Bitmain Antminer S21j XP Hyd (495Th)
The Bitmain Antminer S21j XP Hyd is a hydro-cooled SHA-256 miner for BTC, BCH and BSV, released in March 2026. It delivers 495 TH/s at 5940 W, an efficiency of 12 J/TH.
Income vs electricity · Mines BTC · 495 TH/s · 5,940 W · SHA-256
| Income | Electricity | Profit | |
|---|---|---|---|
| Day | $18.19 | −$5.19 | $13.00 |
| Week | $127.36 | −$36.32 | $91.03 |
| Month | $545.81 | −$155.68 | $390.13 |
| Year | $6,641 | −$1,894 | $4,747 |
Where to buy
| Seller | Ships from | Availability | ROI | Price | |
|---|---|---|---|---|---|
 LeedMiner
✓ Verified seller
|
China | In stock | 412 days | $5,346 | $5,346View offer → |
 Yesmining
✓ Verified seller
|
China | In stock | 412 days | $5,346 | $5,346View offer → |
OneMiners
✓ Verified seller
|
United States | In stock | 412 days | $5,350 | $5,350View offer → |
| China | In stock | 423 days | $5,496 | $5,496View offer → | |
Maxi Miners
✓ Verified seller
|
Czechia | In stock | 428 days | $5,555 120,500 CZK |
$5,555View offer → |
| China | In stock | 443 days | $5,756 | $5,756View offer → | |
 Cryptoware
✓ Verified seller
|
United Kingdom | In stock | 453 days | $5,885 | $5,885View offer → |
| China | In stock | 516 days | $6,700 | $6,700View offer → | |
| Germany | In stock | 548 days | $7,124 6,352 EUR |
$7,124View offer → |
Price history
━ Average price ━ Lowest price
Specifications
Mineable coins
BCH
BSV
BTC
FB
NMC
PPC
QUAI
XECAbout this miner
The Bitmain Antminer S21j XP Hyd (495Th) is an ASIC miner by Bitmain for the SHA-256 algorithm, rated at 495 TH/s on 5,940 W. It came out in March 2026. At 12.0 J/TH it is 55% more efficient than the median SHA-256 miner we track (26.4 J/TH). At $0.036/kWh it ranks #17 of 247 SHA-256 miners by daily profit, earning about $13.00 a day mining BTC. The best price on AsicProfit is $5,346. At today's rates it would pay for itself in about 412 days. It is water-cooled (hydro), so it needs a cooling loop and a dry cooler instead of fans.
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