Can You Help me Understand This SATA NVMe PCIe SSD Gen

How to determine from command line if NVMe slot is gen 3 or gen 4? pcie 4 nvme in pcie 3 slot
➡️【Mk.com】✅ऑनलाइन कैसीनो गेम्स✅भारतीय ऑनलाइन जुआ उद्योग, ऑनलाइन बिंगो✅लोकप्रिय स्लॉट गेम्स, वर्चुअल गेम पार्टनर्स, बिंगो सॉफ्टवेयर, कैसीनो✅  Does anyone know if you can buy a PCIe x16 low profile card that supports FOUR M2 NVMe drives A pcie 3 x16 slot modded to 4x ports pcie 30 in 40 slot My laptop has a gen 3 slot First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot

pcie slot splitter Ciao, ho installato un ssd samsung 980PRO sulla mia scheda madre X570 GAMING PLUS nello slot M - Supports PCIe x4 -