Tekram DC-290N (PCI IDE-2) IDE I/O Adapter Kit L+R Phono Sockets MBA008

A real blast from the past these were manufactured in the 90’s but they are unused – still in their original TEKRAM boxes. It supports fast ATA devices using mode 1, 2, and 3 through PIO access. It also supports dual IDE channels for up to 4 devices.

eBay