Pay in installments of $32.49 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
APW17 1215a Bitmain Power Supply Unit for Antminer S21 S19jXPAPW17 1215a Power Supply Unit Replacement PSU for Antminer S21 and S19jXP Air Cooled Miners The APW17 1215a is a switching power supply built for the Antminer S21 and S19jXP air cooled miners. Direct replacement when the OEM APW17 unit fails or degrades typical failure modes include capacitor drying, MOSFET fatigue on the primary stage, and fan bearing wear. A fresh PSU restores full hashrate and clears the undervoltage faults that throttle the miner
APW17 1215a Power Supply Unit | Replacement PSU for Antminer S21 and S19jXP Air-Cooled Miners
The APW17 1215a is a switching power supply built for the Antminer S21 and S19jXP air-cooled miners. Direct replacement when the OEM APW17 unit fails or degrades — typical failure modes include capacitor drying, MOSFET fatigue on the primary stage, and fan bearing wear. A fresh PSU restores full hashrate and clears the undervoltage faults that throttle the miner before any board-level repair becomes necessary.
The primary OUT1 rail delivers 12–15V at a rated 267A on 220V input, with the OUT2 auxiliary rail providing 12.3V / 18A for the control board. Ripple and noise stay under 1% across the full output range. Short-circuit protection responds in over 10ms, and setup time is under 14 seconds from cold start. The power interface uses the standard C20 input and requires a C20 to P13 4-pin power cord on the DC output side to mate with the Antminer hashboard bus.
When to Replace the APW17 1215a
- Miner won't power on — no LED, no fan spin at PSU level, primary stage failed.
- Undervoltage faults at the hashboards — PSU output drift below the 12V threshold, hashboards refuse to start mining.
- Excessive output ripple visible on a scope — degraded output capacitors, ASIC chips will throttle or fault under load.
- Audible buzzing or PSU fan failure — magnetics or cooling fan degraded, replace before thermal damage to the primary.
- Periodic farm refurbishment — proactive PSU swap on S21 / S19jXP units approaching end-of-warranty duty cycles.
APW17 1215a PSU Specifications
| Feature | Specification |
|---|---|
| Compatibility | Antminer S21, S19jXP (air-cooled) |
| OUT1 Voltage | 12V – 15V DC |
| OUT1 Rated Current | 267A @ 220V input |
| OUT2 Voltage | 12.3V (range 12.2–12.4V) |
| OUT2 Rated Current | 18A @ 220V input |
| Ripple & Noise | <1% |
| Line Regulation | <1% |
| Load Regulation | <1% |
| Setup Time | <14 s |
| Short Circuit Protection | >10 ms response |
| Input Interface | C20 |
| DC Output Cord | C20 to P13 4-pin (sold separately) |
FAQ — APW17 1215a PSU
Q: Is this PSU original Bitmain or a third-party generic?
A: This is a third-party APW17 1215a equivalent built to the same electrical envelope. For original Bitmain stock email [email protected] — availability varies.
Q: What power cord do I need on the DC output side?
A: Standard C20 to P13 4-pin cord — required to mate with the Antminer hashboard bus. Order it as a separate line item if you don't already have spares.
Q: Can I use this PSU on other Antminer models?
A: Designed and rated for S21 and S19jXP. The earlier APW12 / APW9 units have different output specs and shouldn't be substituted blindly — confirm pinout and voltage before connecting to other miner families.
Q: Bulk pricing for farm operators?
A: Yes — email [email protected] with your typical monthly PSU volume and we'll send case-quantity pricing.
Related products
- Original Bitmain APW17 1215a Power Supply – S21 / S19jXP
- C20 to P13 4-pin AC Power Cord – Antminer S21 / S19jXP
- APW17 Bitmain PSU Tester – Fault Detection Tool
- Antminer APW12 PSU Test Fixture – APW12-1215
Farm operators sourcing APW17 1215a units by the case? Email [email protected] for bulk pricing. Worldwide shipping from our Shenzhen warehouse.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy