{"meta":{"title":"D-Central \u2014 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":"2026-08-09T17:17:11+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":"2026-08-09","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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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) \u2014 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 \u00d7 46.1 GH\/s, 77 BM1366 chips per board","cooling":"air","control_board_variants":"Amlogic AXG (am3-aml) \u2014 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."}]}