The Dell Precision 5820 Tower delivers high performance for your
All slots PCIe Gen 3 2 PCIe x16 1 PCIe x16 wired as x8 1 PCie x16 wired as x4 1 PCIe x16 wired as x1 1 PCI 32/33 Up to 2 (future 4) PCIe slots in PCIe enabled chassis for M.2 and U.2 (future) PCIe SSDs.
motherboard - Is PCI Express x4 faster or slower than a standard ...
The common PCI Express slots we see on motherboards are PCIe x1, PCIe x4, PCIe x8, and PCIe x16.
What are PCIe Slots and Their Uses? - Beginners Guide
PCIe Test Cards for testing, troubleshooting and diagnostics on PCI-Express slots ... For Troubleshooting and Testing PCIe slots.