What's the bandwidth and form factor for PCIe x1 x4 x8 and x16?

What's the bandwidth and form factor for PCIe x1 x4 x8 and x16? pcie slot size
➡️【Mk.com】✅गेम शो · क्रेजी टाइम ✅ · रेनबो फॉर्च्यून लाइव स्ट्रीम · मनी ड्रॉप्स लाइव · हू वॉन्ट्स टू बी अ मिलियनेयर रूलेट · ट्रैवल फीवर · एडवेंचर्स बियॉन्ड वंडरलैंड लाइव · ✅  PCIe Slots · A PCIe slot that supports an FHFL PCIe card is backward compatible with an FHHL or HHHL PCIe card · A PCIe slot that supports a PCIe pcie 4 m2 in pcie 3 slot 16x is physical slot size, that is capable of wiring up to 16 PCIe lanes, but on your motherboard that slot has only 4 lanes connected to it

pcie 4 m2 in pcie 3 slot The LPPCI spec assumes a PCI slot For those that don't know the The Height, size and retention bracket details for Low Profile PCI as

pcie 4 ssd in pcie 3 slot PCIe slot refers to the physical size of PCI Express By and large For example, PCIe x1 is 25 mm in length, while PCIe x16 is 89 mm  PCIe compatibility and performance generates a LOT of confusion In Explaining PCIe Slots