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Bitmain Antminer S21+ Hyd

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BitmainSHA-256BTC

Antminer S21+ Hyd (358T)

358 TH/s5,370 WHydro-cooled
Profit / day
$4.26/day
after power at $0.08/kWh
Efficiency
15.00J/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+ Hyd profitable?

Yes. The Bitmain Antminer S21+ Hyd (358T) mines Bitcoin on the SHA-256 algorithm at 358 TH/s, drawing 5,370 W (15.0 J/TH). At $0.08 per kWh it earns about $14.57 a day, spends $10.31 of that on power, and keeps $4.26. That’s around $128 a month, or $1,555 a year.

It’s #49 of 263 SHA-256 miners on efficiency. It’s a hydro (water-cooled) unit, released in August 2025.

Break-even power price
$0.113/kWh

It makes money below this.

Pays for itself in
~2.3years

At $3,464, if today’s numbers held, so treat this as a rough guide.

Daily profit rank
#66of 522

Across every miner we track.

Other coins it can mine

Mine instead

BitcoinBTCRanked on
$14.570.000173 BTC
–
0.000038%
$31.3B
−0.3%
QuaiQUAI
$18.161,823 QUAI
+25%
0.23%
$134k
−1.0%
eCashXEC
$15.611,915,756 XEC
+7%
0.76%
$3.4M
−9.2%
Bitcoin CashBCH
$13.270.0431 BCH
−9%
0.0087%
$159.8M
−8.5%
DigiByte (SHA-256)DGB
$8.471,915 DGB
−42%
0.66%
$2.0M
+4.3%

Paid on top

Fractal BitcoinFB
+<$0.010.00157 FB
+<1%
0.000036%
$526k
+12.3%
NamecoinNMC
+<$0.010.000172 NMC
+<1%
0.000036%
$1Illiquid
+0.4%
HathorHTR
+<$0.010.0155 HTR
+<1%
0.000036%
$124k
+154.7%Highly volatile
ElastosELA
+<$0.010.000172 ELA
+<1%
0.000036%
$413k
+10.9%
Max potential profitUnlikely
+$4.26/day
$4.26 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$26.06
Bitdeer SealMiner A4 Ultra Hydro#29.4 J/TH$19.99
Bitmain Antminer S23e Hyd 2U (865Th)#310.0 J/TH$18.60
Bitmain Antminer S23e Hyd U2H (865T)#410.0 J/TH$18.60
Bitmain Antminer S21 XP+ Hyd (500Th)Earlier model#1511.0 J/TH$9.79
Bitdeer SealMiner A2 Pro Hyd (500T)#3014.9 J/TH$6.05
Bitmain Antminer S21+ Hyd (358T)This miner#4015.0 J/TH$4.26
Bitmain Antminer S21 Pro (245T)#5715.0 J/TH$2.92
Bitmain Antminer S21e Hyd (332T)Newer model#6017.0 J/TH$2.68
Digital Shovel BluAx#11715.0 J/TH$0.01

More from Bitmain

MinerProfit / day
Bitmain Antminer Z15 Pro (860K)Equihash$54.62
Bitmain Antminer Z15 Pro (840K)Equihash$53.22
Bitmain Antminer Z15K (565kh)Equihash$34.62
Bitmain Antminer X9 (1M)RandomX$34.55
Bitmain Antminer Z15Equihash$26.38
All Bitmain minersBest SHA-256 minersFull rankingsHow we calculate profit

Figures updated 16:07 UTC, 1 October 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.