MicroBT
Model: Whatsminer M70
214 TH/s air cooled SHA-256 Bitcoin miner at 3,140W and 14.67 J/TH efficiency, the base bin entry point of MicroBT's M70 standard voltage air cooled tier in the M70 generation. Manufacturer headline spec runs 14.5 J/TH across the broader 214 to 236 TH/s binning range per Blockspace Media launch coverage. Positioned below the mid bin M70S (226 to 258 TH/s at 13.5 J/TH) and top bin M70S+ (244 to 280 TH/s at 12.5 J/TH) across an identical 430 x 155 x 226 mm chassis. Lowest per unit acquisition cost in the M70 series for volume fleet buyers whose binding constraint is hardware budget. Runs on 220 to 240V single phase power available in most commercial and dedicated residential settings, with no three phase infrastructure required. Same compact 13.5 kg chassis as M70S and M70S+. Ships with PSU, 360 day MicroBT warranty, and free DDP worldwide from MillionMiner.
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Worldwide
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Hashrate
214 TH/s
Power
3140 W
Efficiency
14.67 J/TH
Noise
75 dB
Based on current BTC price & network difficulty. Indicative only.
| Period | Daily | Weekly | Monthly |
|---|---|---|---|
|
Income
|
$7.99 | $55.93 | $239.70 |
|
Electricity
|
-$6.03 | -$42.21 | -$180.90 |
|
Profit
|
$1.96 | $13.72 | $58.80 |
Using 0.080 $/kWh · Network difficulty as of today. Estimates only.
Adjust rate in the bar aboveUpdated daily. Last refresh: May 08, 2026. Estimates at $0.08/kWh.
Contents may vary by batch. Exact items listed in order confirmation.
Connect PSU to miner and plug into the outlet
Connect ethernet cable to your router or switch
Find miner IP via router admin or IP scanner tool
Open web interface, enter pool URL and wallet — start mining
Our mining specialists can help you find the perfect miner for your setup and budget.
Base bin of the M70 single phase air cooled tier at lowest per unit acquisition cost. Maximum units per hardware budget.
Minimum capital risk to test MicroBT hardware. Same firmware, build quality, and support as the M79S immersion top tier.
Standard commercial circuits, no three phase, no transformers. Same compact 13.5 kg chassis as M70S and M70S+ with identical firmware.
Tell us what you need and our team will send you a customized ASIC miner hosting quote
Tell us your miner model (or quantity), your target electricity rate, and we will send a hosting cost breakdown within 24 hours.
The M70 produces 214 TH/s of SHA-256 hashrate at 3,140W and 14.67 J/TH efficiency in the MillionMiner rated specification. Manufacturer headline specs per Blockspace Media, Zeus Mining, and Hashrate Index document the broader binning range at 214 to 236 TH/s and 14.5 J/TH efficiency. MicroBT rates the unit at plus or minus 3 percent hashrate tolerance. Real world output depends on batch binning, ambient temperature, and operating conditions.
Same 3,140W rated power draw across all three variants. Same 430 x 155 x 226 mm chassis, same 13.5 kg weight, same 220 to 240V single phase requirements, same Whatsminer firmware. Hashrate and efficiency differences come from chip binning. M70 base (this product): 214 to 236 TH/s at 14.5 J/TH. M70S mid: 226 to 258 TH/s at 13.5 J/TH. M70S+ top: 244 to 280 TH/s at 12.5 J/TH. The M70 trades 12 percent hashrate versus the M70S+ for correspondingly lower acquisition cost. For operators whose binding constraint is hardware budget rather than operating efficiency, the M70 puts more units in the deployment per dollar of capital spent.
Three scenarios favor the M70. First: hardware budget is the binding constraint rather than electricity cost, common in early stage operations where capital is scarce. Second: deployment horizon is short enough (under 2 years) that acquisition cost savings outweigh lifetime efficiency penalty. Third: electricity rate is cheap enough (below $0.04 per kWh) that the daily efficiency gap between bins is small in absolute dollar terms. Additionally: first time MicroBT buyers testing the M70 ecosystem with minimum capital risk before scaling. If none of these apply, higher bin options typically win on total lifetime fleet economics.
