And I've seen several 12V DC 500mA power adapters that have that output. Then I noticed something about the Input specs on these adapters which confused me a bit.

The need for a regulated 12V power supply was implied, then commented on but can not be overstated. (For other’s benefit) Most cheap ACDC transformers only guarantee 12V, but will deliver up to ...

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, ...

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.