{"product_id":"osmu-naja-duo-solo-bitcoin-miner-4-4-th-s","title":"OSMU Naja Duo Solo Bitcoin Miner · 4.4 TH\/s","description":"\u003cp\u003e\u003cstrong\u003eTwo BM1373 chips. Around 4.4 TH\/s. Under 10 J\/TH. A new generation of open-source desktop mining.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Bitaxe Naja Duo is a compact \u003cstrong\u003edual-chip SHA-256 ASIC miner\u003c\/strong\u003e built around two of Bitmain’s new \u003cstrong\u003eBM1373 ASIC chips\u003c\/strong\u003e. At stock settings, the Naja Duo delivers approximately \u003cstrong\u003e4.4 TH\/s\u003c\/strong\u003e while consuming around \u003cstrong\u003e42W\u003c\/strong\u003e, giving it an efficiency of approximately \u003cstrong\u003e9.5 J\/TH\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eCompared with the previous generation of single-chip BM1370 miners at approximately \u003cstrong\u003e1.2 TH\/s\u003c\/strong\u003e, the Naja Duo delivers roughly \u003cstrong\u003e3.5× the hashrate\u003c\/strong\u003e while also improving performance per watt. Two independently monitored ASICs, a substantially larger cooling system, a dedicated multi-phase power stage, and AxeOS management make it one of the most capable compact open-source miners of its generation.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🚀 Dual BM1373 ASICs\u003c\/h3\u003e\n\n\u003cp\u003eAt the heart of the Naja Duo are \u003cstrong\u003etwo Bitmain BM1373 ASIC chips\u003c\/strong\u003e. Instead of relying on a single ASIC, both chips operate together to produce approximately \u003cstrong\u003e4.4 TH\/s at stock settings\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASICs:\u003c\/strong\u003e 2× Bitmain BM1373\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock hashrate:\u003c\/strong\u003e approximately 4.4 TH\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock power consumption:\u003c\/strong\u003e approximately 42W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock efficiency:\u003c\/strong\u003e approximately 9.5 J\/TH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchitecture:\u003c\/strong\u003e dual-chip SHA-256\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis gives the Naja Duo substantially more hashing performance than previous-generation single-chip desktop miners without moving into the size, power consumption, heat output, and noise associated with conventional industrial ASIC hardware.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⚡ A major step up from the BM1370 generation\u003c\/h3\u003e\n\n\u003cp\u003eThe Naja Duo represents a substantial jump in both performance and efficiency compared with the previous generation of compact BM1370-based miners.\u003c\/p\u003e\n\n\u003cp\u003eA typical single-chip BM1370 miner delivers approximately \u003cstrong\u003e1.2 TH\/s\u003c\/strong\u003e while consuming around \u003cstrong\u003e17W\u003c\/strong\u003e. The Naja Duo combines \u003cstrong\u003etwo BM1373 ASICs\u003c\/strong\u003e to deliver approximately \u003cstrong\u003e4.4 TH\/s at around 42W\u003c\/strong\u003e, with stock efficiency of approximately \u003cstrong\u003e9.5 J\/TH\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\"\u003eBM1370 Single-Chip\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 8px; border-bottom: 1px solid #ddd;\"\u003eBitaxe Naja Duo\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eASICs\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e1× BM1370\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003e2× BM1373\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eHashrate\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e~1.2 TH\/s\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003e~4.4 TH\/s\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e~17W\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003e~42W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e~14–17 J\/TH\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003e~9.5 J\/TH\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eIn practical terms, the Naja Duo produces roughly \u003cstrong\u003e3.5× the hashrate\u003c\/strong\u003e of a typical single-chip BM1370 miner while also delivering significantly better performance per watt.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⚡ More hashrate per watt\u003c\/h3\u003e\n\n\u003cp\u003eThe upgrade is not simply about adding a second ASIC. The BM1373 generation also provides a meaningful improvement in \u003cstrong\u003eenergy efficiency\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eAt approximately 4.4 TH\/s and 42W, the Naja Duo operates at around \u003cstrong\u003e9.5 J\/TH\u003c\/strong\u003e at stock settings. That means considerably more hashing performance can be produced from a relatively modest amount of electrical power.