PCIe x4 SSD on PCIe slots, what would I expect?

PCIe x4 SSD on PCIe slots, what would I expect? nvme pcie 4 0 in 3 0 slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express nvme in pcie slot PCIE x2USB I2CDisplayPort x4, WiFiBluetoothWWAN B, 2230, 2242, 2260, 2280, 3042, 22110, PCIe x2USB USB AudioPCMIUMSSICI2C, SATAPCIe

nvme in pcie slot SSD, Support PCIe x4 x8 x16 Slot 256 MB GDDR5 Graphics Card 877 ₹599 31 NVME SSD PCI-e x 4 Host Control 1 GB DDR3 Graphics Card 1,028 ₹559 45

nvme m2 slot SSD: Kingston FURY Renegade PCIe NVMe SSD Windows ISO: Downloaded from PCI-E is backwards compatible and this applies to NVMe drives However, you may want to check the motherboard manual to ensure that whatever