{"id":23273,"date":"2024-06-04T13:03:06","date_gmt":"2024-06-04T11:03:06","guid":{"rendered":"https:\/\/www.bitshopper.de?post_type=product&#038;p=23273"},"modified":"2026-05-18T17:49:28","modified_gmt":"2026-05-18T15:49:28","slug":"compac-a1","status":"publish","type":"product","link":"https:\/\/www.bitshopper.de\/en\/shop\/gekkoscience-en\/compac-a1\/","title":{"rendered":"GekkoScience Compac A1 \u2013 Dual-ASIC Bitcoin USB Stick Miner with 350\u2013500 GH\/s"},"content":{"rendered":"<h2>GekkoScience Compac A1 \u2013 Dual-ASIC Bitcoin USB Stick Miner with 350\u2013500 GH\/s<\/h2>\n<p>The <strong>GekkoScience Compac A1<\/strong> is the current generation of dual-ASIC USB stick miners for Bitcoin and other SHA-256 coins \u2013 coming with a <strong>signature slim, bright blue design<\/strong> with a compact form factor that&#8217;s compatible with all standard cooling solutions. Out of the box it delivers a stable <strong>baseline hashrate of around 350 GH\/s<\/strong>; with the bundle variant (fan adapter and Sunon performance fan included) and overclocking, <strong>up to 500 GH\/s<\/strong> is achievable.<\/p>\n<p>Inside sit <strong>two AntMiner BM1362 ASICs<\/strong> \u2013 the exact same chips used in Bitmain&#8217;s Antminer S19j Pro series. Unlike its predecessor the Compac F, which was designed primarily as an overclocking stick, the Compac A1 was engineered from the ground up for <strong>stable continuous operation even on regular USB ports<\/strong> \u2013 making it a sound choice for beginners without sacrificing headroom for experienced miners. According to the manufacturer, it does this at <strong>up to 70% lower power consumption than the Compac F<\/strong> at comparable hashrates.<\/p>\n<p>Two more firsts in this generation: <strong>clock rate and core voltage are software-adjustable for the first time<\/strong> (via console parameter or Java API), and a <strong>comprehensive telemetry package<\/strong> reads PCB and ASIC temperature live, performing an automatic safety shutdown on critical overheating. The Compac A1 is therefore the first GekkoScience stick miner to enable genuinely dashboard- and monitoring-friendly mining.<\/p>\n<h3>Key benefits at a glance<\/h3>\n<ul>\n<li><strong>350 GH\/s baseline hashrate<\/strong>, with fan bundle and overclocking <strong>up to 500 GH\/s<\/strong>.<\/li>\n<li><strong>2\u00d7 BM1362 ASIC chip<\/strong> \u2013 same chip family as the Antminer S19j Pro.<\/li>\n<li><strong>Stable on regular USB ports in baseline mode<\/strong> \u2013 no need to invest in an overclocker hub right away, unlike the predecessor.<\/li>\n<li><strong>Up to 70% lower power consumption than the Compac F<\/strong> at comparable hashrate (manufacturer claim).<\/li>\n<li><strong>Software-adjustable clock and core voltage<\/strong> via console parameter or Java API \u2013 no soldering, no microswitches.<\/li>\n<li><strong>Integrated ASIC temperature monitoring<\/strong> with automatic safety shutdown on overheat.<\/li>\n<li><strong>Real-time telemetry<\/strong> \u2013 voltage, PCB temperature, hashrate and status accessible via CGMiner API or Java interface.<\/li>\n<li><strong>On-board 5 V fan header<\/strong> (2-pin) for standard 4 cm fans, powered directly from the miner \u2013 no external supply needed.<\/li>\n<li><strong>Efficiency \u2248 30 W\/TH<\/strong> across the operating range.<\/li>\n<li><strong>Slim, bright blue design<\/strong>, compact form factor, compatible with all standard cooling solutions.<\/li>\n<li><strong>Cross-platform:<\/strong> Windows (32\/64-bit), Linux (x86 \/ ARM, including Raspberry Pi), macOS.<\/li>\n<li><strong>Ships from Germany<\/strong> \u2013 fast EU delivery, English- and German-language support and illustrated setup guides.<\/li>\n<\/ul>\n<h3>Who is the Compac A1 for?<\/h3>\n<p>The Compac A1 is the <strong>most versatile choice in the current USB stick mining segment<\/strong> \u2013 explicitly suitable for <strong>beginners<\/strong> who don&#8217;t want to invest in a smart hub setup straight away. In baseline mode it runs stably on a normal USB port of a laptop or desktop and delivers around 350 GH\/s \u2013 perfect for learning, experimenting and solo lottery mining. Those who want more can crank it up with the fan adapter and overclocking to a hashrate of up to 500 GH\/s and use the telemetry set for a controlled deployment \u2013 which also makes the A1 the right tool for <strong>experienced miners<\/strong>, solo-mining hobbyists and small home mining setups.