What Equipment Do I Need to Start Mining Cryptocurrency?
Mining cryptocurrency can be as simple as plugging in one machine—or as complex as building a small data center in your garage. This guide cuts through the hype and tells you exactly what equipment you need, how to choose it, and what infrastructure (power, cooling, networking, software, wallet, pool) you must have in place before you flip the switch.
We’ll divide this into three parts:
- Choose your mining lane (ASIC vs. GPU),
- Core equipment checklist, and
- Site infrastructure + example budgets so you can plan realistically.
Throughout, you’ll see current model examples and specs so you can benchmark what “good” looks like in 2025.
1) Choose Your Mining Lane: ASICs vs. GPUs
Before buying anything, decide which coin and algorithm you’re targeting, because that dictates your hardware:
- Bitcoin (SHA-256) → almost exclusively mined with ASICs (Application-Specific Integrated Circuits). Modern units like Bitmain Antminer S21 (~195–200 TH/s at ~3,500 W, ~17.5 J/TH) and MicroBT WhatsMiner M60 tiers define today’s efficiency and noise profiles. (Manuals+)
- Former GPU giants like Ethereum are no longer mineable since The Merge (Sept 15, 2022); ETH security is now Proof-of-Stake. If you see “Ethereum GPU mining” content, it’s outdated. (ethereum.org)
- GPU-mineable coins still exist (e.g., Kaspa and others), but profitability and the competitive landscape change frequently. Some resources call Kaspa “GPU-friendly,” while others point out rapid ASIC encroachment—so verify current device support and economics before you buy. (Webopedia)
Bottom line: If you want Bitcoin exposure, you’ll be buying an ASIC. If you’re experimenting with altcoins or already own gaming/workstation GPUs, a GPU rig can be educational but requires more ongoing tuning and research.
2) Core Equipment Checklist (What You Actually Need)
Think of your setup in three layers: compute, connectivity & control, and operations & safety.
A) Compute Hardware
Option 1 — ASIC Miner (for Bitcoin and other ASIC-dominant algos)
- The miner itself. Current examples and specs to anchor your expectations:
- Bitmain Antminer S21: ~195–200 TH/s at ~3,500 W (~17.5 J/TH). AC input typically 220–277 V, ~20 A; expect ~75 dB noise in air-cooled versions. (Manuals+)
- MicroBT WhatsMiner M60 (series): widely used 2024–2025 generation with efficiency advances; specific models vary (consult seller pages for TH/s and W). (Altair Technology)
- Hydro/Immersion variants (S21 Hyd, S21e XP Hyd, etc.): higher hashrate and better J/TH using liquid cooling, but need pumps, radiators, quality coolant, and leak-safe fittings. (Bitmain)
- Included/compatible PSU. Modern units integrate the PSU (e.g., Bitmain APW series). Check the official user guide to confirm the correct power cable type (e.g., C19/C20) and voltage. (Bitmain)
- Power cords/PDU compatibility. Many high-power ASICs expect C19 power inlets and 200–240 V. Plan for a 20–30 A, 240 V circuit and a compatible PDU to match the plug type and amperage. (Synaccess)
Noise reality check: Typical air-cooled ASICs run ~70–80 dB—like a vacuum cleaner you never turn off—so they’re not “living room friendly” without serious muffling or enclosures. Hydro/immersion is quieter but more complex and costly. (Koinly)
Option 2 — GPU Rig (for select altcoins)
- GPUs (NVIDIA/AMD), a mining-friendly motherboard (multiple PCIe slots), CPU, RAM (8–16 GB fine), NVMe/SATA boot drive, open-air frame, and one or more high-efficiency PSUs sized for your GPU count.
- “Best GPU” lists are marketing-heavy; treat them as starting points and always verify against live profitability calculators. (Unihost)
- Risers for each GPU (if needed) and reliable PCIe cabling. Avoid overloading single PSU rails with too many GPUs.
Tip: GPU mining shines if you already have hardware and cheap power, or you want flexibility to pivot among coins. But yields are volatile; always cross-check with WhatToMine before deploying capital. (WhatToMine)
B) Connectivity & Control
- Wired Ethernet (RJ-45) to your router/switch. ASICs expect Ethernet; Wi-Fi bridges add failure points and latency. Check the device’s control panel and pool URLs on first boot. (Bitmain)
- Mining pool account (unless soloing). Top pools in 2025 include Foundry USA, Antpool, F2Pool, ViaBTC, Braiins, Luxor. Review fees, payout methods (PPS/FPPS/PPLNS), minimum payouts, and Stratum V2 support. (Hashrate Index)
- Mining software (when needed).
- ASICs often have built-in miners—just point them to your pool.
- GPU rigs use software such as NiceHash Miner (auto-switching), CGMiner/BFGMiner (classic, open-source), or user-friendly GUIs (MultiMiner/EasyMiner). (NiceHash)
C) Wallet for Payouts (Don’t Mine to an Exchange If You Can Help It)
You need a wallet address to receive pool payouts:
- If you’re mining Bitcoin, set up a reputable wallet (hardware or software). Bitcoin.org can help you choose; Ledger and Trezor provide clear guides for generating a receive address in their apps. (Bitcoin)
- Hardware wallets typically generate a new address per receive (privacy best practice). Your older addresses remain valid; the change is normal behavior. (Trezor)
Copy your address carefully, verify on-device, and paste it into your pool’s payout settings.
3) Site Infrastructure: Power, Cooling, Space, and Safety
A) Power: Circuits, Cables, and PDUs
Know your numbers before plugging in.
- Voltage & Amperage. Many current ASICs are designed for 200–240 V service due to high power draw (~3.5–5.6 kW per unit for top models). A 20 A at 240 V circuit supports up to ~3,840 W of continuous load (electrical code derating applies). Higher-power units or multiple machines typically require 30 A circuits and appropriate PDUs. Always consult a qualified electrician. (VIOX ELECTRIC)
- Model-specific requirements. For example, Antminer S21 documentation specifies the AC input range, the included PSU model, and the approved power cord type (e.g., ANTWIRE-20TP/C19). Don’t guess—check the user guide and match all connectors and ratings precisely. (Manuals+)
- Practical safety tips:
- Avoid daisy-chaining cheap power strips.
- Balance loads across circuits.
- Use proper-gauge cables and connectors rated above your continuous draw.
- Consider surge protection and GFCI where applicable.
- Engage a licensed electrician for new circuits.
B) Cooling & Heat Management (BTU/h math you’ll actually use)
Every watt you burn turns into heat. To estimate cooling needs, convert watts to BTU/h:
BTU/h = Watts × 3.412 (rule-of-thumb factor). (Magtrol)
Example: An air-cooled S21 at ~3,500 W produces about 3,500 × 3.412 ≈ 11,942 BTU/h of heat—more than many small window A/C units can handle. If you plan two of these in one space, expect ~24,000 BTU/h to remove—i.e., a 2-ton A/C equivalent. (This is why garage/attic setups get hot fast.)
Hydro/immersion systems move the heat into coolant where you can reject it via radiators or dry coolers, often outside the living space. Check the Hydro user guide for proper fittings, pump head/flow, and waterproof connectors. (Bitmain)
Noise mitigation: Sound-damped enclosures can cut 10–20+ dB, but ensure proper airflow to avoid heat soak. Hydro/immersion is quieter, but the upfront cost and complexity are higher. (Koinly)
C) Space Planning & Racks
- For air-cooled ASICs, use sturdy shelving with clear front-to-back airflow and dust filtration.
- For hydro rigs, reserve floor space for manifolds, pumps, and radiators with spill-safe trays and access for maintenance (tightening fittings, replacing hoses). (Bitmain)
D) Networking & Redundancy
- Wired Ethernet is best. Keep a spare switch, extra CAT6 cables, and label everything.
- Pools increasingly support Stratum V2, which improves security and efficiency. If your pool offers it and your firmware supports it, use it. (Stratum Protocol)
4) Software: From “Plug-and-Mine” to Pro Tuning
- ASIC web dashboards let you configure pool URLs, worker names, and sometimes fan/thermal policies.