\u003c\/p\u003e\n\n\u003cp\u003eFor a dual-chip desktop miner, this combination of performance and efficiency makes the Naja Duo particularly well suited to continuous home, office, lab, and enthusiast use.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🔥 Serious tuning and overclocking potential\u003c\/h3\u003e\n\n\u003cp\u003eThe Naja Duo has considerably more performance available beyond its stock configuration. The dual-BM1373 platform has been tested at settings producing approximately \u003cstrong\u003e8 TH\/s\u003c\/strong\u003e, although reaching this level requires significantly more power and places much greater demands on cooling.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock:\u003c\/strong\u003e ~4.4 TH\/s at ~42W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested overclock:\u003c\/strong\u003e up to ~8 TH\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverclocked power:\u003c\/strong\u003e approximately 92W at the tested 8 TH\/s configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested frequency:\u003c\/strong\u003e up to approximately 600 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested core voltage:\u003c\/strong\u003e approximately 1120 mV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOverclocking results are not guaranteed.\u003c\/strong\u003e Every ASIC behaves slightly differently due to the silicon lottery. Increasing frequency or voltage also increases power consumption and heat output, so tuning should always be performed gradually while monitoring temperatures, power draw, and hardware stability.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🌡️ Individual ASIC temperature monitoring\u003c\/h3\u003e\n\n\u003cp\u003eEach BM1373 has its own \u003cstrong\u003etemperature monitoring\u003c\/strong\u003e, allowing the miner to monitor the thermal condition of each ASIC independently.\u003c\/p\u003e\n\n\u003cp\u003eThis is especially useful on a dual-chip platform. Rather than relying on a single general temperature measurement, the system can identify differences between the two ASICs and provide better visibility when tuning the miner.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIndividual temperature monitoring for both ASICs\u003c\/li\u003e\n\u003cli\u003eReal-time thermal information\u003c\/li\u003e\n\u003cli\u003eBetter visibility during tuning and overclocking\u003c\/li\u003e\n\u003cli\u003eTemperature-aware fan management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e❄️ Large low-profile cooling system\u003c\/h3\u003e\n\n\u003cp\u003eCooling two BM1373 ASICs requires significantly more thermal capacity than a conventional single-chip Bitaxe. The Naja Duo therefore uses a large \u003cstrong\u003elow-profile heatsink spanning the ASIC area\u003c\/strong\u003e together with active PWM fan cooling.\u003c\/p\u003e\n\n\u003cp\u003eThe larger heatsink and fan provide the thermal capacity required for continuous operation while also giving enthusiasts additional cooling headroom for performance tuning.\u003c\/p\u003e\n\n\u003cp\u003ePWM fan control allows cooling performance to respond dynamically to operating temperature rather than simply running the fan at full speed continuously.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⛏️ Built for Bitcoin and SHA-256 mining\u003c\/h3\u003e\n\n\u003cp\u003eThe Naja Duo performs \u003cstrong\u003eSHA-256 hashing\u003c\/strong\u003e and can be configured for Bitcoin mining through compatible mining pools or solo-mining infrastructure.\u003c\/p\u003e\n\n\u003cp\u003eIt provides real ASIC mining hardware in a compact format that can operate independently without requiring a dedicated computer.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRun your own dedicated ASIC miner\u003c\/li\u003e\n\u003cli\u003eConnect to your preferred compatible mining pool\u003c\/li\u003e\n\u003cli\u003eUse it with solo-mining infrastructure\u003c\/li\u003e\n\u003cli\u003eMonitor both ASICs directly from the miner\u003c\/li\u003e\n\u003cli\u003eRun continuously at relatively low power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSolo mining remains probabilistic and finding a Bitcoin block with a small miner is rare, but every valid hash produced by the miner is a genuine attempt at discovering a block.