<\/p>\n<h3>Technical specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: left;\">Hashrate (Baseline)<\/th>\n<td>\u2248 350 GH\/s on a regular USB port<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Hashrate (max.)<\/th>\n<td>up to 500 GH\/s (with fan bundle &amp; overclocking)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">ASIC-Chips<\/th>\n<td>2\u00d7 AntMiner BM1362 (also used in Antminer S19j Pro)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Algorithm<\/th>\n<td>SHA-256 \/ SHA256d (Bitcoin, Bitcoin Cash, etc.)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Efficiency<\/th>\n<td>\u2248 30 W\/TH (= 0.030 W\/GH)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Power consumption<\/th>\n<td>5\u201320 W per USB port (depending on clock &amp; voltage); up to 70% lower than the Compac F at comparable hashrate (manufacturer claim)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Clock rate<\/th>\n<td>software-adjustable (CGMiner console parameter or Java API)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Core voltage<\/th>\n<td>software-adjustable \u2013 no soldering, no hardware tweaking<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Telemetry \/ monitoring<\/th>\n<td>PCB \/ ASIC temperature sensor, automatic safety shutdown, voltage \/ hashrate \/ status readout<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Fan header<\/th>\n<td>2-pin 5 V on-board for standard 4 cm fans<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">USB port requirement<\/th>\n<td>Baseline: a regular USB port on a PC\/laptop is sufficient; overclocking &amp; 500 GH\/s: a powered USB hub with 5 V \/ 2\u20134 A per port is recommended<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Cooling<\/th>\n<td>Large aluminium heatsink; active fan cooling required at higher clocks<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Housing<\/th>\n<td>slim, bright blue design, compact form factor, ~18 mm in height<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Operating systems<\/th>\n<td>Windows (32\/64-bit), Linux (x86 \/ ARM, Raspberry Pi), macOS<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Mining software<\/th>\n<td>Modified CGMiner build (by Kano)<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Variants<\/th>\n<td>with fan adapter (incl. Sunon performance fan) \/ without fan adapter<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Manufacturer<\/th>\n<td>GekkoScience LLC, Shelbina, Missouri, USA<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left;\">Weight<\/th>\n<td>30 g ohne L\u00fcfteradapter\/ 66 g mit L\u00fcfteradapter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Package contents<\/h3>\n<ul>\n<li>1\u00d7 GekkoScience Compac A1 USB stick miner in PP plastic packaging<\/li>\n<li>Bundle variant: additionally fan adapter with Sunon performance fan (for higher hashrates up to ~500 GH\/s)<\/li>\n<\/ul>\n<h3>What else do I need?<\/h3>\n<ul>\n<li>A <strong>host PC<\/strong> or Raspberry Pi running Windows, Linux or macOS.<\/li>\n<li>For <strong>baseline operation (~350 GH\/s)<\/strong>: a regular USB port on a PC or laptop is sufficient.<\/li>\n<li>For <strong>overclocking and higher hashrates up to 500 GH\/s<\/strong>: a powered USB hub with strong power delivery (5 V, 2\u20134 A per port). Recommended: <a href=\"https:\/\/www.bitshopper.de\/shop\/gekkoscience\/7-port-usb-hub\/\">GekkoScience 7-port USB hub<\/a> or GekkoScience Smart Hub.<\/li>\n<li>A <strong>4 cm fan<\/strong> for active cooling \u2013 included in the bundle variant.<\/li>\n<li>A <strong>Bitcoin mining pool account<\/strong> (solo pool, public solo CKPool, Braiins, F2Pool, Ocean, etc.) and a Bitcoin wallet address for payouts.<\/li>\n<\/ul>\n<p>Note: due to the 18 mm height of the heatsink, not all ports on a USB hub may be usable simultaneously, depending on the hub model.