SPOT Bitcoin Miner S21 XP Imm.

Bitmain Antminer S21 XP Imm. – 300 TH/s immersion-cooled SHA-256 Bitcoin miner, 4050W, 13.5 J/TH. Built for advanced immersion mining farms.

Function
BTC/BCH/BSV SHA256 Immersion-cooling Miner
Specifications
300T 4050W 13.5J/T
Rating ★★★★☆ 4.2 10 reviews
Price
18 $/T
5,400 $/Unit
Shipping Date
SPOT Shipping in 7 working days after fully paid
Payment Method
BTC BCH BSV
Buy Now

Performance Curves

| Performance Curve


1. Hashrate vs. Oil Temperature

Bitcoin Miner S21 Xp Imm - Image 1

2. Power Efficiency vs. Oil Temperature

Bitcoin Miner S21 Xp Imm - Image 2

Specifications

Product GlanceValue
ModelS21 XP Imm.
Version300T-10
Crypto algorithm/coinsSHA256 | BTC/BCH/BSV
Working mode(1-1)NEM
HEM
Typical hashrate, TH/s(1-2)300
380
Power on wall @30℃(1-3) , Watt(1-2)4050
5700
Power efficiency on wall @30℃, J/TH(1-2)13.5
15.0
Detailed CharacteristicsValue
Power Supply
Phase3
Input voltage range, Volt(2-1)380~415
Input frequency range, Hz50~60
Input max current, Amp12
Hardware configuration
Networking connection modeRJ45 Ethernet 10/100M
Server size (Length*Width*Height, w/o package), mm364(2-2)*236*293
Server size (Length*Width*Height, with package), mm600*390*450
Net weight, kg16.8
Gross weight, kg18.5
Environment requirements
Inlet oil temperature, °C20~50
Oil flow, m3/h1
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

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.

Customer Reviews

4.2 ★★★★☆ 10 reviews
L
Landon Graham
Apr 3, 2026
★★★★☆
Good customer service
Good customer service when I needed it. Got a real answer quickly without unnecessary back and forth. No complaints at all.
A
Anton Novikov
Feb 19, 2026
★★★★☆
Happy with this purchase
Happy with how this has worked out. Meets my requirements and has held up well since arrival.
A
Antoine Renard
Jan 24, 2026
★★★★☆
Good quality for the price
For what it is worth, Quality is noticeably good for what it costs. Better than I expected when I ordered.
R
Rahul Patel
Jan 22, 2026
★★★★☆
Exceeded basic expectations
I have to say, Went in with modest expectations and came away genuinely impressed. Solid all around.
H
Hector Navarro
Dec 31, 2025
★★★★☆
Good experience overall
I have to say, Good experience from order through to use. Would buy from this seller again. Thumbs up from me.

Write a Review