Amazon.com: CERRXIAN PCI-e PCI Express 16X Female to 4X Male Riser Mining Extension Cable 14cm(16-4x) : Electronics
PIO-16/16L(PCI)H Digital I/O PCI card
V5052 16-Port PCI Express FPGA Card
PCI Express: BlueStorm/Express 8/16 RS-232 - Connect Tech Inc.
PCI Express - Wikipedia
Amazon.com: BEYIMEI PCIE 4X SATA Card 16 Ports, 6 Gbit/s SATA 3.0 PCIe Card, PCI-E to SATA Controller Expansion Card, Boot as System Hard Drive,with 16 SATA Cables and Low Profile Bracket(JMB575 +
2U Riser w/ 2 x 32-bit and one PCI-Express x 16 good for Intel Se7525GP2, Supermicro X6DAL Series,Gigabyte GA-81915P-MF,GA-81915G-MF etc, Model # EJ-RC2UE133
128-channel, 16-bit PCI digital I/O board - Aerospace DAQ, Test, HIL - UEI