Goldshell ASIC Lineup Reviewed: Every SC-Series Siacoin Miner Compared in 2026

TL;DR: Goldshell ASIC Lineup Reviewed in 10 Points

• The Goldshell ASIC lineup for Siacoin has five models: SC-Box, SC-Box II, SC Lite, SC5 Pro, and SC5 Pro II.
• All five mine Siacoin (SC) using the Blake2b-Sia algorithm. The SC-Box also handles SC Prime.
• The SC-Box and SC-Box II are quiet, low-power picks. They’re built for home miners, not warehouses.
• The SC5 Pro II is the new flagship. It runs 14 TH/s at around 3,300W.
• The SC5 Pro II beats the older SC5 Pro on efficiency. It drops from about 256 J/TH to around 235 J/TH.
• Real data from August 2026 showed the older SC5 Pro losing money at typical US hosting rates.
• Home units like the SC-Box II sip power at just 260 to 400W. That’s realistic for an apartment.
• Goldshell backs the whole SC-series with a 6-month factory warranty.
• EndlessMining sells the SC5 Pro II outright. It also offers a monthly hosting plan for it.
• Your pick depends on your goal: quiet home mining, farm-scale output, or hands-off hosted mining.

Goldshell ASIC Lineup Reviewed: Why Siacoin Still Deserves a Look

Bitcoin mining gets most of the spotlight. But Siacoin mining keeps quietly chugging along in the background. It’s a smaller corner of the ASIC world. That’s actually the appeal for a lot of miners.

Fewer people compete for Siacoin than for Bitcoin. That usually means calmer difficulty growth. You’re not fighting the entire planet for your share of the reward.

Goldshell has owned this niche for years now. The company built its whole SC-series around one job: mining Blake2b-Sia coins. Every machine in this Goldshell ASIC lineup is purpose-built for Siacoin. None of it is repurposed Bitcoin gear with new firmware slapped on top.

Still, not every Goldshell model fits every miner. Some units are quiet enough for a spare bedroom. Others pull farm-level power and need real ventilation. So before you spend a dollar, it helps to see the whole family side by side.

This Goldshell ASIC lineup review breaks down all five current SC-series models. We’ll cover specs, noise levels, real profitability numbers from 2026, and which model actually fits your setup. No fluff here, just the numbers you need to make a smart call.

One more thing worth knowing upfront: Siacoin itself powers a decentralized cloud storage network, not just a payment token. That gives it a use case beyond pure speculation, which is part of why the coin has stuck around this long. Miners secure that network the same way Bitcoin miners secure BTC, just on a much smaller scale.

Goldshell ASIC Lineup Reviewed: Full Spec Breakdown

Here’s the entire SC-series lined up side by side:

Model

Hashrate

Power

Efficiency

Noise

Best For

SC-Box

900 GH/s

200W

~222 J/TH

≤35dB

Ultra-quiet home mining

SC-Box II

1.9 TH/s (400W) or 1.45 TH/s low-power (260W)

260–400W

~211 J/TH

≤35dB

Home mining, more output

SC Lite

4.4 TH/s

950W

~216 J/TH

~40dB

Home miners wanting more power

SC5 Pro

11 TH/s

2,820W (2,020W low-power)

~256 J/TH

~55dB+

Farm-scale, older gen

SC5 Pro II

14 TH/s

3,300W

~235 J/TH

~55dB+

Farm-scale, current flagship

Look at the gap between the home units and the farm units. The SC-Box family sips power in the 200 to 400W range. That’s about what two gaming PCs pull. The SC5 Pro II, on the other hand, draws over 3,000W. That’s industrial territory, plain and simple.

This gap matters a lot once you think about where you’ll actually plug the thing in. A home outlet can handle an SC-Box with room to spare. A SC5 Pro II usually needs a dedicated circuit.

Every model in this Goldshell ASIC lineup ships with a 6-month factory warranty. That’s decent coverage for early failures. Just don’t expect it to stretch as far as what you’d get on a flagship Bitcoin ASIC.

Goldshell ASIC Lineup Reviewed for Home Miners: SC-Box, SC-Box II, and SC Lite

If you’re mining from home, three models matter: the SC-Box, SC-Box II, and SC Lite. Here’s the breakdown.

The SC-Box is the quietest of the bunch. It runs at 35dB or less, about as loud as a whisper. At 900 GH/s and only 200W, it won’t make you rich. But it also won’t wake up the house or spike your power bill.

Step up to the SC-Box II, and you get a real bump in hashrate. Its default mode hits 1.9 TH/s at 400W. That’s roughly double the SC-Box’s output for double the power draw. There’s also a low-power mode at 1.45 TH/s and 260W if you want a middle ground. Noise stays just as low too, which is honestly impressive.

The SC Lite sits a notch above both. It delivers 4.4 TH/s at 950W, a serious jump in output. Noise creeps up to around 40dB. That’s still fine for most rooms, but you’ll notice it if you’re working close by.

