{
    "meta": {
        "title": "D-Central — ASIC PSU Reference",
        "description": "Reference for 17 Bitcoin ASIC miner power supplies: rated watts, input/output voltage, connectors, I2C voltage control, efficiency and compatible miners.",
        "generated": "2026-06-19T05:11:51+00:00",
        "version": "1.0",
        "license": "https://creativecommons.org/licenses/by/4.0/",
        "license_name": "CC BY 4.0",
        "source": "https://d-central.tech/asic-psu-reference/",
        "record_count": 17,
        "provenance": "D-Central Mining Bible PSU_PROTOCOL_BIBLE + the Laval ASIC repair bench. Voltage-tuning and I2C details per the Bible.",
        "disclaimer": "A reference: confirm the exact unit revision, input mains and miner compatibility before connecting. Mains-voltage PSUs are dangerous — discharge and verify before servicing."
    },
    "rows": [
        {
            "id": "apw3-apw3pp",
            "model": "APW3/APW3++",
            "manufacturer": "Bitmain",
            "max_watts": 1600,
            "input_voltage": "100-264V",
            "output_voltage": "12.15V (fixed; matrix lists 11.6-13.0V)",
            "connectors": "10x 6-pin PCIe",
            "i2c_voltage_control": false,
            "efficiency": "~93%",
            "compatible_miners": [
                "S7",
                "S9",
                "S9i",
                "S9j",
                "S9k",
                "S9 SE",
                "T9"
            ],
            "notes": "Universal-input, no I2C MCU (fixed 12V). 1600W@220V / 1200W@110V; 133A@220V / ~100A@110V. Most common PSU for 120V home mining via firmware PSU-bypass."
        },
        {
            "id": "apw5",
            "model": "APW5",
            "manufacturer": "Bitmain",
            "max_watts": 1500,
            "input_voltage": "200-240V",
            "output_voltage": "12V",
            "connectors": null,
            "i2c_voltage_control": false,
            "efficiency": "~93%",
            "compatible_miners": [
                "S5",
                "S7 (early models)"
            ],
            "notes": "~1500W, ~125A. Fixed 12V, no I2C. Not 120V-compatible (200-240V only)."
        },
        {
            "id": "apw7",
            "model": "APW7",
            "manufacturer": "Bitmain",
            "max_watts": 1800,
            "input_voltage": "100-264V",
            "output_voltage": "11.6-13.0V (matrix); 12V fixed (Sec 16)",
            "connectors": null,
            "i2c_voltage_control": false,
            "efficiency": "~95%",
            "compatible_miners": [
                "S9",
                "S9i",
                "L3+",
                "D3",
                "T9+",
                "Z9"
            ],
            "notes": "1800W@220V / 1000W@110V; 150A. Universal-input, no I2C MCU (simple fixed PSU). Works on 120V with firmware bypass."
        },
        {
            "id": "apw8-dr5",
            "model": "APW8 (8-9.2V)",
            "manufacturer": "Bitmain",
            "max_watts": null,
            "input_voltage": "200-240V",
            "output_voltage": "8-9.2V",
            "connectors": null,
            "i2c_voltage_control": true,
            "efficiency": "~93%",
            "compatible_miners": [
                "DR5"
            ],
            "notes": "8-9.2V output variant. Current/wattage not stated in Bible. Bypass doc lists APW8 voltage-adjustable but I2C MCU/address/protocol 'Unknown'. Not 120V-compatible."
        },
        {
            "id": "apw8-s11",
            "model": "APW8 (10-11V)",
            "manufacturer": "Bitmain",
            "max_watts": null,
            "input_voltage": "200-240V",
            "output_voltage": "10-11V",
            "connectors": null,
            "i2c_voltage_control": true,
            "efficiency": "~93%",
            "compatible_miners": [
                "S11"
            ],
            "notes": "10-11V output variant. Current/wattage not stated. APW8 I2C details 'Unknown' per bypass doc. Not 120V-compatible."
