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Is Mining on ASICs Worth It? - Mining Adventure Part 3

Linus Tech Tips@LinusTechTips2.2M viewsJan 30, 201812:14
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Thanks to Skillshare for sponsoring this video! Get your first 3 months of Skillshare for $0.99 at skl.sh This offer is valid until Feb 15th! Mining was for a long time a GPU only game, but with ASIC miners seemingly everywhere these days, are they actually profitable? Buy ASICs (or maybe dont?): Amazon: geni.us Discuss on the forum: linustechtips.com Our Affiliates, Referral Programs, and Sponsors: linustechtips.com Linus Tech Tips merchandise at designbyhumans.com Linus Tech Tips posters at crowdmade.com Our production gear: geni.us Twitter - twitter.com Facebook - @LinusTech Instagram - @linustech Twitch - twitch.tv Intro Screen Music Credit: Title: Laszlo - Supernova Video Link: youtube.com iTunes Download Link: itunes.apple.com Artist Link: soundcloud.com Outro Screen Music Credit: Approaching Nirvana - Sugar High youtube.com Sound effects provided by freesfx.co.uk

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The video opens with an explanation of how mining has evolved from CPU and GPU setups to purpose-built hardware, focusing on ASIC miners like the Bitmain Antminer S9, the L3 Plus for script coins such as Litecoin, and the D3 for X11 coins like Dash. It covers the core concept of ASICs: they are designed to perform a single hashing function extremely efficiently, which dramatically increases network hashing power and, consequently, the overall mining difficulty. The hosts discuss historical context, noting early GPU efficiency and how ASICs shifted profitability and market dynamics, including supply challenges and the rise of pre-orders. They also acknowledge the broader ecosystem, mentioning industry players and the rapid adoption that followed, while underlining the risk and capital considerations for buyers and not-yet-profitable setups. By introducing hands-on setup demonstrations and a live profitability check, the segment sets up the practical question: are ASIC miners worth it for a given budget and electricity cost? In the core section, the hosts physically examine and assemble the three ASIC models, highlighting the hardware differences and the importance of proper cooling and power delivery. They explain how ASICs differ from GPUs in terms of versatility, efficiency, and the need for specialized power supplies, noting potential noise and reliability considerations. The video then transitions into a live test phase, where they power the S9, L3 Plus, and D3, connect them to a mining pool, and monitor initial performance. They discuss practical constraints such as pre-order wait times, high initial costs, and the real-world profitability model that hinges on electricity costs and market prices for mined coins. The practical takeaway begins to crystallize: ASICs can deliver better ROI and smaller physical footprint under the right pricing and circumstances, but they come with higher risk if market conditions shift or equipment becomes obsolete. By the final segment, the video presents a retrospective profitability snapshot after installation and a short period of mining. They report the S9 mining Bitcoin Cash at roughly 30 to 46 dollars per day after electricity, with a projected payback around two and a half months under the tested conditions, while the L3 Plus shows a roughly eight-month ROI given its higher upfront cost. The D3’s X11 performance is described as more variable due to lower initial efficiency, with a seven to nine dollar daily yield after power, translating to a longer payback period. The hosts synthesize the findings into a practical conclusion: ASIC mining offers higher density, easier management, and potentially faster ROI, but it comes with higher upfront risk and dependency on the continued profitability of the mined coins. They warn that ASICs have limited resale value outside mining and can become expensive paperweights if profitability declines. The segment closes by reiterating that price, local electricity costs, and market conditions are the deciding factors when choosing between ASICs and GPUs for a mining setup.

Topics · technology · cryptocurrency · hardware · finance · market-dynamics

Questions answered

What is the main advantage of ASIC miners over GPUs for mining Bitcoin and other SHA-256 coins?
ASIC miners are designed to perform a single hashing function extremely efficiently, resulting in much higher hash rates per watt and a smaller physical footprint compared to GPUs, which are versatile but less efficient for a single algorithm.
Why can ASIC profitability be risky even if initial ROI looks favorable?
Because ASICs depend heavily on the continued profitability of the mined coins, electricity costs, and market demand; if coin prices fall or difficulty rises faster than expected, the equipment can become a poor investment and may have limited resale value outside mining.
What factors should a buyer consider before purchasing an ASIC like the D3, S9, or L3 Plus?
Consider price and availability, electricity cost, hash rate, power consumption, potential ROI timeframe, noise, cooling requirements, and the risk of obsolescence due to rising difficulty or newer models.