For apartment miners, the SC-Box II is probably your sweet spot. You get real hashrate gains over the base SC-Box. And you don’t cross into “that’s definitely a machine” noise territory.

One more tip: keep these units away from carpet or fabric. Dust buildup shortens fan life fast, and a clogged fan means more heat and more noise over time.

Goldshell ASIC Lineup Reviewed for Farm-Scale Mining: SC5 Pro and SC5 Pro II

Once you’re past home mining, the SC5 Pro and SC5 Pro II take over this Goldshell ASIC lineup.

Both machines pull serious power. The SC5 Pro draws 2,820W at full tilt, or 2,020W in low-power mode. The newer SC5 Pro II pulls even more at 3,300W. But it pays that power back with a real hashrate boost, jumping from 11 TH/s up to 14 TH/s.

Neither unit belongs in a spare bedroom. You need dedicated circuits, real airflow, and probably a talk with whoever pays your power bill. Noise sits around 55dB or higher under load. Think a loud fan or a window AC unit running nonstop.

If you’re running one of these at home anyway, plan for a proper space. A garage, basement, or shed with airflow works well. Farm operators already have this covered with real facility setups.

The real question with these two isn’t whether they’re capable. Both clearly are. The real question is whether the older SC5 Pro still makes financial sense next to its newer sibling. We’ll get into that math next.

Cooling deserves a quick mention too. These units run hot, and ambient room temperature affects how hard the fans have to work. A cooler space means quieter operation and less strain on the hardware over time. If your farm space runs warm in summer, factor that into your noise and airflow planning before you commit to a rack of these.

Goldshell ASIC Lineup Reviewed: Is the SC5 Pro II Worth the Upgrade?

Short answer: yes. The efficiency numbers back it up clearly.

The original SC5 Pro runs at roughly 256 joules per terahash. The SC5 Pro II tightens that up to around 235 J/TH. That’s not a massive leap on paper. But in mining, small efficiency gains add up fast over months of nonstop running.

Here’s the practical difference. At the same power rate, the SC5 Pro II squeezes more Siacoin out of every dollar spent on electricity. Combine that with a 27% higher hashrate, and the Pro II starts looking like a real upgrade. It’s not just a minor refresh.

There’s also a real-world gap worth knowing about. As of August 2026, tracking data showed the SC5 Pro running at a loss at typical hosting rates near $0.07/kWh. Power costs were eating more than the coin was worth producing. That’s a rough spot for anyone still running the older unit.

The SC5 Pro II doesn’t guarantee profit either. Siacoin’s price and network difficulty swing all the time, just like any coin does. But its better efficiency gives it a real cushion the SC5 Pro no longer has.

If you already own an SC5 Pro, it might still pay to keep running it, depending on your power rate. If you’re buying fresh in 2026, though, the SC5 Pro II is the smarter buy here, hands down.

Goldshell ASIC Lineup Reviewed: Real Profitability Numbers at US Rates

Let’s talk actual dollars. Specs alone don’t pay your electric bill.

At $0.07/kWh, a solid industrial hosting rate, the SC5 Pro II’s better efficiency puts it in a much stronger spot than its predecessor. Every terahash costs less to produce. That difference shows up directly in your monthly numbers.

Bump that rate up to a typical US residential average, somewhere around $0.13 to $0.16/kWh, and the math tightens fast. Siacoin mining gets a lot harder to justify at those rates. This hits the farm-scale machines hardest, since they’re pulling 3,000-plus watts around the clock.

The home units tell a different story, though. Because the SC-Box and SC-Box II draw so little power, their daily electricity cost stays low even at residential rates. You won’t get rich off 900 GH/s. But you also won’t bleed cash the way a 3,300W machine would at home rates.

So here’s the bottom line. If you’re running anything in the SC5 Pro family, chase down the cheapest power you can find. Or seriously consider hosting instead. If you’re mining with the smaller home units, residential rates are much easier to stomach either way.

Here’s a quick way to sanity-check any miner before you buy. Take its wattage, multiply by your kWh rate, and multiply by 24 to get your daily power cost. Compare that number against current Siacoin mining calculators before you commit. It takes five minutes and can save you from a bad purchase.

Goldshell ASIC Lineup Reviewed: Buy Outright or Host Your SC5 Pro II?

This decision gets personal fast. Buying outright means you own the hardware and keep full control. But you’re also on the hook for setup, ventilation, and noise.

Hosting flips that arrangement around. You pay a monthly fee, and someone else deals with power, cooling, and uptime. It’s the hands-off route.

EndlessMining sells the SC5 Pro II directly. It also runs a hosting plan for it, with a monthly fee plus a one-time signup cost. If your home setup can’t handle 3,300W comfortably, hosting solves that problem right away.

Hosting locks in a predictable monthly cost too. That matters if your local electricity rate runs high or unpredictable. Industrial hosting facilities usually get better power rates than residential customers ever will. So the math often favors hosting for farm-scale machines like the SC5 Pro II.

