As of May 2026, the most profitable coin for AMD EPYC 7742 mining is Wownero (WOW) on RandomWOW, with 30,616 H/s hashrate and $3.37/day net profit after electricity costs ($0.0727/kWh).
AMD EPYC 7742
Best coin: Wownero — net $3.37/day
Specifications
System Build (used prices)
Mining Profitability
| Coin | Algo | Hashrate | CPU W | System W | Income/day | Elec/day | Profit/day | CPU H/s/W | Sys H/s/W | CPU $/W | Sys $/W | ROI CPU | ROI System |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wownero (WOW) | randomwow | 30,616 H/s | 214 W | 311 W | $3.92 | $0.54 | $3.37 | 143.1 | 98.6 | $0.0183/W | $0.0126/W | 6.1mo | 1.2yr |
| Salvium (SAL) | randomx | 37,114 H/s | 214 W | 311 W | $1.23 | $0.54 | $0.68 | 173.4 | 119.5 | $0.0057/W | $0.0039/W | 2.5yr | 5.8yr |
| Monero (XMR) | randomx | 37,114 H/s | 214 W | 311 W | $1.14 | $0.54 | $0.60 | 173.4 | 119.5 | $0.0053/W | $0.0037/W | 2.8yr | 6.6yr |
| Zephyr Protocol (ZEPH) | randomx | 37,114 H/s | 214 W | 311 W | $0.83 | $0.54 | $0.29 | 173.4 | 119.5 | $0.0039/W | $0.0027/W | 5.9yr | 13.6yr |
Income trend — WOW (last 30 days)
Gross income (upper line) and net profit (lower) at 30,616 H/s. Shaded area is electricity cost.
Frequently Asked Questions
What is the most profitable coin to mine with AMD EPYC 7742?
The most profitable coin for AMD EPYC 7742 is Wownero (WOW) on the RandomWOW algorithm. Net profit: +$3.37/day (gross income $3.92 minus electricity $0.54 at $0.0727/kWh). Actual profitability depends on your electricity rate, system downtime, and other overhead costs.
What is the hashrate of AMD EPYC 7742 on RandomWOW?
The typical hashrate of AMD EPYC 7742 on RandomWOW is 30,616 H/s at 214W CPU power draw. This is a realistic sustained 24/7 mining figure on a standard system without fine-tuning. Total system power from the wall is 311W (7.5 kWh/day).
How much does a AMD EPYC 7742 mining system cost?
Minimum used build for AMD EPYC 7742: CPU — $618, motherboard (any SP3 EPYC board) — $449, RAM (DDR4 ECC REG 3200 8GB × 8) — $281, SSD — $21, PSU 850W — $70. Total: ~$1439. Prices are approximate, based on the used market.
How long does it take for AMD EPYC 7742 mining to pay for itself?
At current network parameters and $0.0727/kWh electricity: CPU-only payback — ~6 months, full system (~$1439) payback — ~1.2 years. These estimates do not account for potential downtime, hardware wear, changes in network difficulty, or coin price fluctuations. Use the table above to enter your electricity rate for accurate numbers.