Whatsminer M60S: The MicroBT Mid-Range Alternative

Specs

MicroBT's Whatsminer M60S shipped in 2024 and remains in 2026 a mid-range reference. Positioned just below the Antminer S21 Pro on efficiency, it's also noticeably cheaper.

Spec	Value
Hashrate	172 TH/s ±3%
Power	3,240 W ±5%
Efficiency	18.8 J/TH
Cooling	Air (4 integrated fans)
Dimensions	425 × 195 × 290 mm
Weight	14.5 kg
Power supply	Integrated PSU
Connectivity	Ethernet RJ45
Nominal noise	75 dB(A)
Max ambient temperature	35 °C
New price 2026	~$4,200 ($24.4/TH)

The M60S is the direct heir of the M50S line — proven formula. MicroBT has a strong reputation for durability in industrial environments (farms in Texas, Kazakhstan, Russia).

Performance vs Antminer

Head-to-head with the Antminer S21 Pro:

Criterion	M60S	S21 Pro
Hashrate	172 TH/s	234 TH/s
Power	3,240 W	3,850 W
Efficiency	18.8 J/TH	16.5 J/TH
Price per TH	$24.4/TH	$25.6/TH
ROI (hashprice $50, elec $0.058)	~33 months	~31 months

The M60S is 14% less efficient than the S21 Pro but 5% cheaper per TH. At high hashprice (60+ $/PH/day), the S21 Pro takes the edge thanks to its better efficiency. At low hashprice (< 40 $/PH/day), the two are close and the M60S wins on raw ROI.

Choosing between them depends on your forward hashprice scenario — an uncertainty no calculator can cleanly resolve. See Bitcoin Mining Profitability 2026 for scenario sensitivity.

Noise and reliability

75 dB(A) air-cooled — same as the S21 Pro. No practical difference for residential deployment: forbidden in both cases.

On reliability, MicroBT has a solid track record. Several industry studies (Hashrate Index, BraiinsPool) show an MTBF slightly above equivalent Antminer models — ~10% more on average across 24 months of continuous operation. Not huge, but real.

Stock firmware is less open than Bitmain's: fewer third-party firmwares available. For most operators that's not an issue; for those wanting to overclock/undervolt, it's a limit.

MicroBT after-sales

European MicroBT support runs through authorized resellers. Major EU distributors (asicminer.fr, captainmining, mineshop.eu) handle RMA and OEM warranty (1 year on new, typically extended to 24 months in hosting contracts).

Key points:

• Typical RMA delay: 4–8 weeks (EU → China → EU)
• Return shipping at customer cost generally
• Warranty active if serial number is traceable and machine isn't modified (third-party firmware = warranty void)

For a professional hosting deployment, the host handles warranty in bulk, so you don't manage it directly.

Verdict

The Whatsminer M60S is the right budget pick when the S21 Pro is over budget or out of stock.

Advantages:

• Competitive $/TH price ($24.4/TH)
• MicroBT field reliability
• Structured EU distribution
• Suitable for standard air hosting

Limits:

• 18.8 J/TH efficiency < S21 Pro (16.5 J/TH)
• Too loud for residential (like all air ASICs)
• Hashprice-sensitive
• Less open firmware than Bitmain

Consider it if:

• Budget < $4,500 per machine
• You want to diversify your fleet (not 100% Bitmain)
• You deploy on a MicroBT partner site (easier support)

See New vs Refurbished ASIC for the M60S used market (already active in 2026 on US sites renewing fleet).

Back to: Bitcoin ASIC guide, Antminer S21 Pro review.

Disclaimer: Bitcoin mining carries a risk of capital loss. Profitability numbers rest on hashprice and electricity rate assumptions current to 2026, which may vary significantly.

In the field — Q1 2026

Reference deployment (Washington Site, 16 M60S units, $0.071/kWh hosting)

• Cumulative hashrate: 2,752 TH/s
• Daily gross revenue: $108
• Electricity/hosting cost: $87
• Gross margin: ~$21/day, i.e. $630/month on the fleet
• Projected payback: ~5.3 years at this rate — borderline acceptable

Observed reliability

• Over 120 days of monitoring: 1 defective hash board (out of 48 boards total) → RMA via EU distributor, machine returned, replaced in 4 weeks
• Zero PSU failures
• No thermal throttling observed (temperate sites)

Common mistake: confusing M60S and M60S+ 17W

• M60S: 172 TH/s at 18.8 J/TH (~$4,200)
• M60S+ 17W: 206 TH/s at 17 J/TH (~$5,000)

Second-hand resellers frequently mix these two. Verify the technical spec on the SKU before purchase — the ~$25/TH delta only justifies the difference long-term with electricity ≤ $0.075/kWh.

MicroBT after-sales in Europe: field experience

For the reference deployment, the RMA involved:

1. Diagnosis via EU distributor (asicminer.fr) — 3 days
2. MicroBT RMA approval — 5 days (English correspondence)
3. Return shipping to China — 21 days
4. Replacement machine received — 35 days total

That's ~3 weeks more than equivalent Bitmain RMAs through the same channels — factor this into total operating cost.