<\/p>\n<h3>Setup &amp; instructions<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.bitshopper.de\/support\/anleitungen\/compac-a1\/compac-a1-inbetriebnahme-windows\/\">Compac A1 setup on Windows<\/a><\/li>\n<li><a href=\"https:\/\/www.bitshopper.de\/support\/anleitungen\/compac-a1\/compac-a1-inbetriebnahme-linux-raspberry-pi\/\">Compac A1 setup on Linux \/ Raspberry Pi<\/a><\/li>\n<li><a href=\"https:\/\/www.bitshopper.de\/support\/anleitungen\/compac-a1\/compac-a1-inbetriebnahme-mac\/\">Compac A1 setup on macOS<\/a><\/li>\n<\/ul>\n<h2>Frequently Asked Questions (FAQ) about the GekkoScience Compac A1<\/h2>\n<h3>What is the GekkoScience Compac A1?<\/h3>\n<p>The GekkoScience Compac A1 is the current <strong>dual-ASIC<\/strong> generation of Bitcoin <strong>USB stick miners<\/strong>, coming with a signature slim blue design. It delivers around 350 GH\/s baseline hashrate on a regular USB port; with the fan bundle and overclocking up to 500 GH\/s. Inside are two BM1362 ASIC chips (same family as the Antminer S19j Pro), clock and voltage are software-adjustable, and an integrated telemetry package monitors temperature and hashrate. It is controlled via the CGMiner mining software and is ideal for solo Bitcoin mining, Bitcoin lottery mining and educational projects.<\/p>\n<h3>How many GH\/s does the Compac A1 deliver?<\/h3>\n<p>The Compac A1 delivers around 350 GH\/s baseline, stable on a regular USB port. With the fan adapter from the bundle variant and software overclocking (via CGMiner console parameter or Java API), up to 500 GH\/s is achievable.<\/p>\n<h3>Can you earn Bitcoin with the Compac A1?<\/h3>\n<p>In classic pool mining the earnings of a single 500 GH\/s device are modest and, at European electricity prices, generally below the cost of power. The Compac A1 is therefore mainly used for <strong>solo (&#8220;lottery&#8221;) mining<\/strong>, for <strong>learning<\/strong>, and for <strong>home setups with multiple sticks<\/strong>. A successful solo block still pays out the full block reward.<\/p>\n<h3>How much power does it consume?<\/h3>\n<p>Power draw is between <strong>5 W and roughly 20 W<\/strong> per USB port, depending on software-set clock speed and core voltage. Average efficiency is around <strong>30 W\/TH<\/strong>. According to the manufacturer, the Compac A1 runs at up to 70% lower power consumption than the Compac F at comparable hashrates.<\/p>\n<h3>What software do I need for the Compac A1?<\/h3>\n<p>The Compac A1 runs on a GekkoScience-specific modified version of the <strong>CGMiner<\/strong> mining software (build by Kano). Clock rate, core voltage and status are controlled and queried via console parameter or via the included Java API \u2013 no soldering, no hardware tweaking.<\/p>\n<h3>What monitoring and telemetry features does the Compac A1 offer?<\/h3>\n<p>The Compac A1 ships with a comprehensive telemetry package for the first time. It measures <strong>PCB and ASIC temperature<\/strong> live, allows real-time <strong>core voltage<\/strong> adjustment, exposes <strong>hashrate and status via API<\/strong>, and performs an automatic <strong>safety shutdown<\/strong> on critical overheating. Ideal for custom dashboards, logging and temperature-based fan control.<\/p>\n<h3>Funktioniert der Compac A1 am Raspberry Pi?<\/h3>\n<p>Yes. The Compac A1 runs on Linux x86 as well as Linux ARM, making it fully compatible with the <strong>Raspberry Pi<\/strong>. For baseline operation (~350 GH\/s) the stick can be connected to a USB port on the Pi if the Pi has a sufficiently powerful PSU. For stable continuous operation and overclocking, a powered USB hub with its own power supply is recommended.<\/p>\n<h3>Do I need a powered USB hub?<\/h3>\n<p>For <strong>baseline operation<\/strong> (~350 GH\/s) a <strong>regular USB port<\/strong> on a PC or laptop is sufficient \u2013 a key difference from the Compac F. For <strong>overclocking and hashrates up to 500 GH\/s<\/strong>, however, a powered USB hub with 5 V and 2\u20134 A per port is recommended, e.g. the <a href=\"https:\/\/www.bitshopper.de\/shop\/gekkoscience\/7-port-usb-hub\/\">GekkoScience 7-port USB hub<\/a> or the GekkoScience Smart Hub.<\/p>\n<h3>Do I need a fan?<\/h3>\n<p>The Compac A1 has an <strong>integrated 2-pin 5 V fan header<\/strong> directly on-board. That allows standard 4 cm fans to be powered directly from the miner without an external supply. The bundle variant ships with a high-quality Sunon performance fan included \u2013 it improves cooling and enables overclocking up to 500 GH\/s.<\/p>\n<h3>Which cryptocurrencies can I mine with the Compac A1?