He decided to make a 12V power supply out of an antique ammo can he found at an army surplus store. The .50 cal ammo box wasn’t in the greatest condition when he picked it up, ...

Priced around $150, the PSU is also ATX 3.1 PCIe 5.1 compliant meaning that it comes with the new 16-pin (12V-2×6) PCIe connector and bundled cable that can deliver up to 600W of power.

Seasonic's new 12V-2x6 power cables (source: Seasonic) If you've got a Seasonic ATX2 PSU, the company has 2 x 8-pin to 12V-2x6 adapter cables, which support most -- but not all -- Seasonic ATX 2.0 ...

Users with legacy models who can't afford to exchange their cards should switch to ATX 3.0 power supplies instead of using adapters to connect 16-pin 12VHPWR plugs into ATX 2.0 PSUs.

However, with GPU power requirements likely to increase over time, AMD will likely have to switch to a 12+4 connection for its 8000-series GPUs. That's assuming it even comes out with a card that ...