, and PCI Express x16 pcie slot,Generally speaking, there are five physical sizes of PCIe cards: x1, x4, x8, x16, and x32 (FYI, PCIe x32 does exist with a maximum of 32 lanes,

A PCIe card is an expansion card that connects to the motherboard via a PCIe slot, enhancing the computer's functionality It's the successor to pcie slot,It's very low something like 15-20 is the expected cycle lifetime for the slot I believe it is listed in the thread about the New 16 pin power adapter

pcie slot,PCIe is an interface standard for connecting high-speed components