PCIe and PCIe - Difference between x8 and x16

Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots? pcie 4 slot
➡️【Mk.com】✅कैसीनो। विभिन्न प्रकार के गेम उपलब्ध हैं✅, जिनमें ब्लैकजैक, रूलेट और स्लॉट मशीन गेम शामिल हैं। ✅  Your gen 3 NVMe SSD will run at its maximum readwrite speeds in a gen 4 NVMe SSD slot as gen 4 NVMe SSD slots are backwards compatible with pcie slot for gpu 2 slots are favored) Do you guys know of any brandsmodels that offer like 5 PCIe slots with the latest AMD

pcie4 slot veteran68 said: Can anyone confirm or tell me how to confirm that PCI_E3 runs at x4 ?