No. Base bin chips are not inferior manufacturing. They come from the same silicon wafers, same production line, and same chip design as top bin. Only tested performance grade differs during post fabrication quality sorting. Base bin chips may actually last longer than top bin under extended deployment because lower clock frequencies reduce thermal stress per chip. For multi year deployments where hardware longevity matters alongside acquisition cost, some fleet operators deliberately choose base bin silicon.
Yes, this is one of the M70's strongest positioning angles. All M70 generation variants share identical Whatsminer firmware, management interface, pool configuration format, fleet management tools, and support ecosystem. Testing the M70 validates your electrical infrastructure, ventilation, hosting setup, operational workflows, pool integration, and monitoring stack with minimum capital commitment. Once the platform proves itself in your operation, scale to any M70 variant (M70S, M70S+, or jump to liquid cooled M73, M76, M78, M79 series) without changing your operational tooling or workflows.
220 to 240V single phase commercial or residential power through a C19 power cable connection. At 240V: approximately 13 amps continuous draw at 3,140W. Fits within standard 20 amp circuits with headroom. Works on European Schuko outlets (230V), UK BS 1363 (230V with rated adapters), and most international 220 to 240V infrastructure. In North America: requires 240V NEMA 6 or NEMA L6 outlets, available in commercial settings and accessible through dedicated residential circuits. Does not require three phase power, step up transformers, or specialized electrical upgrades.
Yes, with appropriate infrastructure and noise tolerance. Requirements: dedicated 220 to 240V 20 amp circuit, dedicated mining space separate from living areas due to 75 dB noise output, adequate ventilation to dissipate 3.1 kW continuous thermal load. Deploy in garages, basements with sound insulation, outbuildings, or dedicated mining rooms. Not suitable for living spaces without industrial grade sound insulation. Home deployments at $0.10+ per kWh typically run marginal or negative when accounting for hardware depreciation, so verify your electricity rate supports net positive operation before committing.
At MillionMiner's $0.08 per kWh onsite calculator: $6.98 daily revenue, $6.03 electricity, $0.95 net profit per day. Tight margins at standard rates. At $0.07 per kWh industrial rates: $5.28 daily electricity, netting $1.70 daily. At $0.04 per kWh negotiated industrial rates: $3.01 daily electricity, netting $3 to $4 daily profit per unit. Home deployments at $0.10 per kWh: approximately $0.33 daily profit per unit, which typically runs net negative after hardware depreciation. Economic viability at scale requires industrial electricity below $0.06 per kWh.
Any SHA-256 proof of work cryptocurrency. Bitcoin (BTC) is the primary target. Other compatible coins include Bitcoin Cash (BCH), Bitcoin SV (BSV), Fractal Bitcoin (FB), and DigiByte (DGB SHA-256 chain). Merged mining BTC alongside BCH and BSV through supporting pools like ViaBTC and F2Pool adds marginal secondary revenue without reducing Bitcoin hashrate contribution.
Run the acquisition cost versus daily electricity savings math with your specific supplier pricing. Model the per unit price gap between bins against daily efficiency savings at your electricity rate across your expected deployment horizon. If the per unit price gap between M70 and M70S+ is less than $800 at your supplier, upgrading to top bin typically wins at $0.06 per kWh industrial rates over 3 year deployments. At smaller price gaps, higher bins always win. At larger gaps, the M70 strengthens. Alternatively, mix bins within the same fleet: majority M70 for capital efficiency, some M70S+ units where efficiency matters most.
Yes. All three M70 variants share identical chassis, power requirements, and Whatsminer firmware. Mix bins freely within fleets based on fleet deployment strategy. Common pattern: majority M70 units for capital efficiency with some higher bin units in specific slots where efficiency matters most. Fleet management handles mixed bin deployments transparently through unified Whatsminer firmware dashboards.
