Supermicro RSC-G2F-A66-X1 2U Front LHS Active GPU riser card with two PCI-E x16 | eBay
Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
Quad M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
10gbps Riser Pci Express X16 Pcie 1 To 4 Pci-e X4 To 16x Ports Slot Usb 3.0 Multiplier Adapter Splitter Extender Card For Mining - Pc Hardware Cables & Adapters - AliExpress
865864-001 HP 1U FLOM PCIE X24 RISER CARD FOR HPE PROLIANT XL170R G10 ( XL1X0R GEN10 ) - FLEXLOM RIGHT SECONDARY RISER BOARD ( 1 ) ONE PCI-E 3.0 X16 SLOT ( KIT PN: 874298-B21 )
Any adapters for a x16 PCIe slot split in multiple smaller ones? | TrueNAS Community
PCI-E Expansion Board Kit PCI-E X1 to 4 PCI-E X16 Slot Graphics Adapter Card for BTC Miner - Walmart.com