SPOT Bitcoin Miner S21+
| Function |
BTC/BCH/BSV
SHA256
Air-cooling Miner
|
| Specifications |
216T
3564W
16.5J/T
|
| Price |
15 $/T
3,240 $/Unit
|
| Shipping Date |
SPOT
Shipping in January 2026
|
| Payment Method |
BTC
BCH
BSV
|
Performance Curves
1. Hashrate vs. Ambient Temperature
2. J/T vs. Ambient Temperature
Specifications
| Product Glance | Value |
|---|---|
| Model | S21+ |
| Version | 10 |
| Crypto algorithm/coins | SHA256 | BTC/BCH/BSV |
| Typical hashrate,TH/s(1-1) | 216 |
| Power on wall @25℃(1-2), Watt(1-1) | 3564 |
| Power efficiency on wall@25℃(1-2),J/TH(1-1) | 16.5 |
| Detailed Characteristics | Value |
|---|---|
| Power supply | |
| Phase | 1 |
| Input voltage range(2-1) , Volt | 220~277 |
| Input frequency range, Hz | 50~60 |
| Maximum input current, Amp | 20 |
| Hardware Ronfiguration | |
| Network connection mode | RJ45 Ethernet 10/100M |
| Server size (length*width*height, w/o package), mm | 450*219*293 |
| Server size (length*width*height, with package), mm | 630*350*430 |
| Net weight, kg | 21.5 |
| Gross weight, kg | 24.5 |
| Noise(2-2)@30℃, dBA | 76 |
| Environment Requirements | |
| Operation temperature,℃ | -20~45 |
| Storage temperature,℃ | -20~70 |
| Operation humidity(no condensation), RH | 10%~90% |
| Operation altitude(2-3), m | ≤2000 |
Notes:
(1-1) The Hashrate value, Power on wall, and Power efficiency on wall are all typical values, The actual Hashrate value fluctuates by ±3%, and the actual Power on wall and Power efficiency on wall fluctuate by ±5%.
(1-2) Inlet air temperature.
(2-1) Caution: Wrong input voltage may probably cause server damaged.
(2-2) The noise is loudest when the fan is under maximum RPM(rotation per minute).
(2-3) When the server is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1℃ for every increase of 300m.
Purchasing Guidelines
1. The shipping costs, customs charges, and taxes(if any) are not included in the retail price shown above.
2. After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different item(s) or different batch(es) will not be entertained by BITMAIN.
3. The pictures shown are for reference only; the final shipment version shall prevail.
| Shipping Details
1. Shipments will be scheduled on a first-paid-first-ship basis for orders on which BITMAIN has received full payment.
2. You are responsible for any customs delays or returned shipments due to a lack of proper documentation. It's highly recommended to be aware of local customs clearance policies and to prepare all customs documentation ahead of time to avoid any customs clearance delays or unexpected costs.
3. Click here to download Certificates of Conformity and find additional information on customs clearance for BITMAIN products.
Warranty
1. A 365-day warranty is provided starting from the shipping date. BITMAIN will cover shipping costs when shipping a replacement unit within the warranty period.
2. The warranty only applies to the original purchaser who purchased the machine directly from BITMAIN. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.
3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit without BITMAIN's prior consent, BITMAIN will not be liable for any damage arising therefrom.
4. Click here for a complete list of the Terms & Conditions that apply to all orders placed on https://shop.bitmain.com.