As of March 2026, the most profitable coin for AMD EPYC 7742 mining is Monero (XMR) on RandomX, with 44,000 H/s hashrate and $0.56/day net profit after electricity costs ($0.0727/kWh).
AMD EPYC 7742
Best coin: Monero — net $0.56/day
Specifications
Brand: AMD
Platform: server
Generation: Rome (Zen 2)
Socket: SP3
Cores: 64
Threads: 128
Base: 2.25 GHz
Boost: 3.4 GHz
L1: 4096 KB
L2: 32 MB
L3: 256 MB
TDP: 225 W
Memory: DDR4 × 8ch
PCIe: Gen 4
System Build (used prices)
CPU (AMD EPYC 7742)$488.54
Motherboard (any SP3 EPYC board)$305.34
RAM (DDR4 ECC REG 3200 16GB × 8)$97.71
Storage (SSD 120GB SATA)$12.21
PSU (850W)$61.07
Total system$964.87
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monero (XMR) | randomx | 44,000 H/s | 214 W | 311 W | $1.10 | $0.54 | $0.56 | 205.6 | 141.7 | $0.0051/W | $0.0035/W | 2.4 yr | 4.7 yr |
Updated 10 min ago