APW12 Power Supply Models and Compatibility Notice

There are multiple models of APW12 power supplies. Please carefully note the model and version when using.

Current main APW12 models: APW121215, APW121417, and APW12A. These models are NOT interchangeable and have the following differences:

1. APW121215

• Most widely used power supply for 19-series miners
• "1215" indicates 12-15V output voltage
• Current versions: a, b, c, d, e, f
  Compatibility:
  A. Versions a/b/c are interchangeable (no voltage feedback)
  B. Versions d/e/f are interchangeable (with voltage feedback)
  C. d/e/f versions can replace some a/b/c units after firmware update, but a/b/c cannot replace d/e/f

2. APW121417

• "1417" indicates 14-17V output voltage
• Used for L7 and some S19 miners
• Current versions: a and b (version b is backward compatible with a)

3. APW12A

• For 277V input (US and other 277V standard regions)
• Latest version: APW1215g

*Important: Always verify original power supply model and version before replacement. Wrong replacement may cause miner failure or damage.