<\/h3>\n<p>All coins based on the <strong>SHA-256 algorithm (SHA256d)<\/strong> \u2013 first and foremost <strong>Bitcoin (BTC<\/strong>), plus e.g. Bitcoin Cash (BCH) and other SHA-256 forks.<\/p>\n<h3>How is the Compac F different from the Compac A1?<\/h3>\n<p>The Compac A1 is the successor to the Compac F and brings four major improvements: <strong>higher hashrate<\/strong> (350 GH\/s baseline \/ up to 500 GH\/s OC vs 200\u2013350 on the Compac F), <strong>stable operation on regular USB ports<\/strong> (the Compac F required a powered hub by default), <strong>software-controlled clock and voltage<\/strong> (vs hardware voltage regulator on the F), and <strong>integrated temperature monitoring<\/strong> with auto-shutdown. According to the manufacturer, it does all of that at up to 70% lower power consumption.<\/p>\n<h3>Where does the Compac A1 ship from?<\/h3>\n<p>bitshopper.de ships the Compac A1 from <strong>Germany<\/strong>. There are no additional customs charges within the EU; outside the EU, import duties and taxes may apply.<\/p>\n<h3>Is English-language support available?<\/h3>\n<p>Yes. bitshopper offers e-mail support in English (<a href=\"mailto:info@bitshopper.de\">info@bitshopper.de<\/a>) and provides illustrated step-by-step setup guides for Windows, Linux\/Raspberry Pi and macOS.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bitcoin USB-Stick Miner GekkoScience Compac A1 300-500 GH\/s &#8211; Clock rate and core voltage software adjustable. Software telemetry available.<\/p>\n","protected":false},"featured_media":23277,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[257,33],"product_tag":[39,83,43],"class_list":{"0":"post-23273","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-gekkoscience-en","7":"product_cat-usb-miner-bitcoin","8":"product_tag-bitcoin-en","9":"product_tag-miner-en","10":"product_tag-usb-en","11":"product_shipping_class-xs","13":"first","14":"outofstock","15":"sale","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-variable"},"group_of_quantity":0,"min_quantity":0,"max_quantity":"","exclude_order_quantity_value_rules":"no","exclude_category_quantity_rules":"no","combine_variations":"no","acf":{"product_faqs":[{"faq_question":"What is the GekkoScience Compac A1?","faq_active":true,"faq_answer":"The GekkoScience Compac A1 is the current dual-ASIC generation of Bitcoin USB stick miners, coming with a signature slim blue design. It delivers around 350 GH\/s baseline hashrate on a regular USB port; with the fan bundle and overclocking up to 500 GH\/s. Inside are two BM1362 ASIC chips (same family as the Antminer S19j Pro), clock and voltage are software-adjustable, and an integrated telemetry package monitors temperature and hashrate. It is controlled via the CGMiner mining software and is ideal for solo Bitcoin mining, Bitcoin lottery mining and educational projects.   "},{"faq_question":"How many GH\/s does the Compac A1 deliver?","faq_active":true,"faq_answer":"The Compac A1 delivers around 350 GH\/s baseline, stable on a regular USB port. With the fan adapter from the bundle variant and software overclocking (via CGMiner console parameter or Java API), up to 500 GH\/s is achievable. "},{"faq_question":"Can you earn Bitcoin with the Compac A1?","faq_active":true,"faq_answer":"In classic pool mining the earnings of a single 500 GH\/s device are modest and, at European electricity prices, generally below the cost of power. The Compac A1 is therefore mainly used for solo (\"lottery\") mining, for learning, and for home setups with multiple sticks. A successful solo block still pays out the full block reward.  "},{"faq_question":"How much power does it consume?","faq_active":true,"faq_answer":"Power draw is between 5 W and roughly 20 W per USB port, depending on software-set clock speed and core voltage. Average efficiency is around 30 W\/TH. According to the manufacturer, the Compac A1 runs at up to 70% lower power consumption than the Compac F at comparable hashrates.  "},{"faq_question":"What software do I need for the Compac A1?","faq_active":true,"faq_answer":"The Compac A1 runs on a GekkoScience-specific modified version of the CGMiner mining software (build by Kano). Clock rate, core voltage and status are controlled and queried via console parameter or via the included Java API \u2013 no soldering, no hardware tweaking. "},{"faq_question":"What monitoring and telemetry features does the Compac A1 offer?","faq_active":true,"faq_answer":"The Compac A1 ships with a comprehensive telemetry package for the first time. It measures PCB and ASIC temperature live, allows real-time voltage adjustment, exposes hashrate and status via API, and performs an automatic safety shutdown on critical overheating. Ideal for custom dashboards, logging and temperature-based fan control.  "},{"faq_question":"Funktioniert der Compac A1 am Raspberry Pi?","faq_active":true,"faq_answer":"Yes. The Compac A1 runs on Linux x86 as well as Linux ARM, making it fully compatible with the Raspberry Pi. For baseline operation (~350 GH\/s) the stick can be connected to a USB port on the Pi if the Pi has a sufficiently powerful PSU. For stable continuous operation and overclocking, a powered USB hub with its own power supply is recommended.    "},{"faq_question":"Do I need a powered USB hub?","faq_active":true,"faq_answer":"For baseline operation (~350 GH\/s) a regular USB port on a PC or laptop is sufficient \u2013 a key difference from the Compac F. For overclocking and hashrates up to 500 GH\/s, however, a powered USB hub with 5 V and 2\u20134 A per port is recommended, e.g. the GekkoScience 7-port USB hub or the GekkoScience Smart Hub."},{"faq_question":"Do I need a fan?","faq_active":true,"faq_answer":"The Compac A1 has an integrated 2-pin 5 V fan header directly on-board. That allows standard 4 cm fans to be powered directly from the miner without an external supply. The bundle variant ships with a high-quality Sunon performance fan included \u2013 it improves cooling and enables overclocking up to 500 GH\/s.  "},{"faq_question":"Which cryptocurrencies can I mine with the Compac A1?","faq_active":true,"faq_answer":"All coins based on the SHA-256 algorithm (SHA256d) \u2013 first and foremost Bitcoin (BTC), plus e.g. Bitcoin Cash (BCH) and other SHA-256 forks."},{"faq_question":"How is the Compac A1 different from the Compac F?","faq_active":true,"faq_answer":"The Compac A1 is the successor to the Compac F and brings four major improvements: higher hashrate (350 GH\/s baseline \/ up to 500 GH\/s OC vs 200\u2013350 on the Compac F), stable operation on regular USB ports (the Compac F required a powered hub by default), software-controlled clock and voltage (vs hardware voltage regulator on the F), and integrated temperature monitoring with auto-shutdown. According to the manufacturer, it does all of that at up to 70% lower power consumption. "},{"faq_question":"Where does the Compac A1 ship from?","faq_active":true,"faq_answer":"bitshopper.de ships the Compac A1 from Erlangen, Germany. There are no additional customs charges within the EU; outside the EU, import duties and taxes may apply. "},{"faq_question":"Is English-language support available?","faq_active":true,"faq_answer":"Yes. bitshopper offers e-mail support in English (<g id=\"gid_0\">info@bitshopper.de<\/g>) and provides illustrated step-by-step setup guides for Windows, Linux\/Raspberry Pi and macOS. "}],"product_faqs_source":{"label":"FAQs","type":"repeater","formatted_value":[{"faq_question":"What is the GekkoScience Compac A1?","faq_active":true,"faq_answer":"The GekkoScience Compac A1 is the current dual-ASIC generation of Bitcoin USB stick miners, coming with a signature slim blue design. It delivers around 350 GH\/s baseline hashrate on a regular USB port; with the fan bundle and overclocking up to 500 GH\/s. Inside are two BM1362 ASIC chips (same family as the Antminer S19j Pro), clock and voltage are software-adjustable, and an integrated telemetry package monitors temperature and hashrate. It is controlled via the CGMiner mining software and is ideal for solo Bitcoin mining, Bitcoin lottery mining and educational projects.   "},{"faq_question":"How many GH\/s does the Compac A1 deliver?","faq_active":true,"faq_answer":"The Compac A1 delivers around 350 GH\/s baseline, stable on a regular USB port. With the fan adapter from the bundle variant and software overclocking (via CGMiner console parameter or Java API), up to 500 GH\/s is achievable. "},{"faq_question":"Can you earn Bitcoin with the Compac A1?","faq_active":true,"faq_answer":"In classic pool mining the earnings of a single 500 GH\/s device are modest and, at European electricity prices, generally below the cost of power. The Compac A1 is therefore mainly used for solo (\"lottery\") mining, for learning, and for home setups with multiple sticks. A successful solo block still pays out the full block reward.  "},{"faq_question":"How much power does it consume?","faq_active":true,"faq_answer":"Power draw is between 5 W and roughly 20 W per USB port, depending on software-set clock speed and core voltage. Average efficiency is around 30 W\/TH. According to the manufacturer, the Compac A1 runs at up to 70% lower power consumption than the Compac F at comparable hashrates.  "},{"faq_question":"What software do I need for the Compac A1?","faq_active":true,"faq_answer":"The Compac A1 runs on a GekkoScience-specific modified version of the CGMiner mining software (build by Kano). Clock rate, core voltage and status are controlled and queried via console parameter or via the included Java API \u2013 no soldering, no hardware tweaking. "},{"faq_question":"What monitoring and telemetry features does the Compac A1 offer?","faq_active":true,"faq_answer":"The Compac A1 ships with a comprehensive telemetry package for the first time. It measures PCB and ASIC temperature live, allows real-time voltage adjustment, exposes hashrate and status via API, and performs an automatic safety shutdown on critical overheating. Ideal for custom dashboards, logging and temperature-based fan control.  "},{"faq_question":"Funktioniert der Compac A1 am Raspberry Pi?","faq_active":true,"faq_answer":"Yes. The Compac A1 runs on Linux x86 as well as Linux ARM, making it fully compatible with the Raspberry Pi. For baseline operation (~350 GH\/s) the stick can be connected to a USB port on the Pi if the Pi has a sufficiently powerful PSU. For stable continuous operation and overclocking, a powered USB hub with its own power supply is recommended.    "},{"faq_question":"Do I need a powered USB hub?","faq_active":true,"faq_answer":"For baseline operation (~350 GH\/s) a regular USB port on a PC or laptop is sufficient \u2013 a key difference from the Compac F. For overclocking and hashrates up to 500 GH\/s, however, a powered USB hub with 5 V and 2\u20134 A per port is recommended, e.g. the GekkoScience 7-port USB hub or the GekkoScience Smart Hub."},{"faq_question":"Do I need a fan?","faq_active":true,"faq_answer":"The Compac A1 has an integrated 2-pin 5 V fan header directly on-board. That allows standard 4 cm fans to be powered directly from the miner without an external supply. The bundle variant ships with a high-quality Sunon performance fan included \u2013 it improves cooling and enables overclocking up to 500 GH\/s.  "},{"faq_question":"Which cryptocurrencies can I mine with the Compac A1?","faq_active":true,"faq_answer":"All coins based on the SHA-256 algorithm (SHA256d) \u2013 first and foremost Bitcoin (BTC), plus e.g. Bitcoin Cash (BCH) and other SHA-256 forks."},{"faq_question":"How is the Compac A1 different from the Compac F?","faq_active":true,"faq_answer":"The Compac A1 is the successor to the Compac F and brings four major improvements: higher hashrate (350 GH\/s baseline \/ up to 500 GH\/s OC vs 200\u2013350 on the Compac F), stable operation on regular USB ports (the Compac F required a powered hub by default), software-controlled clock and voltage (vs hardware voltage regulator on the F), and integrated temperature monitoring with auto-shutdown. According to the manufacturer, it does all of that at up to 70% lower power consumption. "},{"faq_question":"Where does the Compac A1 ship from?","faq_active":true,"faq_answer":"bitshopper.de ships the Compac A1 from Erlangen, Germany. There are no additional customs charges within the EU; outside the EU, import duties and taxes may apply. "},{"faq_question":"Is English-language support available?","faq_active":true,"faq_answer":"Yes. bitshopper offers e-mail support in English (<g id=\"gid_0\">info@bitshopper.de<\/g>) and provides illustrated step-by-step setup guides for Windows, Linux\/Raspberry Pi and macOS. "}]}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>GekkoScience Compac A1 Dual ASIC USB-Stick Miner 350\u2013500 GH\/s<\/title>\n<meta name=\"description\" content=\"GekkoScience Compac A1 Dual-ASIC USB Stick Miner with 2\u00d7 BM1362: 350 GH\/s baseline, up to 500 GH\/s with fan bundle. 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