Quick answer
The Antminer T17+ (Bitmain, 2019) delivers about 64 TH/s at roughly 3,200W, an efficiency near 50 J/TH on the 7nm BM1397 chip. It is the value tier of the S17 generation — higher hashrate than the T17 but thirstier than the S17+, so it only makes sense on cheap power or as heat.
Verdict: a budget secondary-market workhorse for cheap-power setups; a 240V, ~75 dB machine, not a quiet home miner.
The Antminer T17+ is the T-series counterpart to the S17+: same 7nm BM1397 chip, tuned for a lower price point rather than peak efficiency. Bitmain positioned the T-series as the budget tier of each generation, trading some joules-per-terahash for a cheaper unit. The T17+ pushed the T17 line to 64 TH/s. This guide covers what it does, where it fits in 2026, and how to own one sensibly.
Antminer T17+ specifications
- Hashrate: ~64 TH/s (±3%; ~58 TH/s bins also shipped)
- Power consumption: ~3,200W at the wall (stock)
- Efficiency: ~50 J/TH
- ASIC chip: BM1397, 7nm
- Algorithm: SHA-256
- Cooling: dual fans
- Noise: ~75 dB
- Released: late 2019
Architecture: the BM1397 generation
Like the rest of the S17/T17 family, the T17+ uses the 7nm BM1397 — the same chip as the S17, S17 Pro, T17, S17+, S17e and T17e. The difference between the S- and T-series is binning and configuration, not silicon: T-series units run chips that didn’t make the efficiency cut for the S-series, which is why the T17+ lands around 50 J/TH versus the S17+’s ~40 J/TH. Voltage is regulated per power domain on each board, not per individual chip. The BM1397’s unified command format was later inherited almost byte-for-byte by the BM1398 in the S19 series.
Efficiency and real-world performance
At ~50 J/TH the T17+ was a budget choice even when new, and it is well behind modern hardware today — roughly two and a half times less efficient per terahash than an S21. That makes electricity price the deciding factor: on cheap or stranded power it can still earn, while on grid-rate power it is realistically a heater that pays for a little of itself. As with any aging Antminer, the right tuning move is to underclock and undervolt for efficiency rather than chase the headline hashrate.
Power and home use
At ~3,200W the T17+ is one of the more power-hungry miners of its era and needs a dedicated 240V circuit — the class of outlet used for a dryer or EV charger — never a standard 120V household receptacle. At ~75 dB it is loud. A ventilated garage, dedicated room, or small hashcenter is appropriate; a living space is not. If your aim is quiet Bitcoin mining at home on a normal outlet, this is the wrong tool — the Bitaxe handles that, running silently off USB-C at around 15W. An older T17+ is best understood as a high-output space heater that also mines.
Firmware and tuning
Custom firmware is how operators tame a T17+, primarily by undervolting for efficiency. The tooling stands on the shoulders of the people who built the field — Braiins pioneered ASIC autotuning and native Stratum V2, Luxor brought fast curtailment and hashprice-aware controls, and the wider community reverse-engineered the BM1397. These autotuners derive frequency and voltage per domain at runtime; they are not fixed presets. Our firmware comparison lays out the dev-fee ranges, Stratum V2 support, and curtailment behaviour of each option side by side.
D-Central is also building DCENT_OS, our own GPL-3.0 mining firmware — closed beta now, public beta targeted for summer 2026, experimental and offered by waitlist rather than pre-order.
Buying, refurb, and repair
D-Central has run a Bitcoin mining repair bench since 2016, and the S17/T17 platform is one we service constantly. This generation ages harder than the S9 or S19 — hashboards and DC-DC converters are the usual failure points — so repairability is a real part of the value calculation. When a board fails, an upgraded replacement T17+ hashboard often beats replacing the whole unit; our transparent ASIC repair pricing will tell you when it is worth fixing. Refurbished units we sell are tested and carry D-Central’s own warranty; new units carry the manufacturer’s; returns are DOA/defect-only. We build to order, so lead times are estimates rather than same-day promises.
Who should consider a T17+
The T17+ is for buyers with genuinely cheap power who want more hashrate per dollar of purchase price than an S17+ and don’t mind the higher running cost, or for anyone who wants a strong heater for a cold, ventilated space. Expect to do maintenance — the S17/T17 line rewards owners comfortable swapping a hashboard. If you want efficiency, quiet, or hands-off operation, choose newer or smaller hardware.
FAQ
What are the Antminer T17+ specifications?
About 64 TH/s at roughly 3,200W (~50 J/TH), using the 7nm BM1397 chip on the SHA-256 algorithm. It was released by Bitmain in late 2019.
What is the difference between the T17+ and the S17+?
Both use the same 7nm BM1397 chip. The S17+ is the efficiency-focused model (~73 TH/s at ~40 J/TH), while the T17+ is the budget model (~64 TH/s at ~50 J/TH), running chips binned below the S-series threshold. The T17+ costs less to buy but more to run.
Is the Antminer T17+ worth it in 2026?
Only on cheap power, or as heat. At ~50 J/TH it draws ~3,200W and is far behind current hardware, so its economics depend entirely on a low electricity price. Buy it used and budget for occasional repairs.
Can I run an Antminer T17+ at home?
It needs a dedicated 240V circuit and is loud at ~75 dB, so it suits a garage, dedicated room, or ventilated hashcenter rather than a living space. For quiet home Bitcoin mining on a normal outlet, a Bitaxe is the better fit.
How reliable is the Antminer T17+?
The S17/T17 generation is more failure-prone than the S9 or S19, with hashboards and DC-DC converters being the common weak points. It is repairable, and hashboards can be replaced individually, so factor maintenance into ownership cost.
Last reviewed and fact-checked: June 2026 — D-Central. Specifications cross-checked against manufacturer data and our own repair-bench experience.
