{
    "meta": {
        "title": "D-Central — Antminer Hashboard Part Numbers (BHB Codes) Decoder",
        "description": "Decodes 43 Bitmain Antminer hash-board part numbers (BHB silkscreen codes): ASIC chip, host models, chips per board (only when verified), cooling class, control-board variants and a verification flag. The BHB numeric family maps to the ASIC generation (28xxx=BM1489/L7, 42xxx=BM1362/BM1366 S19-series, 56xxx=BM1366 S19k Pro, 68xxx/A3HB7xxxx=BM1368/BM1370 S21-series).",
        "generated": "2026-07-02T18:22:39+00:00",
        "version": "1.0",
        "license": "https://creativecommons.org/licenses/by/4.0/",
        "license_name": "CC BY 4.0",
        "source": "https://d-central.tech/antminer-hashboard-part-numbers/",
        "attribution": "D-Central (d-central.tech)",
        "dateModified": "2026-07-02",
        "record_count": 43,
        "count": 43,
        "provenance": "D-Central Mining Bible: model & chip catalogs and EEPROM template atlas. Rows are firmware-verified board identities cross-referenced to the model catalog; catalog-only SKUs are flagged \"catalog-verified\". Chips-per-board is populated only where independently verified, otherwise null with a note.",
        "disclaimer": "A reference, not a guarantee. BHB silkscreen codes track bins and board revisions within a family; a trailing dash marks a sub-revision (commonly an alternate-cooling or minor-rev board). Always verify the exact code against the specific board before ordering parts or a replacement."
    },
    "rows": [
        {
            "bhb_code": "BHB28501",
            "family": "BHB28xxx",
            "models": "Antminer L7 (Scrypt)",
            "asic_chip": "BM1489",
            "chips_per_board": null,
            "chips_per_board_note": "L7 hash-board per-board chip count not enumerated in the reference set",
            "cooling": "air",
            "control_board_variants": "Zynq (Xilinx) — L7 control board",
            "verification": "firmware-verified",
            "notes": "Scrypt (Litecoin/Dogecoin) hash board, not SHA-256."
        },
        {
            "bhb_code": "BHB28611",
            "family": "BHB28xxx",
            "models": "Antminer L7 (Scrypt)",
            "asic_chip": "BM1489",
            "chips_per_board": null,
            "chips_per_board_note": "L7 hash-board per-board chip count not enumerated in the reference set",
            "cooling": "air",
            "control_board_variants": "Zynq (Xilinx) — L7 control board",
            "verification": "firmware-verified",
            "notes": "Scrypt hash board variant."
        },
        {
            "bhb_code": "BHB28701",
            "family": "BHB28xxx",
            "models": "Antminer L7 (Scrypt)",
            "asic_chip": "BM1489",
            "chips_per_board": null,
            "chips_per_board_note": "L7 hash-board per-board chip count not enumerated in the reference set",
            "cooling": "air",
            "control_board_variants": "Zynq (Xilinx) — L7 control board",
            "verification": "firmware-verified",
            "notes": "Scrypt hash board variant."
        },
        {
            "bhb_code": "BHB42601",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (top bin)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Highest-bin S19j Pro board; 3 boards per unit."
        },
        {
            "bhb_code": "BHB42602",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (variant)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "catalog-verified",
            "notes": "Catalog cross-reference SKU."
        },
        {
            "bhb_code": "BHB42603",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19j Pro bin variant."
        },
        {
            "bhb_code": "BHB42611",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro+ / S19a Pro",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "High-bin S19j Pro+ / S19a Pro tier."
        },
        {
            "bhb_code": "BHB42612",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (variant)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19j Pro bin variant."
        },
        {
            "bhb_code": "BHB42621",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19j Pro bin variant."
        },
        {
            "bhb_code": "BHB42631",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (extended bin)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Extended-bin S19j Pro board (20-step tuning table)."
        },
        {
            "bhb_code": "BHB42632",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (extended bin)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Extended-bin S19j Pro board."
        },
        {
            "bhb_code": "BHB42641",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (variant)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19j Pro bin variant."
        },
        {
            "bhb_code": "BHB42651",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro (extended bin)",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Extended-bin S19j Pro board."
