Name: Proto rig A4 Ultra Hydro
Brand: Proro Rig
SKU: SKU-1592
Price: 1920 USD
Availability: InStock

A4 Ultra Hydro ASIC miner primary product view

Proro Rig Proto rig A4 Ultra Hydro — PRO4 additional product view 1

Proro Rig Proto rig A4 Ultra Hydro — PRO3 additional product view 2

Proro Rig Proto rig A4 Ultra Hydro — PRO2 additional product view 3

Proto rig A4 Ultra Hydro

● In Stock 🔐 SHA-256 ✅ PSU Included

Choose Your Purchase Option

$1,920 USD

The Proro Rig A4 Ultra Hydro is a high-performance ASIC miner operating on the SHA-256 algorithm. It delivers an impressive hashrate of 886 TH/s with a power consumption of 8372W. Featuring an optimal energy efficiency ratio of 9.449j/Th, this unit is built for professional mining operations.

📈 Estimated ROI Breakeven 234 days

Gross $28.33

Electricity -$20.09 Daily power cost based on $0.10/kWh.

Daily Net +$8.24

Monthly Net +$247.12

Annual Net
+$3,006.58

Service & Ownership

🚚 Delivery

Ship Hardware

100% Machine (Excl. Shipping)

$1,920

⭐ Most Popular

Host & Own (1-Yr)

100% Ownership + Farm

$1,920

🏷️ Save 50%

1-Yr Hashrate Lease

Pure Mining (No Machine)

$960

📦

You own the device. We test and ship it to your address. Profit uses the $0.10/kWh residential benchmark; you can enter your local rate below. Shipping and customs are calculated separately.

⚡

You own the device; we operate it for one year. At contract end, have it shipped to you or request a market-price buyback. $0.050/kWh electricity, 20% management and 5% pool fees are deducted daily. The 1% setup fee is deducted once in the first month only.

🌐

Mining power only — no device ownership. The lease ends after 365 days, with no hardware to ship or sell. $0.050/kWh electricity, 20% management and 5% pool fees are deducted daily. The 1% setup fee is deducted once in the first month only.

Contract Duration	12 Months
Hosting Location	China Data Center
Electricity Rate	$0.05 / kWh · −$10.05 / day
Management Fee	20% · −$5.67 / day
Mining Pool Fee	5% · −$1.42 / day
Setup Fee	1% · −$8.50 once in the first 30-day cycle
Total Daily Operating Deductions	−$17.13 / day (setup excluded)
Activation Time	Within 1 Business Day After Purchase
Payout Schedule	Every 30 Days From Device Activation
Estimated Daily Hosted Profit	+$11.20 / day
Estimated First 30-Day Hosted Profit	+$327.53 / first month
Estimated 1-Year Hosted Profit	+$4,088.40 / year
Hardware Ownership	The hardware belongs to the customer and can be shipped after the contract ends.

View Live Profits, Hosting Plan & Agreement

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Device Certificate

📋

Specifications

Full technical specifications and hardware parameters for A4 Ultra Hydro.

Model

A4 Ultra Hydro

Shipping Date

—

Algorithm

SHA-256

Hashrate

886 TH/s ±5%

Power Consumption

8372 W ±2%

Power Efficiency

9.449j/Th

Noise Level

50 dB

Dimensions (L×W×H)

580 × 360 × 320 mm

Net Weight

19.80 kg

Cooling Fans

Network Interface

Ethernet - wifi

Operating Temp.

5°C – 45°C

Operating Humidity

5% – 95%

Supported Coins

⚡

Profit Calculator

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⚠️ Estimates based on current network difficulty and live prices. Results may vary.

📜

Policies & Guidelines

Warranty, shipping, and purchasing information

🛒 Purchasing Guidelines ▼

Official Purchasing & Payment Guarantee:

Sole Brand Authenticity: All hardware ordered directly from official store Proro Rig or authorized partners is 100% guaranteed authentic, factory-sealed, and registered under official serial tracking.
Approved Payment Options: We accept Bank Transfer & Bitcoin, subject to the methods displayed at checkout.
Order-Linked Payment: Payment instructions are generated for the confirmed order and must be verified before funds are sent.
Automated Commercial Invoicing: Every order generates an official PDF Commercial Invoice containing full corporate credentials, tax details, and serial numbers.
Batch Allocation & Price Lock: Order payments lock your price and reserve hardware units directly from the active production batch.

🛡️ Warranty Policy ▼

Factory Warranty & After-Sales Coverage:

12-Month Factory Warranty: Brand-new ASIC miners include a full 365-day factory warranty covering hashboard components, PSU failures, control boards, and cooling fans.
180-Day Certified Refurbished Warranty: Certified pre-owned or tested units include a 180-day warranty accompanied by a full hardware diagnostic report.
RMA & Regional Repair Hubs: Regional service centers (Hong Kong, UAE, Germany, USA) provide fast hardware diagnostics, free component replacement, and repair tracking via our Serial Support Portal.
Fast Repair Turnaround: Standard warranty repairs are completed and returned within 5 to 10 business days.
Exclusions: Warranty does not cover damages resulting from unauthorized firmware modifications, extreme liquid immersion, or improper electrical wiring outside rated voltage limits.

✈️ Shipping Policy ▼

Global Dispatch & Express Freight Terms:

8 Global Dispatch Centers: Orders are fulfilled directly from our primary logistics hubs in Hong Kong, Shenzhen, Dubai, Frankfurt, Texas, Singapore, Tokyo, and Sydney for minimal transit times.
Premium Express Freight: Delivered via DHL Express, FedEx Priority, and UPS Worldwide Saver with real-time GPS tracking and signature confirmation upon delivery.
Fast Dispatch Timeline: In-stock units are dispatched within 24 to 48 hours of payment confirmation. Batch pre-orders ship according to the specified manufacturer batch window.
Customs & DDP Support: Full commercial invoices and HS tariff codes (HS Code 8471.80) are included. Tax-inclusive / DDP (Delivered Duty Paid) shipping options are available for supported destination countries.
100% Transit Insurance: All packages are fully insured against damage or loss during transit. In the rare event of transit damage, replacement components or whole units are dispatched immediately.