Bitmain Antminer S21j XP Hyd 495Th/s 5940W Bitcoin Miner Hydro Cooling
The Bitmain Antminer S21j XP Hyd is an ASIC miner for SHA-256 (Bitcoin) mining, delivering 495 TH/s hashrate with 5940W power consumption and 12 J/TH efficiency.
$6,400.00
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Description
Antminer S21j XP Hyd Description
The Bitmain Antminer S21j XP Hyd is a high-efficiency ASIC miner for SHA-256 Bitcoin mining, delivering up to 495 TH/s with 12 J/TH efficiency.
Designed for next-generation hydro cooling mining infrastructure, this model focuses on higher energy efficiency and stable long-term performance for large-scale BTC mining farms.
Unlike traditional air-cooled mining machines, the S21j XP Hyd uses a liquid cooling loop that transfers heat directly from the ASIC chips, allowing the miner to maintain consistent temperatures and stable hashrate under continuous workloads.
Water cooling also enables higher rack density and container deployment, making it ideal for data-center-style mining farms and hydro cooling containers where space, efficiency, and uptime are critical.
Antminer S21j XP Hyd Specifications
| Manufacturer | Bitmain |
| Model | Antminer S21j XP Hyd (495Th) |
| Release | Mar 2026 |
| Size | 410 x 170 x 209mm |
| Noise level | 50dB |
| Cooling | Hydro-cooling |
| Hashrate | 495Th/s |
| Power | 5940W |
| Voltage | 380-415v |
| Interface | Ethernet |
| Temperature | 5 – 45 °C |
| Humidity | 5 – 95 % |
About transportation：In-stock miners will be shipped within 3 business days. For bulk orders shipped via DHL Express, UPS, FedEx, or TNT, please allow an additional 1–2 days for processing.
Delivery times for pre-order miners depend on the factory’s production schedule. Estimated shipping dates are provided on the order page; however, actual shipments may be subject to delays due to production-related issues.
Our shipping process operates on a “first-pay, first-ship” basis. Once full payment has been received, we will strive to arrange shipment as quickly as possible. Payments made via bank wire transfer (T/T) may take 3–7 business days to verify, whereas payments made via cryptocurrency are typically confirmed within a few hours to 1 business day.
International shipping typically takes 5–8 business days; for remote regions, transit times may extend to 8–10 business days.
*All transactions constitute final sales and are non-refundable once completed. We appreciate your understanding that this is standard practice within the industry.
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