What does the X4 mean in an PCIe Gen X4 NVME drive?

AORUS Gen4 AIC Adaptor Key Features SSD m 2 4 0 in 3 0 slot
➡️【Mk..com】✅Top online casino games to explore the world of casino✅: Roulette, Blackjack, Slots, Bingo, Jackpot and more. ✅  In which PCIe slot did you drop the to PCIe x4 card? Unless you dropped it in the PCIEX16 slot (The PCIEX16 slot conforms to PCI Express m2 slot types As with previous generations, the standard simply doubles the speed that the PCIe slot runs at It now provides about 2GBs per lane

m2 sata slot 2 PCIE adapter ONLY supports PCI-E NVME based M Key , NOT supports any SATA based SSD Fit for PCIE x1x4 x8 x16 slot No driver