SPOTBitcoin Miner S21 Imm.

| Performance Curve

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1. Hashrate vs. Inlet Oil Temperature

2. Power Efficiency vs. Inlet Oil Temperature

| Specifications

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Product Glance	Value
Model	S21 Imm.
Version	10
Crypto algorithm/coins	SHA256 | BTC/BCH/BSV
Working mode(1-1)	NEM HEM
Typical hashrate, TH/s(1-2)	215 301
Power on wall @30℃(1-3) , Watt(1-2)	3440 5569
Power efficiency on wall @30℃, J/TH(1-2)	16.0 18.5

Detailed Characteristics	Value
Power Supply
Phase	3
Input voltage range, Volt(2-1)	380~415
Input frequency range, Hz	50~60
Input max current, Amp	12
Hardware configuration
Networking connection mode	RJ45 Ethernet 10/100M
Server size (Length*Width*Height, w/o package), mm	293*236*364(2-2)
Server size (Length*Width*Height, with package), mm	600*390*450
Net weight, kg	17.15
Gross  weight, kg	20.45
Environment requirements
Inlet oil temperature, °C	30~55
Oil flow, m3/h	1
Storage temperature,°C	-20~70

Notes:

(1-1) NEM: Normal Energy Mode; HEM: High Energy Mode.
(1-2) The Hashrate value, Power on wall, and Power efficiency on wall are all typical value. The actual Hashrate value fluctuates by ±3%, and the actual Power on wall and Power efficiency on wall fluctuate by ±5%.
(1-3) Inlet oil temperature.
(2-1) Caution: Wrong input voltage may cause server damage.
(2-2) The height includes a 44mm handle.

| Purchasing Guidelines

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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

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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

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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.