Bitcoin Miner S21
| Product Glance | |
| Model | S21 |
| Algorithm | Cryptocurrency | SHA256 | BTC/BCH/BSV |
| Hashrate, TH/s | 200 |
| Power on wall @25°C, Watt | 3500 |
| Power efficiency on wall @25°C, J/TH | 17.5 |
| Detailed Characteristics | |
| Power Supply | |
| Power supply AC Input voltage, Volt(1-1) | 220~277 |
| Power supply AC Input Frequency Range, Hz | 47~63 |
| Power supply AC Input current, Amp(1-2) | 20(1-3) |
| Hardware Configuration | |
| Networking connection mode | RJ45 Ethernet 10/100M |
| Miner Size (Length*Width*Height, w/o package),mm(2-1) | 400*195*290 |
| Miner Size (Length*Width*Height, with package),mm | 570*316*430 |
| Net weight, kg(2-2) | 15.4 |
| Gross weight, kg(2-2) | 17.2 |
| Environment Requirements | |
| Operation temperature,°C | 0~45 |
| Storage temperature,°C | -20~70 |
| Operation humidity(non-condensing) , RH | 10~90% |
| Operation altitude, m(3-1) | ≤2000 |
NOTE:
(1-1) Caution: Wrong input voltage may probably cause miner damaged
(1-2) Max condition: temperature 40°C, altitude 0m
(1-3) Two AC input wires, 10A per wire
(2-1) Including PSU size
(2-2) Including PSU weight
(3-1) When the miner 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 KERINGMINER.
3. The pictures shown are for reference only; the final shipment version shall prevail.
4. Free Hashrate Giveaway: For the Apr, May, and Jun Batches, an Extra 50% hash-rate will be given every month.
5. Payment Schedule：
| S-Prime Customers | Payment : 20%,30%,40%,10% Last 10% pay in BTC, fix exchange rate on agreement executive time |
| A-Prime Customers | Payment: 20%，30%，50% |
| Prime Customers | Payment: 20%，30%，50% |
| 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. KERINGMINER 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 KERINGMINER. 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 KERINGMINER's prior consent, KETNIGMINER will not be liable for any damage arising therefrom.
