In the dawning of the IBM PC era, the computer case was a heavy, stout thing. These were industrial machines, built with beefy paddle power switches, and weighing as much as a ton of bricks.
DIY-APE recently unveiled a new iteration of the Back to the Future (BTF) standard that aims to minimize the number of cables needed for installing PC ...
BTF3.0 (via Uniko's Hardware) is designed so that no cabling is needed between your PSU, motherboard, or graphics card, ...
In the dawning of the IBM PC era, the computer case was ... is that these often sit right next to other connectors on the motherboard, like front-panel USB-3 connectors, or HD audio headers.