Disk Controllers & RAID Cards for PCI Express x1 for sale | eBay
Amazon.com: IO CREST 8 Port SATA III to PCIe 3.0 x1 Non-RAID Expansion Card Dual ASM1064 Genuine 6.0bps with 8 Drives Attached Low Profile Bracket, SI-PEX40165 : Everything Else
HighPoint RocketRAID 2640x1 PCI-Express x1 Four-Port SATA and SAS RAID Controller Card - Newegg.com
Chi A Mining Pcie To Mini Sas 8087 4 Port Sata 3 6g Ssd Adapter Pci-e Pci Express X1 Controller Expansion Card Riser Add On Card - Add On Cards & Controller Panels - AliExpress