Quick answer
The Antminer T17 (Bitmain, 2019) delivers about 40 TH/s at roughly 2,200W, an efficiency near 55 J/TH on the 7nm BM1397 chip. It was the entry tier of the S17 generation and is now a cheap, repairable secondary-market miner best run on low-cost power or as heat.
Verdict: a budget S17-era miner for cheap-power or heating use; a 240V, ~75 dB machine, not a quiet home miner.
For the full canonical specification sheet, see our Antminer T17 specs guide. This review covers the practical side: what the T17 is, where it still fits in 2026, and how to own one without surprises.
The Antminer T17 launched in 2019 as the entry tier of Bitmain’s S17 generation — the same 7nm BM1397 chip as the S17 and S17 Pro, configured for a lower price rather than peak efficiency. It is the least powerful and least efficient of the line, which today makes it a low-cost way into ASIC mining for people with cheap power or a use for the heat.
Antminer T17 specifications
- Hashrate: ~40 TH/s
- Power consumption: ~2,200W at the wall (stock)
- Efficiency: ~55 J/TH
- ASIC chip: BM1397, 7nm
- Power supply: APW9
- Algorithm: SHA-256
- Cooling: dual fans
- Noise: ~75 dB
- Released: 2019
Architecture and efficiency
The T17 runs the 7nm BM1397, the chip shared across the whole S17/T17 family. As the T-series entry model it uses chips binned below the S-series threshold, landing at ~55 J/TH — the least efficient point in the generation. Voltage is regulated per power domain on each board, not per individual chip. At ~55 J/TH the T17 is roughly three times less efficient per terahash than a modern S21, so its economics depend entirely on a low electricity price; undervolting and underclocking with custom firmware are the standard way to improve them.
Power and home use
At ~2,200W the T17 needs a dedicated 240V circuit — the class of outlet used for a dryer or EV charger. Despite a common myth, it is not practical on a standard 120V household receptacle: 2,200W on 120V would draw over 18A, beyond what a normal household circuit safely supplies. It is also loud at ~75 dB. Run it in a ventilated garage, dedicated room, or small hashcenter, not a living space. For quiet home Bitcoin mining on a normal outlet, the Bitaxe is the right tool — silent, USB-C powered, around 15W. An old T17 is best thought of as a space heater that also mines.
Firmware and tuning
Custom firmware lets you undervolt and autotune a T17 for better efficiency. The ecosystem owes a debt to those who built it first — Braiins pioneered ASIC autotuning and native Stratum V2, Luxor brought fast curtailment, and the community reverse-engineered the BM1397. Autotuners calculate frequency and voltage per domain at runtime; they are not fixed presets. Compare the options in our firmware comparison. D-Central is also building DCENT_OS, our own GPL-3.0 firmware — closed beta now, public beta targeted for summer 2026, experimental and waitlist-only.
Buying, refurb, and repair
D-Central has run a Bitcoin mining repair bench since 2016 and services the S17/T17 platform routinely. This generation ages harder than the S9 or S19; hashboards and DC-DC converters are the usual failure points. When a board fails, a replacement T17 hashboard is often cheaper than a whole unit — check our transparent ASIC repair pricing first. Refurbished units 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 promises.
FAQ
What are the Antminer T17 specifications?
About 40 TH/s at roughly 2,200W (~55 J/TH), using the 7nm BM1397 chip on the SHA-256 algorithm, powered by an APW9 PSU. It was released by Bitmain in 2019.
Is the Antminer T17 still worth it?
Only on cheap power, or as heat. At ~55 J/TH it is the least efficient miner of its generation, so it earns only where electricity is very inexpensive. Buy it used and budget for occasional repairs.
Can I run an Antminer T17 on a 120V outlet?
No. At ~2,200W it requires a dedicated 240V circuit; running it on a standard 120V household receptacle would exceed the circuit’s safe current. For quiet 120V home mining, use a Bitaxe instead.
What chip does the Antminer T17 use?
The 7nm BM1397, the same chip used across the entire S17/T17 family, including the S17, S17 Pro, S17+ and T17+.
Last reviewed and fact-checked: June 2026 — D-Central. Specifications cross-checked against manufacturer data and our own repair-bench experience.
