Is it possible to have PCI Express slots (x1, x4, x16) on the motherboard that are connected to the chipset instead of the processor? Are there any motherboards that have this feature? -
Commell LV-672 P4 LGA775 Mini-ITX SATA x4 PCIE x16 Motherboard w/ CPU & 256 RAM | eBay
PCIe (Peripheral Component Interconnect Express) | On the Motherboard | Pearson IT Certification
PCIe Gen 4 vs. Gen 3 Slots, Speeds
PCIE 3.0 x4 Lane to U.2 U2 Kit SFF 8639 Host Adapter for Intel Motherboard 75~gw | eBay
PCI-E x4 to U.2 Kit SFF-8639 Adapter for Intel Motherboard 750 NVMe PCIe SSD 8011448416539 | eBay
ASUS Prime B660M-A D4 LGA 1700(Intel 12th Gen) mATX Motherboard (PCIe 4.0, DDR4,2xM.2 Slots, 1Gb LAN, DP,2 x HDMI, Rear USB 3.2 Gen 2, Front USB 3.2 Gen 1 Type-C, Aura Sync)
Whats the difference between PCIe 3.0 x4 and PCIe 3.0 x2? - Quora