Residential or small commercial setup. Step one: verify 220 to 240V circuit with 20 amp capacity. Step two: ensure adequate ventilation in deployment space. Step three: connect PSU to outlet using the included C19 power cable. Step four: connect Ethernet cable to router or switch. Step five: power on, find miner IP through router DHCP client list or IP scanner tool, open web interface, configure pool URL and Bitcoin wallet, verify hashrate reaches 208+ TH/s within 10 to 15 minutes.
75 dB is standard industrial ASIC noise, comparable to a vacuum cleaner at close range. Not suitable for residential living spaces, bedrooms, home offices, or shared office environments. Appropriate deployment locations include dedicated mining rooms, garages with proper ventilation, basements with sound insulation, outbuildings or sheds, shipping container installations, warehouse mining operations, and professional hosting facilities.
3,140W per unit produces roughly 10,700 BTU of heat per hour. A 10 unit deployment generates 31.4 kW of continuous heat requiring exhaust ventilation sized to the load. Ventilation design should target at least 3 to 5 complete air changes per hour, with exhaust capacity scaled to total fleet thermal output plus 25 to 30 percent margin for hot weather operation.
Standard air cooled ASIC maintenance. Monthly fan cleaning with compressed air. Quarterly hashboard connector inspection. Semi annual firmware updates. Continuous ambient temperature monitoring to keep the unit within the 5 to 45 degree Celsius operating range. Every 18 to 24 months at full duty cycle, expect at least one fan replacement per unit. Budget 3 to 5 percent of acquisition cost annually for replacement fans and parts.
Any Stratum compatible Bitcoin pool. Foundry USA leads by network share. F2Pool has the longest operational track record and supports merged mining. AntPool remains popular across MicroBT fleets. ViaBTC offers accumulation mode payouts reducing daily variance. For small fleet deployments, pool selection matters less than in large scale operations where negotiated fees become available.
MicroBT's 360 day factory warranty on the complete machine covers manufacturing defects and hardware failures under normal operation within specified environmental ranges. Warranty exclusions include damage from inadequate cooling or ventilation, operation outside the 5 to 45 degree Celsius range, power surge damage from inadequate electrical protection, physical mishandling, and unauthorized firmware modifications. Warranty coverage is identical across all M70 bin variants.
Yes. MillionMiner operates managed hosting facilities with 220 to 240V single phase service and ventilation infrastructure capable of supporting M70 deployments. Hosted deployment eliminates facility infrastructure CapEx. Professional hosting at negotiated industrial rates often beats self hosting when full infrastructure costs are included, particularly for operators without access to industrial electricity below $0.06 per kWh. Contact MillionMiner sales through the Get a Quote button for hosting pricing, capacity availability, and deployment timelines.
Generally no, and potentially positively. Base bin chips run at lower clock frequencies than top bin silicon, which reduces per chip thermal stress over extended operational life. Some fleet operators deliberately choose base bin for multi year deployments where hardware longevity matters alongside peak efficiency. All M70 variants use identical silicon from the same production run, so structural durability differences are nonexistent. Reliability differences between bins are small compared to differences between cooling approaches (hydro versus immersion versus air).
Within MicroBT's M70 standard voltage air cooled tier: the Whatsminer M70S at 226 to 258 TH/s is the mid bin upgrade path, and M70S+ at 244 to 280 TH/s is the top bin option for operators prioritizing efficiency. Cross family at MicroBT: M72 and M72S cover the 4 kW industrial voltage air tier on three phase, M76 series covers the 5.2 kW immersion tier, M73 series covers rack mount hydro, M78 and M79 series cover higher power liquid cooling tiers. Cross brand single phase alternatives: the Antminer S21+ at 235 TH/s, Antminer S21 XP at 270 TH/s and 13.5 J/TH, Canaan Avalon A16XP at 12.8 J/TH provide vendor diversification. For algorithm diversification, the Antminer KS7 at 45 TH/s covers Kaspa mining on separate infrastructure. MillionMiner's ASIC hosting service accepts M70 units at negotiated industrial electricity rates.