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Bitmain Antminer S21 XP Immersion

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BitmainSHA-256BTC

Antminer S21 XP Immersion (300Th)

300 TH/s4,050 WImmersion-cooled
Profit / day
$1.22/day
after power at $0.08/kWh
Efficiency
13.50J/TH

Availability

Priced 1 Oct 2026
Brand new, 12-month warrantyEverything includedNo setup fees
1
0 units

Profitability · SHA-256 · BTC

Is the Antminer S21 XP Immersion profitable?

Yes. The Bitmain Antminer S21 XP Immersion (300Th) mines Bitcoin on the SHA-256 algorithm at 300 TH/s, drawing 4,050 W (13.5 J/TH). At $0.08 per kWh it earns about $8.96 a day, spends $7.78 of that on power, and keeps $1.18. That’s around $35 a month, or $431 a year.

It’s #27 of 269 SHA-256 miners on efficiency. It’s an immersion-cooled unit, released in September 2024.

Break-even power price
$0.092/kWh

It makes money below this.

Pays for itself in
~8.2years

At $3,484, if today’s numbers held, so treat this as a rough guide.

Daily profit rank
#58of 533

Across every miner we track.

Antminer S21 XP Immersion specifications

ManufacturerBitmain
ModelAntminer S21 XP Immersion
AlgorithmSHA-256
CoinsBTC
Hashrate300 TH/s
Power consumption4,050 W
Efficiency13.5 J/TH
CoolingImmersion
Noise50 dB
ReleasedSeptember 2024

Other coins it can mine

Mine instead

BitcoinBTCRanked on
$8.960.000119 BTC
–
0.000034%
$31.0B
−2.0%
QuaiQUAI
$10.641,480 QUAI
+19%
0.39%
$91kLow liquidity
+14.7%
DigiByte (SHA-256)DGB
$9.873,245 DGB
+10%
1.1%Noticeable
$2.3M
−3.3%
eCashXEC
$9.851,736,496 XEC
+10%
0.68%
$1.6M
−6.2%
Bitcoin SVBSV
$8.950.551 BSV
<1%
0.12%
$6.6M
−2.4%
Bitcoin CashBCH
$8.830.0369 BCH
−1%
0.009%
$175.1M
−13.7%

Paid on top

Fractal BitcoinFB
+<$0.010.00154 FB
+<1%
0.000036%
$2.4M
−16.8%Volatile
NamecoinNMC
+<$0.010.000129 NMC
+<1%
0.000036%
$0Illiquid
+0.4%
ElastosELA
+<$0.010.000129 ELA
+<1%
0.000036%
$307k
−43.0%Highly volatile
HathorHTR
+<$0.010.0116 HTR
+<1%
0.000036%
$71kLow liquidity
−17.7%Volatile
Max potential profitUnlikely
+$1.18/day
$1.18 BTC profit + <$0.01 paid on top

How it compares · SHA-256 miners

MinerRankEfficiencyProfit / day
Bitmain Antminer S23 Hyd 3U (1.16 PH)#19.5 J/TH$13.48
Bitdeer SealMiner A4 Ultra Hydro#29.4 J/TH$10.38
Bitmain Antminer S23e Hyd U2H (865T)#310.0 J/TH$9.22
Bitmain Antminer S23e Hyd 2U (865Th)#410.0 J/TH$9.22
Bitmain Antminer S21 XP Hyd (473T)Newer model#1412.0 J/TH$3.23
MicroBT WhatsMiner M7DS#1813.5 J/TH$2.64
Bitdeer SealMiner A3 Hydro#2113.5 J/TH$1.97
Bitmain Antminer S21 XP Immersion (300Th)This miner#3013.5 J/TH$1.18
Bitmain Antminer S21 XP (270T)#3313.5 J/TH$1.06
Bitmain Antminer S19 Pro++Earlier model#17926.0 J/TH-$2.51

More from Bitmain

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Bitmain Antminer Z15 Pro (860K)Equihash$125.48
Bitmain Antminer Z15 Pro (840K)Equihash$122.43
Bitmain Antminer Z15K (565kh)Equihash$81.17
Bitmain Antminer Z15KEquihash$75.09
Bitmain Antminer Z15Equihash$60.99
All Bitmain minersBest SHA-256 minersFull rankingsHow we calculate profit

Figures updated 00:01 UTC, 10 November 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.