        },
        {
            "id": "apw8-s15-t15",
            "model": "APW8 (16-20V)",
            "manufacturer": "Bitmain",
            "max_watts": null,
            "input_voltage": "200-240V",
            "output_voltage": "16.32-20.04V",
            "connectors": null,
            "i2c_voltage_control": true,
            "efficiency": "~93%",
            "compatible_miners": [
                "S15",
                "T15"
            ],
            "notes": "16.32-20.04V output variant. Current/wattage not stated. APW8 I2C details 'Unknown' per bypass doc. Not 120V-compatible."
        },
        {
            "id": "apw9",
            "model": "APW9",
            "manufacturer": "Bitmain",
            "max_watts": 3600,
            "input_voltage": "200-240V",
            "output_voltage": "14.5-21V",
            "connectors": null,
            "i2c_voltage_control": true,
            "efficiency": "~90%",
            "compatible_miners": [
                "S17",
                "S17 Pro",
                "T17"
            ],
            "notes": "3600W@220V, 170A. I2C MCU PIC16F1704 at addr 0x10, Bitmain proprietary protocol, 400Hz. Not 120V-compatible."
        },
        {
            "id": "apw9-plus",
            "model": "APW9+",
            "manufacturer": "Bitmain",
            "max_watts": 3600,
            "input_voltage": "200-240V",
            "output_voltage": "14.5-21V",
            "connectors": null,
            "i2c_voltage_control": true,
            "efficiency": "~90%",
            "compatible_miners": [
                "S17+",
                "S17e",
                "T17+",
                "T17e"
            ],
            "notes": "3600W@220V, 200A. I2C MCU PIC16F1704 at addr 0x10, Bitmain proprietary, 400Hz. Not 120V-compatible."
        },
        {
            "id": "apw12-1215",
            "model": "APW12 (1215)",
            "manufacturer": "Bitmain",
            "max_watts": 3600,
            "input_voltage": "200-240V",
            "output_voltage": "12-15V (tunable via 8-bit DAC)",
            "connectors": "J3/J4 high-current OUT1 (233A); J6 12V/15A OUT2; J15 4-pin signal (SDA/SCL/EN/GND)",
            "i2c_voltage_control": true,
            "efficiency": "~93-95%",
            "compatible_miners": [
                "S19",
                "S19 Pro",
                "S19j",
                "S19j Pro",
                "T19"
            ],
            "notes": "3600W@220V, 233A. PIC16F1704 I2C @0x10, 400Hz, frame 55 AA. V=15.1084-0.013046*DAC; practical 12.0V(code238)-15.0V(code8). ~60s watchdog. Versions a-g (d/e/f/g add voltage feedback)."
        },
        {
            "id": "apw12-1417",
            "model": "APW12 (1417)",
            "manufacturer": "Bitmain",
            "max_watts": 3600,
            "input_voltage": "200-240V",
            "output_voltage": "14-17V",
            "connectors": "Same as APW12-1215 (J3/J4, J6, J15 4-pin)",
            "i2c_voltage_control": true,
            "efficiency": "~93-95%",
            "compatible_miners": [
                "L7",
                "K7",
                "DR7",
                "HS3",
                "KA3"
            ],
            "notes": "3600W@220V, 233A. 14-17V higher-voltage variant for L7/KA3 etc. Same Bitmain I2C protocol (PIC16F1704 @0x10, 400Hz). Model strings APW12_1417a/b. Not 120V-compatible."
        },
        {
            "id": "apw12a",
            "model": "APW12A",
            "manufacturer": "Bitmain",
            "max_watts": null,
            "input_voltage": "200-240V",
            "output_voltage": "12V (fixed)",
            "connectors": null,
            "i2c_voltage_control": false,
            "efficiency": "~93%",
            "compatible_miners": [
                "Older models (no voltage adjustment)"
            ],
            "notes": "Fixed 12V variant with no voltage adjustment. Current/wattage not stated in Bible."
