Bitmain Antminer APW3++ power supply, the most commonly used models are A3, A5, A6, suitable for ASIC miner Antminer S7 S9 S9I S9J S9K SE T9, you can also find what you want here.
https://www.zeusbtc.com/ASIC-Miner-Repair/Parts-Tools-Details.asp?ID=61
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