Antminer S19 XP — 挖矿盈利能力
Antminer S19 XP（140 TH/s、21.5 J/TH）估计价格约 ~$1,645（2026年11月）。按当前 hashprice（$34/PH/天）日毛收入约 ~$4.81 — 电价 $0.06/kWh 时日净收入约 $0.48。盈亏平衡电价：$0.067/kWh。
Is Bitcoin mining still profitable in 2026? →概述
The Antminer S19 XP was Bitmain's air-cooled flagship of the 2022–2023 cycle, delivering 140 TH/s at 21.5 J/TH and 3,010 W. At launch it was the efficiency leader of its generation; today it sits in the legacy tier — still profitable in low-cost-electricity setups but squeezed by the wave of sub-15 J/TH machines (S21 XP, M70S, M78S) that entered the market in 2024–2025. The S19 XP remains a workhorse for hosting providers managing existing fleets and for buyers picking up secondary-market units at deep discounts ($/TH well below new-gen). Within the Bitmain lineup it is the immediate predecessor of the S21 family. Its main constraint is the 2028 halving, which compresses break-even electricity to roughly half its current value and pushes 20+ J/TH machines toward retirement on grid-tied power.
查看术语表 →规格参数
算力
140 TH/s
功耗
3,010W
能效
21.5 J/TH
散热方式
Air
发布日期
July 2022
Est. $/TH
$11.8/TH
制造商
Bitmain
实时盈利能力
2028 减半的影响
The April 2028 halving cuts the block subsidy from 3.125 to 1.5625 BTC, mechanically halving the hashprice. At today's hashprice ($34/PH/day), the Antminer S19 XP at 0.14 PH/s generates ~$5/day in gross revenue. Post-halving, that figure drops to ~$2/day at constant BTC price. The break-even electricity cost — the price per kWh below which the machine stays profitable net of energy — shifts from ~$0.067/kWh today to ~$0.033/kWh post-halving. With 21.5 J/TH efficiency, the S19 XP needs sub-$0.04/kWh power to remain economical after April 2028 — a tier accessible mostly to industrial sites with stranded gas, curtailed renewables, or large utility contracts. For grid-tied retail and small-scale hosting, the S19 XP's productive window closes before or at the halving.
查看减半倒计时 →与类似机型对比
Antminer S19k Pro
120 TH/s · 23 J/TH · Air
Whatsminer M60
172 TH/s · 19.895 J/TH · Air
Antminer T21
190 TH/s · 19 J/TH · Air
常见问题
Is the Antminer S19 XP profitable today?▾
At the current hashprice ($34/PH/day), the S19 XP generates ~$5/day in gross revenue. Profitability is highly sensitive to electricity cost: at $0.04/kWh you keep a comfortable net margin; at break-even ($0.067/kWh) the machine clears zero; above that, it loses money. The S19 XP makes the most sense at hosting rates around $0.05/kWh or below, or for buyers acquiring it on the secondary market at <$10/TH.
What's the break-even electricity cost for the Antminer S19 XP?▾
At the current hashprice ($34/PH/day), break-even sits at ~$0.067/kWh. The formula: daily revenue (0.14 PH/s × hashprice) divided by daily energy consumption (3.01 kW × 24h = 72 kWh) gives the kWh price at which gross revenue equals electricity cost. Apply 2% pool fee and the practical ceiling drops slightly. After the 2028 halving, break-even tightens to ~$0.033/kWh, narrowing the viable cost window to industrial-grade power.
How does the 2028 halving affect the Antminer S19 XP?▾
The April 2028 halving cuts hashprice by half. For the S19 XP at 0.14 PH/s, daily gross revenue drops from ~$5 to ~$2 at constant BTC price. Break-even electricity tightens from ~$0.067/kWh to ~$0.033/kWh. With 21.5 J/TH, the S19 XP becomes a marginal machine post-halving on anything but industrial-tier power; many operators retire or relocate the fleet before the halving rather than absorb the margin compression.
What's the lifespan of an Antminer S19 XP?▾
S19 XPs deployed in 2022–2023 are now in their 3rd–4th year of service. Air-cooled ASICs typically last 4–6 years of continuous operation in a clean datacenter environment. The hardware rarely fails first — economic obsolescence does, especially with the 2028 halving on the horizon. Most operators plan to retire S19 XPs by mid-2028 or relocate them to ultra-low-cost power sites where the machine remains marginally profitable.
Antminer S19 XP vs Antminer S21 XP — should I upgrade?▾
The S21 XP delivers 270 TH/s at 13.5 J/TH versus the S19 XP's 140 TH/s at 21.5 J/TH — roughly 60% better efficiency. Upgrading makes sense when your electricity cost is above $0.05/kWh: the energy savings on the S21 XP recover the capex within 18–24 months. Below $0.04/kWh, the S19 XP can stay productive through 2028. Below $0.025/kWh, even pre-halving you keep net margin on legacy gear. The decision is mostly an electricity-cost arithmetic, not a hardware preference.