        },
        {
            "id": "apw17-1215",
            "model": "APW17 (1215)",
            "manufacturer": "Bitmain",
            "max_watts": 3600,
            "input_voltage": "220-277V",
            "output_voltage": "12-15V",
            "connectors": "Different connector from APW12 (C20→P13); adapter cable needed for cross-use",
            "i2c_voltage_control": true,
            "efficiency": "~94%",
            "compatible_miners": [
                "S21",
                "S21 Pro",
                "S21 XP",
                "S19j XP",
                "KS5"
            ],
            "notes": "3600W@220V, 267A. Higher AC input (220-277V). Assumed same I2C frame protocol as APW12 (string 'APW17_'); not independently verified. S21 units known to have checksum errors. Not 120V-compatible."
        },
        {
            "id": "apw12-oc-variants",
            "model": "APW12 OC (4000-8000W)",
            "manufacturer": "Zeus Mining / third-party (modified APW12)",
            "max_watts": 8000,
            "input_voltage": "200-240V",
            "output_voltage": "12-15V",
            "connectors": null,
            "i2c_voltage_control": true,
            "efficiency": null,
            "compatible_miners": null,
            "notes": "Overclocking-rated modified APW12 PSUs: 4000W/~267A, 5000W/~333A (30A circuit), 6000W/~400A, 6500W/~433A, 8000W/~533A. Use same I2C protocol as stock APW12. 6500W+ require immersion cooling."
        },
        {
            "id": "hp-dps-1200fb",
            "model": "DPS-1200FB",
            "manufacturer": "HP",
            "max_watts": 1200,
            "input_voltage": null,
            "output_voltage": "12V (fixed)",
            "connectors": "Via breakout board (6-pin PCIe, 100A+ @12V)",
            "i2c_voltage_control": false,
            "efficiency": null,
            "compatible_miners": [
                "Antminers via breakout board + firmware bypass"
            ],
            "notes": "Server PSU. Speaks proprietary PMBus (not Bitmain APW protocol; no 0x83 DAC control). Used via breakout board; needs firmware PSU-bypass. No I2C voltage adjustment."
        },
        {
            "id": "dell-epp",
            "model": "EPP 750-2400W",
            "manufacturer": "Dell",
            "max_watts": 2400,
            "input_voltage": null,
            "output_voltage": "12V (fixed)",
            "connectors": "Via breakout board (6-pin PCIe)",
            "i2c_voltage_control": false,
            "efficiency": null,
            "compatible_miners": [
                "Antminers via breakout board + firmware bypass"
            ],
            "notes": "Server PSU, up to 2400W. Proprietary PMBus (not Bitmain APW protocol). Used via breakout board; needs firmware PSU-bypass. No I2C voltage adjustment."
        },
        {
            "id": "atx-psu-generic",
            "model": "ATX PSU (generic)",
            "manufacturer": "Generic / various",
            "max_watts": 1600,
            "input_voltage": null,
            "output_voltage": "12V (fixed)",
            "connectors": null,
            "i2c_voltage_control": false,
            "efficiency": null,
            "compatible_miners": [
                "Antminers with appropriate wiring + firmware bypass"
            ],
            "notes": "Generic ATX PSU, up to ~1600W. No I2C. Works with appropriate wiring; firmware enters passthrough mode (no PSU detected on I2C bus)."
        },
        {
            "id": "meanwell-rsp",
            "model": "RSP series",
            "manufacturer": "Meanwell",
            "max_watts": 3000,
            "input_voltage": null,
            "output_voltage": "12-15V (adjustable)",
            "connectors": null,
            "i2c_voltage_control": false,
            "efficiency": null,
            "compatible_miners": [
                "Antminers (direct replacement possible) + firmware bypass"
            ],
            "notes": "Industrial PSU, up to 3000W, 12-15V adjustable (mechanical/analog, not Bitmain I2C). Direct replacement possible; firmware sees no I2C PSU (passthrough mode)."
        }
    ]
}