- GPU rigs rely on miners and tuning tools. NiceHash Miner can auto-switch algorithms for yield; CGMiner/BFGMiner give you granular control if you’re comfortable with configs. (NiceHash)
Pro tip: Whatever you use, enable remote monitoring (pool dashboards, miner APIs) so you can catch downed rigs, high temps, or rising hardware errors before they cost you rewards. Many top pools offer robust dashboards and APIs. (Foundry)
5) Mining Pool: How to Pick One (and Set It Correctly)
When choosing a pool, evaluate:
- Fee model (PPS, FPPS, PPLNS),
- Minimum payout and cadence,
- Server regions/latency,
- Stratum V2 support,
- Dashboard/API features, and
- Reputation and share rejection rates.
As of 2025, the hashrate leaders include Foundry USA, Antpool, F2Pool, ViaBTC, Braiins, Luxor—but fees and policies differ, so check the latest comparison pages before committing. (Hashrate Index)
6) Wallet Setup & Payout Hygiene
- Generate a receive address (hardware wallet recommended), verify it on-device, and paste it into your pool’s payout settings. Guides from Ledger and Trezor walk you through the steps. (Ledger Support)
- Expect new addresses over time (privacy best practice). This is normal; your wallet manages them. (Trezor)
- For self-custody choices, Bitcoin.org offers a curated wallet selector with transparency notes—handy if you prefer software wallets. (Bitcoin)
7) Budgeting & Example Starter Builds (2025)
Prices fluctuate with demand; always cross-check against current listings and use profitability calculators (e.g., WhatToMine) to project revenue based on your power rate. (WhatToMine)
A) Single ASIC, Air-Cooled (Home or Garage)
- 1 × Bitmain Antminer S21 (~195–200 TH/s, ~3,500 W)
- Proper C19 power cable + 240 V / 20–30 A circuit and PDU
- Wired Ethernet to router/switch
- Basic ventilation or a window/portable A/C capable of ≥12,000 BTU/h (for one unit)
- Hardware wallet for payouts
Why this works: Simple, proven, Bitcoin-native, minimal software fuss. Mind the noise and heat. (Use hydro/immersion variants if you need quieter operation and can invest in the loop.) (Manuals+)
B) Two ASICs, Small Shed/Outbuilding
- 2 × ASICs (e.g., S21 or M60-class)
- Dedicated 240 V circuits (likely 30 A each), labeled PDU(s)
- Exhaust ducting or mini-split sized for ~24,000 BTU/h
- Environmental monitoring (temp/humidity), basic fire safety
This is where electrical and cooling planning really matters. (Synaccess)
C) GPU Learning Rig (Altcoin Exploration)
- 1 × open-frame with 4–6 midrange GPUs, 80+ Platinum PSU(s), risers, and a mining OS/USB
- Software: NiceHash Miner or CGMiner/BFGMiner variants
- Expect frequent algorithm/pool changes; check WhatToMine daily/weekly. (NiceHash)
8) Practical Gotchas (Save Yourself Headaches)
- Cables & Connectors: Don’t mix under-rated cords with 3–4 kW devices. Confirm plug type (C19/C20 vs NEMA), amp rating, and wire gauge. The S21 guide and vendor cable notes are explicit—follow them. (Bitmain)
- Circuit Derating: Continuous loads should not exceed ~80% of breaker rating (your electrician will apply code). Plan with headroom—especially in hot climates. (VIOX ELECTRIC)
- Heat Rejection: Use the W → BTU/h math before you buy multiple machines; cooling gear is often the bottleneck. (RapidTables)
- Noise: 70–80 dB is loud. If neighbors share walls, invest in isolation or hydro/immersion. (ECOS)
- Pool & Firmware Settings: If your pool supports Stratum V2, use it for better efficiency and security when available. (Stratum Protocol)
- “ETH mining” content: It’s obsolete—Ethereum has been PoS since 2022. Don’t buy GPUs for ETH. (ethereum.org)
9) Quick Decision Tree (Cheat Sheet)
- Want Bitcoin? Buy a modern ASIC (S21/M60-class). Plan for 240 V, ~3.5 kW per unit, ~12,000 BTU/h cooling per machine, and ~75 dB noise. Join a reputable pool. (Manuals+)
- Want to experiment and already own GPUs? Build a small GPU rig; be ready to tune and switch algorithms. Use WhatToMine for profitability checks. (WhatToMine)
- Need quiet? Consider hydro/immersion ASICs and outdoor heat rejection, but budget for pumps, radiators, and plumbing. (Bitmain)
- Unsure about wallets? Use a hardware wallet; follow Ledger/Trezor receive-address instructions and verify addresses on device. (Ledger Support)
10) Step-by-Step Setup (First ASIC)
- Electrical prep: Install a 240 V / 20–30 A circuit with the correct receptacle; buy a compatible PDU and C19 cable rated for your load. (Synaccess)
- Networking: Run wired Ethernet to your miner’s location.