On the flip side, buying outright and running it yourself skips the ongoing monthly fee once you’ve covered the upfront cost. If you’ve already got cheap power and the physical space ready, ownership can pay off better over time.

There’s no universal right answer here. Run your own numbers using your actual electricity rate first. Then decide.

Think about your time too, not just your dollars. Owning hardware means you handle every hiccup yourself, from firmware updates to a stuck fan at 2am. Hosting hands that headache to someone else. For a lot of first-time SC5 Pro II buyers, that peace of mind is worth the monthly fee on its own.

Goldshell ASIC Lineup Reviewed: Setup and Maintenance Basics

Getting any Goldshell miner running is fairly simple. Plug it into power, connect it to your network with an Ethernet cable, and point it at a Siacoin mining pool through the web dashboard. Most miners start hashing within 15 minutes.

Placement matters more than people expect. Keep your unit somewhere with steady airflow and away from dust-heavy areas like carpeted rooms. Dust is the biggest silent killer of ASIC fans. A dead fan means overheating fast.

Check your miner’s dashboard weekly if you can. Watch for dropped hashrate, rising temperatures, or fan speeds stuck at max. Catching a problem early is way cheaper than replacing a hashboard later.

For the SC5 Pro and SC5 Pro II, think about your circuit setup before the miner even arrives. A standard household outlet often can’t handle the draw safely. Get a dedicated circuit checked out first, ideally by someone who knows what they’re doing.

Clean your intake fans every month or two if you’re running a home unit like the SC-Box II. A quick blast of compressed air keeps dust from building up inside. It’s a five-minute job that adds real months to your hardware’s life.

Keep an eye out for firmware updates too. Goldshell pushes updates now and then to improve stability or tweak efficiency. They’re usually a quick install through the same dashboard you already use to monitor your miner, so there’s no real excuse to skip them.

Goldshell ASIC Lineup Reviewed: Which Model Should You Actually Buy?

Let’s cut through it and match models to miners.

Go with the SC-Box if you want to dip a toe into Siacoin mining without much commitment. It’s cheap to run, whisper-quiet, and won’t stress your power setup at all.

Go with the SC-Box II if you want real hashrate gains over the base SC-Box while keeping that same low noise. This is probably the best all-around pick for home miners in this Goldshell ASIC lineup.

Go with the SC Lite if you’ve got a dedicated space, even just a spare room, and want more output than the SC-Box II without jumping to farm-scale power draws.

Go with the SC5 Pro II if you’re running a real operation, have access to cheap industrial power, or plan to host through a provider instead of running it at home. Skip the older SC5 Pro unless you’re grabbing it at a steep discount with cheap electricity already locked in.

Whichever model you land on, run the profitability math against your actual power rate first. Siacoin’s price moves around, and your electric bill won’t care what the spec sheet promised.

One last thought: don’t buy based on hashrate alone. A bigger number looks great on paper, but it means nothing if your power costs eat the profit before it ever reaches your wallet. Match the machine to your actual setup, not just the spec sheet, and you’ll come out ahead more often than not.

Goldshell ASIC Lineup Reviewed: Frequently Asked Questions

Is Siacoin mining still profitable in 2026?

It depends on your electricity rate and which model you’re running. Home units like the SC-Box II stay affordable even at residential rates, thanks to their low wattage. Farm-scale units like the SC5 Pro II need cheaper industrial power, ideally under $0.10/kWh, to stay comfortably profitable. The older SC5 Pro has been running at a loss at typical hosting rates as of mid-2026. So profitability really comes down to your specific setup and power cost.

How loud is the Goldshell SC5 Pro II?

Expect noise around 55dB or higher under full load. That’s similar to a running window AC unit or a loud desk fan. It’s too loud for most bedrooms or living spaces. If you’re running it at home, plan on a garage, basement, or another separate space with decent airflow.

Can Goldshell SC-series miners mine coins other than Siacoin?

Mostly, no. Every current SC-series model runs the Blake2b-Sia algorithm and mines Siacoin specifically. The SC-Box is a slight exception, since it can also mine SC Prime. Outside of that, these are dedicated Siacoin machines. They’re not flexible multi-coin miners like some other ASIC brands offer.

What’s the real difference between the SC-Box and SC-Box II?

The SC-Box II roughly doubles the hashrate of the original SC-Box. It jumps from 900 GH/s up to 1.9 TH/s in default mode. Power draw goes up too, from 200W to 400W, though a lower-power 260W mode is available. Noise stays nearly identical between the two. So you’re really just trading a bit more power draw for a lot more hashrate.

Should I buy the SC5 Pro II or just host it?

If you don’t have cheap electricity or a proper space for a 3,300W machine, hosting is usually the safer call. It locks in predictable monthly costs and skips the noise and heat problem entirely. If you already have low-cost power and the physical setup is ready, buying outright can pay off better in the long run, since you skip ongoing hosting fees.

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