Description
Overview
The Bitmain Antminer S9 is the most legendary ASIC miner ever produced. At this price, the « as-is » unit is perfect for tinkerers, DIY space heater builds, ASIC repair learners, or anyone who wants an affordable entry point into Bitcoin mining hardware. Sold as-is — may need repairs, replacement fans, or other maintenance. D-Central offers ASIC repair services if you need help getting it running.
Specifications
| Specification | Value |
|---|---|
| Algorithm | SHA-256 |
| Hashrate (stock) | 13.5 TH/s |
| Power (stock) | ~1,350W |
| Condition | As-is (may require repairs or parts) |
| PSU | Not included (APW3++ or APW7 recommended) |
| Weight | 5.5 kg |
| SKU | DC-MINER-S9-ASIS |
Great For
- DIY Bitcoin Space Heater projects — the S9 is the go-to ASIC for home heating builds. At 1,350W it produces approximately 4,600 BTU/hr of heat
- Learning ASIC repair — practice diagnosing hashboards, replacing fans, and flashing firmware on affordable hardware before working on expensive miners
- Parts harvesting — use the control board, fans, heatsinks, or other components for repair projects
- Budget Bitcoin mining — at this price, the barrier to entry does not get much lower. Even with reduced profitability, running an S9 contributes to Bitcoin network decentralization
- Custom firmware experimentation — the S9 has the largest community of custom firmware options (Braiins OS, VNish, etc.) for learning and experimentation
« As-Is » Condition Details
These units are sold in as-is condition, which means:
- The unit may be fully functional or may have issues (hashboard errors, fan problems, etc.)
- No performance guarantee is provided
- Visual wear and mining dust are expected
- Power supply is NOT included
If your unit needs repairs, D-Central ASIC repair team can help. We have been repairing Antminer S9 units since they were first released and have extensive experience with every common failure mode. Visit our ASIC Repair page for service details.
Can I use the S9 as a space heater?
Yes. The Antminer S9 is the most popular ASIC for DIY space heater builds. All electricity consumed is converted to heat (approximately 4,600 BTU/hr at stock settings). Many D-Central customers use S9 units to heat workshops, garages, and even living spaces. Check our Space Heater products for ready-made solutions, or use this as-is unit for a DIY build.
What power supply do I need?
The Antminer S9 requires a power supply capable of at least 1,350W. The Bitmain APW3++ or APW7 are the standard choices. D-Central stocks compatible power supplies.
Is this worth buying for mining profitability?
At current difficulty levels, the S9 is not profitable for mining alone in most regions. However, if you are using it as a space heater (replacing an electric heater), the mining revenue offsets some of your heating cost. The real value at this price is as a learning tool, parts source, or heating project base.
Why Buy From D-Central?
D-Central has been working with Antminer S9 units since their release. We know every variant, every firmware, and every failure mode. If your as-is unit needs repairs, we are the team to call. Ships from Canada with tracking.
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