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🎯 Ideal for solo mining\u003c\/h3\u003e\n\n\u003cp\u003eWith approximately \u003cstrong\u003e4.4 TH\/s at stock settings\u003c\/strong\u003e, the Naja Duo provides substantially more hashing power than previous-generation single-chip desktop miners while retaining the compact and accessible nature of the Bitaxe platform.\u003c\/p\u003e\n\n\u003cp\u003eFor solo miners, this means more hashing attempts every second without requiring an industrial miner drawing hundreds or thousands of watts.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eApproximately 4.4 trillion hashes per second at stock settings\u003c\/li\u003e\n\u003cli\u003eCompact desktop format\u003c\/li\u003e\n\u003cli\u003eLow power consumption compared with industrial ASIC miners\u003c\/li\u003e\n\u003cli\u003eIndependent operation once configured\u003c\/li\u003e\n\u003cli\u003eCompatible with solo-mining infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🖥️ 1.9\" full-color display\u003c\/h3\u003e\n\n\u003cp\u003eThe integrated \u003cstrong\u003e1.9\" color LCD\u003c\/strong\u003e provides real-time information directly on the device instead of requiring you to constantly open the web interface.\u003c\/p\u003e\n\n\u003cp\u003eThe 170 × 320 display can show important operating information including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCurrent hashrate\u003c\/li\u003e\n\u003cli\u003eASIC temperatures\u003c\/li\u003e\n\u003cli\u003ePower information\u003c\/li\u003e\n\u003cli\u003eMining status\u003c\/li\u003e\n\u003cli\u003eBest difficulty\u003c\/li\u003e\n\u003cli\u003eNetwork information\u003c\/li\u003e\n\u003cli\u003eIP address\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDedicated \u003cstrong\u003eBoot\u003c\/strong\u003e and \u003cstrong\u003eReset\u003c\/strong\u003e buttons are also accessible directly on the board.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🌐 Built-in AxeOS web interface\u003c\/h3\u003e\n\n\u003cp\u003eThe Naja Duo runs \u003cstrong\u003eesp-miner firmware with the AxeOS web interface\u003c\/strong\u003e, providing browser-based configuration and monitoring directly from the miner.\u003c\/p\u003e\n\n\u003cp\u003eOnce connected to your network, AxeOS provides access to:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMining configuration\u003c\/li\u003e\n\u003cli\u003ePool settings\u003c\/li\u003e\n\u003cli\u003eFrequency and voltage settings\u003c\/li\u003e\n\u003cli\u003ePer-chip temperature monitoring\u003c\/li\u003e\n\u003cli\u003eFan control\u003c\/li\u003e\n\u003cli\u003ePerformance monitoring\u003c\/li\u003e\n\u003cli\u003eSystem logs\u003c\/li\u003e\n\u003cli\u003eFirmware management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNo dedicated desktop application is required. Configuration and monitoring are handled directly through a web browser.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e📶 WiFi connectivity\u003c\/h3\u003e\n\n\u003cp\u003eThe Naja Duo connects over \u003cstrong\u003e2.4 GHz WiFi\u003c\/strong\u003e, allowing it to operate as a self-contained network-connected miner without requiring an Ethernet cable or dedicated computer.\u003c\/p\u003e\n\n\u003cp\u003eOnce configured, the miner operates independently and only requires power and network access.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🔧 ESP32-S3 controller\u003c\/h3\u003e\n\n\u003cp\u003eThe control system is built around an \u003cstrong\u003eESP32-S3\u003c\/strong\u003e, handling WiFi connectivity, the display, AxeOS management, and communication with both BM1373 ASICs.\u003c\/p\u003e\n\n\u003cp\u003eA dedicated \u003cstrong\u003eUSB-C connection\u003c\/strong\u003e is available for firmware flashing and recovery, making it possible to update or reflash the miner when required.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⚡ Dedicated dual-chip power system\u003c\/h3\u003e\n\n\u003cp\u003eTwo BM1373 ASICs require a considerably stronger power delivery system than a conventional single-chip miner. The Naja Duo uses a dedicated \u003cstrong\u003emulti-phase voltage regulation system\u003c\/strong\u003e designed for the increased current requirements of its dual-chip architecture.\u003c\/p\u003e\n\n\u003cp\u003eThe miner operates from a \u003cstrong\u003e12V DC power source\u003c\/strong\u003e and uses a robust \u003cstrong\u003eXT30 power connector\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis gives the platform sufficient electrical headroom for stock operation while also supporting significantly higher power levels when experimenting with advanced tuning.