Published price
Priced from $8,380 per unit. Volume pricing is available on request.
Bitmain
Bitmain Antminer U3S21EXPH SHA-256 ASIC Miner
The U3S21EXPH is a 3U rack-mount hydro unit based on the S21e XP Hyd platform, built for rack-based hydro deployments.
Need 10, 50 or 100+ units? Request volume pricing.
- Price
- $8,380
- Hashrate
- 860 TH/s
- Algorithm
- SHA-256
- Cooling
- hydro
- Condition
- New
Bitmain Antminer U3S21EXPH: key facts
| Manufacturer | Bitmain |
|---|---|
| Model | Antminer U3S21EXPH |
| Algorithm | SHA-256 |
| Hashrate | 860 TH/s |
| Cooling | Hydro |
| Price | $8,380 |
| Condition | New |
| Availability | In stock |
Bitmain Antminer U3S21EXPH Prices & Availability
| Hashrate / capacity | Price (USD) | Configuration | Condition | Availability | |
|---|---|---|---|---|---|
| 860 TH/s | $8,380 | Hydro (3U) | New | Available |
Per-unit prices in USD from the MinersDeals price list, 25 Sep 2026. Stock and availability are confirmed when we issue your quote. Volume pricing is available.
What Is the Bitmain Antminer U3S21EXPH?
The Bitmain Antminer U3S21EXPH is a hydro-cooled SHA-256 ASIC miner made by Bitmain. MinersDeals currently lists it at 860 TH/s, priced from $8,380 (New). The U3S21EXPH is a 3U rack-mount hydro unit based on the S21e XP Hyd platform, built for rack-based hydro deployments.
The price table on this page lists every Antminer U3S21EXPH option we currently offer, with hashrate, condition, availability and price. Prices are per unit in USD. For larger orders or mixed batches, request a quote and we'll confirm current stock and volume pricing.
Bitmain Antminer U3S21EXPH Specifications
| Manufacturer | Bitmain |
|---|---|
| Model | Antminer U3S21EXPH |
| Algorithm | SHA-256 |
| Hashrate | 860 TH/s |
| Cooling | Hydro (liquid) cooling |
| Form factor | 3U rack-mount hydro |
| Mineable coins | BTC, BCH, BSV |
| Network interface | Ethernet (RJ45) |
What Can the Antminer U3S21EXPH Mine?
It mines SHA-256 coins: Bitcoin (BTC) first and foremost, and also Bitcoin Cash (BCH) and Bitcoin SV (BSV), which share the same proof-of-work algorithm.
- BTC
- BCH
- BSV
Antminer U3S21EXPH Cooling Requirements
The Bitmain Antminer U3S21EXPH is a liquid-cooled unit. It has no onboard fans for the hashboards: heat is carried away by coolant circulating through a cold plate and must be rejected by external infrastructure — typically a dry cooler, cooling tower or plate heat exchanger sized for the site's total heat load.
A hydro deployment needs a closed loop with pumps, manifolds, filtration, quick-disconnect couplings and coolant treatment. Plan for water quality control and leak detection, and match manifold sizing to the number of units per row so flow rate stays inside the manufacturer's window.
The payoff is density and acoustics. Hydro units run far quieter than air-cooled miners, tolerate higher ambient temperatures, and let operators pack substantially more hashrate into the same floor area. Heat recovery is also practical, because the rejected heat leaves the machine as warm water rather than hot air.
Bitmain Antminer U3S21EXPH Mining Profitability Calculator
Estimate the daily and monthly profitability of the Bitmain Antminer U3S21EXPH based on its hashrate, power consumption, current Bitcoin price, Bitcoin network difficulty, and your electricity cost.
- Hashrate
- 860 TH/s
Live profitability data temporarily unavailable.
Live Bitcoin price and network data could not be retrieved.
Estimated profitability for the Bitmain Antminer U3S21EXPH. Mining profitability is an estimate and can change based on cryptocurrency price, network difficulty, transaction fees, pool fees, miner uptime, hardware performance, and electricity costs. Actual results may vary.
Why Consider the Bitmain Antminer U3S21EXPH?
Hydro-cooled design
The Bitmain Antminer U3S21EXPH is a liquid-cooled unit.
Sourced & verified
Condition and availability are confirmed by MinersDeals before we issue an invoice.
Who Is the Antminer U3S21EXPH Best For?
- Hydro-cooled mining facilities
- High-density deployments
- Sites with heat-rejection infrastructure
- Operators planning heat reuse
Bitmain Antminer U3S21EXPH vs Comparable Miners
How the Bitmain Antminer U3S21EXPH compares with the closest alternatives MinersDeals supplies on hashrate, power draw, efficiency and cooling.
| Model | Hashrate | Algorithm | Power | Efficiency | Cooling | Release |
|---|---|---|---|---|---|---|
| Bitmain Antminer U3S21EXPH | 860 TH/s | SHA-256 | — | — | Hydro (liquid) cooling | — |
| Bitmain Antminer S21e XP Hyd | 430 TH/s | SHA-256 | — | — | Hydro (liquid) cooling | — |
| Bitmain Antminer S23e Hyd 2U | 865 TH/s | SHA-256 | 8650 W | 10 J/TH | Hydro (liquid) cooling | 2026 (first batches) |
| Bitmain Antminer S23 Hyd 3U | 1,160 TH/s (1.16 PH/s) | SHA-256 | 11020 W | 9.5 J/TH | Hydro (liquid) cooling | May 2025 |
Efficiency (joules per unit of hashrate) determines how long a machine stays profitable as network difficulty rises, while total power draw determines what electrical and cooling infrastructure you need per unit. A more efficient miner is not automatically the better purchase — price per terahash, availability and the cost of the cooling infrastructure it demands all feed into the decision.
If you are weighing two of these models against each other, send us your electricity rate, target quantity and site cooling type and we will model the comparison against real availability and pricing.
Bitmain Antminer U3S21EXPH Price
Current Bitmain Antminer U3S21EXPH prices are shown in the price table near the top of this page. Final pricing for larger orders depends on quantity and delivery requirements.
Buying multiple units? Ask about volume pricing.
Buy Bitmain Antminer U3S21EXPH
Looking to purchase the Bitmain Antminer U3S21EXPH? MinersDeals helps individual buyers, mining operators and enterprise customers source specialized hardware. Submit your requirements to receive current availability and pricing.
Wholesale & Bulk Antminer U3S21EXPH Orders
Planning a larger deployment? Request pricing for 10, 50, 100 or more units. MinersDeals supports hardware procurement for mining farms, hosting providers and infrastructure operators, including staged delivery across multiple sites.
Frequently Asked Questions
How much does the Bitmain Antminer U3S21EXPH cost?
MinersDeals lists the Bitmain Antminer U3S21EXPH from $8,380 per unit. 860 TH/s (New): $8,380.
What hashrate options are available for the Antminer U3S21EXPH?
We currently offer 860 TH/s.
Is the Antminer U3S21EXPH in stock?
Availability by option: 860 TH/s — Available.
What does the Antminer U3S21EXPH mine?
It uses the SHA-256 algorithm (BTC, BCH, BSV).
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Get Antminer U3S21EXPH Pricing from MinersDeals
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