- Cooling: Ensure enough airflow and cooling capacity (e.g., ≥12,000 BTU/h per 3.5 kW ASIC). (RapidTables)
- Wallet: Generate and verify a receive address (hardware wallet recommended). (Ledger Support)
- Pool: Create an account with your chosen pool; note Stratum URL, worker name, and payout settings. (99Bitcoins)
- Miner config: In the miner’s web UI, enter your pool URL(s) and worker credentials; save and start.
- Monitor: Watch pool dashboard for hashrate, share rejects, and payouts; adjust fan modes/placement as needed. (Foundry)
11) Resource Toolbox (Bookmark These)
- ASIC profitability & model specs: WhatToMine (ASIC & GPU pages) and vendor/user-guide pages for exact power and cable requirements. (WhatToMine)
- Current ASIC examples: Bitmain S21, MicroBT M60 series; check reputable resellers for live pricing and stock. (ASIC Miner Value)
- Pools & protocols: Current pool comparisons and Stratum V2 resources. (Hashrate Index)
- Mining software: NiceHash Miner (beginner-friendly), CGMiner/BFGMiner (advanced). (NiceHash)
- Power & cooling math: Watts → BTU/h conversion references. (Magtrol)
- Ethereum note: ETH isn’t mineable since The Merge—don’t plan a GPU rig for ETH. (ethereum.org)
12) Final Checklist
- Coin/algorithm chosen (e.g., Bitcoin/SHA-256 → ASIC)
- Hardware selected (e.g., Antminer S21 or WhatsMiner M60 class)
- Power: 240 V circuit, correct amperage, PDU, C19 cables
- Cooling capacity sized (≈3.4 BTU/h per watt)
- Network: wired Ethernet, spare cables
- Wallet: hardware wallet receive address verified on-device
- Pool: account created, payout address set, Stratum URL(s) ready
- Miner configured and tested; monitoring and safety gear in place
Get these right and your first day of mining will feel pleasantly boring—exactly how you want critical infrastructure to feel.
References & Further Reading
- Bitmain Antminer S21 user & spec guidance (power, cables, AC input): Bitmain manuals & spec pages. (Manuals+)
- MicroBT WhatsMiner M60 series (current-gen efficiency and availability): MicroBT & distributor listings. (shop.whatsminer.com)
- ETH is not mineable since 2022 (The Merge): Ethereum.org, Investopedia recap. (ethereum.org)
- Pool comparisons & hashrate leaders: Hashrate Index pool ranking (2025), Coin Bureau/Koinly pool overviews, 99Bitcoins comparison. (Hashrate Index)
- Stratum V2 overview & docs: Stratum Protocol, Braiins Academy. (Stratum Protocol)
- Mining software: NiceHash Miner, CGMiner/BFGMiner roundups. (NiceHash)
- Profitability calculators: WhatToMine (ASIC & GPU). (WhatToMine)
- Power & cooling math: 1 W ≈ 3.412 BTU/h. (Magtrol)
- Practical power distribution for home mining: Synaccess guidance (20–30 A, 240 V recommendations). (Synaccess)