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🔄 A new generation of compact ASIC mining\u003c\/h3\u003e\n\n\u003cp\u003eThe move from BM1370 to BM1373 is more than a simple frequency increase. The newer ASIC generation provides substantially more hashing performance together with improved energy efficiency.\u003c\/p\u003e\n\n\u003cp\u003eThe Naja Duo takes that further by combining \u003cstrong\u003etwo BM1373 chips\u003c\/strong\u003e on a single compact platform. At stock settings, it delivers approximately \u003cstrong\u003e4.4 TH\/s at around 42W\u003c\/strong\u003e, compared with approximately \u003cstrong\u003e1.2 TH\/s\u003c\/strong\u003e from a typical previous-generation single-chip BM1370 miner.\u003c\/p\u003e\n\n\u003cp\u003eFor users moving up from the BM1370 generation, the Naja Duo offers a considerable increase in raw hashrate, improved efficiency, independent ASIC temperature monitoring, a stronger power system, and substantially more tuning headroom.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e📊 Key specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Bitaxe Naja Duo 1201\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlgorithm:\u003c\/strong\u003e SHA-256\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASICs:\u003c\/strong\u003e 2× Bitmain BM1373\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock hashrate:\u003c\/strong\u003e ~4.4 TH\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock power consumption:\u003c\/strong\u003e ~42W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock efficiency:\u003c\/strong\u003e ~9.5 J\/TH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested overclock:\u003c\/strong\u003e up to ~8 TH\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested overclock power:\u003c\/strong\u003e ~92W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature monitoring:\u003c\/strong\u003e Individual sensing for both ASICs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController:\u003c\/strong\u003e ESP32-S3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware:\u003c\/strong\u003e esp-miner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManagement:\u003c\/strong\u003e AxeOS web interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 1.9\" color LCD, 170 × 320\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Boot and Reset buttons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e 2.4 GHz WiFi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB:\u003c\/strong\u003e USB-C for firmware flashing and recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower input:\u003c\/strong\u003e 12V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower connector:\u003c\/strong\u003e XT30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Large low-profile heatsink with active PWM fan cooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower regulation:\u003c\/strong\u003e Multi-phase VRM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⚠️ A note on performance figures\u003c\/h3\u003e\n\n\u003cp\u003eASIC performance varies from unit to unit due to the silicon lottery. Hashrate, power consumption, efficiency, temperature, and maximum stable frequency may therefore differ slightly between devices.\u003c\/p\u003e\n\n\u003cp\u003eThe approximately \u003cstrong\u003e4.4 TH\/s at 42W\u003c\/strong\u003e figures represent typical stock operation. Higher-performance settings should be considered enthusiast tuning rather than guaranteed operating specifications.\u003c\/p\u003e\n\n\u003cp\u003eWhen tuning, increase frequency and voltage gradually and always monitor ASIC temperatures, power consumption, and hardware error rates.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eTwo BM1373 ASICs. Around 4.4 TH\/s at stock. Approximately 9.5 J\/TH. Dual-chip open-source mining in a compact desktop platform.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Yggdrill","offers":[{"title":"Stock (AXP90-X47)","offer_id":58586007634303,"sku":"YGG-000062","price":5699.0,"currency_code":"SEK","in_stock":true},{"title":"Copper (AXP90 X53)","offer_id":58586007667071,"sku":"YGG-000065","price":6299.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7353\/2287\/files\/yggdrill-naja-duo-bm1373-bitcoin-miner_255ef2f7-f8be-445a-8be8-368d9a345879.png?v=1790807359","url":"https:\/\/yggdrill.com\/products\/osmu-naja-duo-solo-bitcoin-miner-4-4-th-s","provider":"Yggdrill","version":"1.0","type":"link"}