        },
        {
            "bhb_code": "BHB42701",
            "family": "BHB42xxx",
            "models": "Antminer S19k Pro (early batch)",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "Early-batch S19k Pro board; S19k Pro boards carry 77 chips per board (verified on BHB56902), this early SKU not independently counted",
            "cooling": "air",
            "control_board_variants": "TI AM335x (BB) / Cvitek CV1835 (CV) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Transitional early-batch S19k Pro SKU, used on the earliest S19k Pro run before the BHB56902 board became canonical."
        },
        {
            "bhb_code": "BHB42751",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro+",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) — dsPIC33EP voltage controller",
            "verification": "catalog-verified",
            "notes": "Next-gen S19j Pro+ board (catalog cross-reference)."
        },
        {
            "bhb_code": "BHB42501",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro-A",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) — dsPIC33EP voltage controller",
            "verification": "catalog-verified",
            "notes": "S19j Pro-A (Americas SKU)."
        },
        {
            "bhb_code": "BHB42511",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro-A",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) — dsPIC33EP voltage controller",
            "verification": "catalog-verified",
            "notes": "S19j Pro-A bin variant."
        },
        {
            "bhb_code": "BHB42521",
            "family": "BHB42xxx",
            "models": "Antminer S19j Pro-A",
            "asic_chip": "BM1362",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) — dsPIC33EP voltage controller",
            "verification": "catalog-verified",
            "notes": "S19j Pro-A bin variant."
        },
        {
            "bhb_code": "BHB42801",
            "family": "BHB42xxx",
            "models": "Antminer S19 XP / S19j XP",
            "asic_chip": "BM1366",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Canonical S19 XP board (BM1366, higher-voltage tune)."
        },
        {
            "bhb_code": "BHB42803",
            "family": "BHB42xxx",
            "models": "Antminer S19 XP (eco / low-voltage)",
            "asic_chip": "BM1366",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / TI AM335x (BB) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Sparse low-voltage S19 XP tuning table."
        },
        {
            "bhb_code": "BHB42811",
            "family": "BHB42xxx",
            "models": "Antminer S19 XP / S19j+",
            "asic_chip": "BM1366",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19 XP / S19j+ bin variant."
        },
        {
            "bhb_code": "BHB42821",
            "family": "BHB42xxx",
            "models": "Antminer S19 XP / S19j+",
            "asic_chip": "BM1366",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19 XP / S19j+ bin variant."
        },
        {
            "bhb_code": "BHB42831",
            "family": "BHB42xxx",
            "models": "Antminer S19j XP Plus",
            "asic_chip": "BM1366",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "S19j XP Plus air board (14-step tuning table)."
        },
        {
            "bhb_code": "BHB42841",
            "family": "BHB42xxx",
            "models": "Antminer S19j XP Plus (hydro / low-voltage)",
            "asic_chip": "BM1366",
            "chips_per_board": 110,
            "chips_per_board_note": "",
            "cooling": "air / hydro",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) — dsPIC33EP voltage controller",
            "verification": "firmware-verified",
            "notes": "Low-voltage / hydro S19j XP Plus tuning table (16-step)."
        },
        {
            "bhb_code": "BHB56801",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "S19k Pro board (later hardware identity generation)."
        },
        {
            "bhb_code": "BHB56802",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "S19k Pro bin variant."
        },
        {
            "bhb_code": "BHB56804",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "S19k Pro bin variant."
        },
        {
            "bhb_code": "BHB56804-",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro (sub-revision)",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air / hydro",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "Trailing dash marks a board sub-revision (commonly alternate cooling / minor rev)."
        },
        {
            "bhb_code": "BHB56806",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "S19k Pro bin variant."
        },
        {
            "bhb_code": "BHB56902",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": 77,
            "chips_per_board_note": "Live-verified on a running S19k Pro: 3 chains × 46.1 GH/s, 77 BM1366 chips per board",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) — APW121215f voltage rail",
            "verification": "firmware-verified",
            "notes": "Canonical, live-verified S19k Pro AML board; ~138 TH/s nameplate at ~670 MHz."
        },
        {
            "bhb_code": "BHB56902-",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro (sub-revision)",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air / hydro",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "Trailing dash marks a board sub-revision of BHB56902."
        },
        {
            "bhb_code": "BHB56903",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "S19k Pro higher-bin board."
        },
        {
            "bhb_code": "BHB56903-",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro (sub-revision)",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air / hydro",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "Trailing dash marks a board sub-revision of BHB56903."
        },
        {
            "bhb_code": "BHB56907",
            "family": "BHB56xxx",
            "models": "Antminer S19k Pro",
            "asic_chip": "BM1366",
            "chips_per_board": null,
            "chips_per_board_note": "S19k Pro boards carry 77 chips per board (verified on BHB56902); this SKU's board not independently counted",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml) / Cvitek CV1835 (CV) / Zynq (Xilinx)",
            "verification": "firmware-verified",
            "notes": "S19k Pro highest-bin board."
        },
        {
            "bhb_code": "BHB68603",
            "family": "BHB68xxx",
            "models": "Antminer S21 / S21+",
            "asic_chip": "BM1368",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less 'S21 NoPic')",
            "verification": "firmware-verified",
            "notes": "S21 / S21+ air board (BM1368)."
        },
        {
            "bhb_code": "BHB68603-",
            "family": "BHB68xxx",
            "models": "Antminer S21 / S21+ (hydro sub-revision)",
            "asic_chip": "BM1368",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air / hydro",
            "control_board_variants": "Amlogic AXG (am3-aml) / Zynq (Xilinx) hydro",
            "verification": "firmware-verified",
            "notes": "Trailing dash marks a board sub-revision (commonly hydro / immersion)."
        },
        {
            "bhb_code": "BHB68606",
            "family": "BHB68xxx",
            "models": "Antminer S21 / S21+",
            "asic_chip": "BM1368",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less 'S21 NoPic')",
            "verification": "firmware-verified",
            "notes": "S21 / S21+ bin variant."
        },
        {
            "bhb_code": "BHB68701",
            "family": "BHB68xxx",
            "models": "Antminer S21 Pro / T21",
            "asic_chip": "BM1368 / BM1370",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less 'S21 NoPic')",
            "verification": "firmware-verified",
            "notes": "S21 Pro / T21 board (higher-bin generation)."
        },
        {
            "bhb_code": "BHB68701-",
            "family": "BHB68xxx",
            "models": "Antminer S21 Pro / T21 (hydro sub-revision)",
            "asic_chip": "BM1368 / BM1370",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air / hydro",
            "control_board_variants": "Amlogic AXG (am3-aml) / Zynq (Xilinx) hydro",
            "verification": "firmware-verified",
            "notes": "Trailing dash marks a board sub-revision (commonly hydro / immersion)."
        },
        {
            "bhb_code": "BHB68703",
            "family": "BHB68xxx",
            "models": "Antminer S21 Pro / T21",
            "asic_chip": "BM1368 / BM1370",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less 'S21 NoPic')",
            "verification": "firmware-verified",
            "notes": "S21 Pro / T21 bin variant."
        },
        {
            "bhb_code": "BHB68707",
            "family": "BHB68xxx",
            "models": "Antminer S21 XP / S21 Pro",
            "asic_chip": "BM1370",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less 'S21 NoPic')",
            "verification": "firmware-verified",
            "notes": "S21 XP / S21 Pro board (BM1370)."
        },
        {
            "bhb_code": "BHB68709",
            "family": "BHB68xxx",
            "models": "Antminer S21 XP / S21 Pro",
            "asic_chip": "BM1370",
            "chips_per_board": null,
            "chips_per_board_note": "S21-generation per-board chip count not independently verified for this SKU",
            "cooling": "air",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less 'S21 NoPic')",
            "verification": "firmware-verified",
            "notes": "S21 XP / S21 Pro highest-bin board (BM1370)."
        },
        {
            "bhb_code": "A3HB7xxxx",
            "family": "A3HB7xxxx",
            "models": "Antminer S21 Pro / S21 XP (later production)",
            "asic_chip": "BM1370",
            "chips_per_board": null,
            "chips_per_board_note": "Family designation; per-board chip count not enumerated",
            "cooling": "air / hydro / immersion",
            "control_board_variants": "Amlogic AXG (am3-aml, PIC-less)",
            "verification": "catalog-verified",
            "notes": "A3HB7-prefixed boards appear on later-production S21 Pro / S21 XP units alongside the BHB68xxx numbering; the trailing digits track the specific bin/rev."
        }
    ]
}