How profitable is the 21energy Ofen 2 (40TH) for mining?

The profitability of the 21energy Ofen 2 (40TH) depends on factors like electricity costs, mining difficulty, and market prices. Currently, it generates approximately $-0.60 profit per day based on real-time data for the SHA-256 algorithm, factoring in an electricity rate of $0.08/kWh.

What is the hashrate of the 21energy Ofen 2 (40TH) ?

The 21energy Ofen 2 (40TH) has a hashrate of 40TH/s, optimized for the SHA-256 algorithm.

What is the power consumption of the 21energy Ofen 2 (40TH) ?

The 21energy Ofen 2 (40TH) consumes 1000W of power, which impacts electricity costs and overall profitability.

How much does it cost to run the 21energy Ofen 2 (40TH) ?

At an electricity rate of $0.08/kWh, the 21energy Ofen 2 (40TH) costs approximately $1.92 per day, $57.60 per month, and $700.80 per year to operate.

Which cryptocurrencies can the 21energy Ofen 2 (40TH) mine?

The 21energy Ofen 2 (40TH) is designed to mine cryptocurrencies using the SHA-256 algorithm, such as Bitcoin (BTC), Bitcoin Cash (BCH), Fractal Bitcoin (FB). You can also resell your hashrate on the NiceHash marketplace.

21energy Ofen 2 (40TH)

Name: 21energy Ofen 2 (40TH/s)
Brand: 21energy
Availability: OutOfStock

Ofen 2 profitability insights powered by real-time data: Discover how much your Ofen 2 can earn using our advanced ASIC miner calculator. We use live mining reward data and automatically factor in electricity costs, giving you a clear overview of your potential daily, monthly, and yearly returns.

Released: April 2026

Manufactured by

Realtime Mining Profit

$-0.60/day

40TH/s

Hashrate

1000W

Power

Profitability Analysis

Live Data

Here you can see a detailed analysis of miner profitability, updated in real-time.

Current BTC Price $64,540.00

Period	Income	Expense	Profit
Daily	$1.32	$1.92	$-0.60
Monthly	$39.60	$57.60	$-18.00
Yearly	$481.80	$700.80	$-219.00

No Offer available

About the 21energy Ofen 2 (40TH/s)

Learn more about this ASIC miner, including its specifications, performance, energy consumption, and profitability.

The 21energy Ofen 2 is a state-of-the-art ASIC miner designed for optimal performance in cryptocurrency mining operations. With a powerful hash rate of 40TH/s, it delivers reliable and efficient processing powered by the SHA-256 algorithm, making it suitable for mining Bitcoin and other SHA-256 coins. This miner operates at a power consumption of only 1000W, providing a balance of high performance and energy efficiency. Its air cooling system ensures effective temperature management, maintaining consistent operation even during extended mining sessions. The compact dimensions of 900 x 320 x 140mm and a weight of 24,000 grams make it suitable for various setups, whether in large mining farms or smaller operations. The device generates a noise level of just 35dB, allowing for quieter operation compared to traditional mining hardware. Compatibility with multiple interfaces such as WiFi, USB, and Ethernet provides flexible connectivity options, simplifying integration into existing networks. The Ofen 2 is scheduled for release in April 2026, representing cutting-edge technology in the cryptocurrency mining industry. Its robust build and advanced features ensure durability and longevity, making it a valuable asset for miners aiming to maximize profitability. Whether you're expanding your mining capacity or building a new setup, the 21energy Ofen 2 offers a high-performance, energy-efficient solution designed to meet the demands of modern crypto mining. Experience the future of mining hardware with this innovative device, engineered for efficiency and reliability in a competitive market.

Discover Which Coins This Miner Can Mine

Explore the cryptocurrencies that can be mined using 21energy Ofen 2 (40TH/s), including detailed profitability.

Currency Converter

Calculate the mineable coins to any currency.

Rate is for reference only. Updated just now.

Coin	Hashrate	Power	Efficiency	Income/Day	Profit/Day
NiceHash BTC	40 TH/s	1000 W	25 J/TH	$1.31 $ 0.00002030	$-0.61 $ -0.00000945
Bitcoin BTC	40 TH/s	1000 W	25 J/TH	$1.29 $ 0.00001991	$-0.63 $ -0.00000981
Bitcoin Cash BCH	40 TH/s	1000 W	25 J/TH	$1.28 $ 0.00581621	$-0.64 $ -0.00287432
Fractal Bitcoin FB	40 TH/s	1000 W	25 J/TH	$1.32 $ 3.68	$-0.60 $ -1.69295502

Historical Mining Performance

View the performance trends of 21energy Ofen 2 (40TH/s) over weekly, monthly, and yearly timeframes.

Historical Profitability

View the historical income and profit trends for this miner.

SHA-256 Miner Generations

Evolution of cryptocurrency mining hardware throughout the years, with the current generation highlighted for reference.

Gen 1

31 miners

Gen 2

31 miners

Gen 3

31 miners

Gen 4

31 miners

Gen 5

31 miners

Gen 6

31 miners

Gen 7

32 miners

Gen 8

32 miners

Generation 1

31 miners

Bitmain Antminer S9k (13.5TH/s | 1310W)

97.04 J/TH

Bitmain Antminer R4 (8.7TH/s | 845W)

97.13 J/TH

Bitmain Antminer S9 (11.5TH/s | 1127W)

98.00 J/TH

Bitmain Antminer S9 (12.5TH/s | 1225W)

98.00 J/TH

Bitmain Antminer S9 (13.5TH/s | 1323W)

98.00 J/TH

Bitmain Antminer S9 (14TH/s | 1372W)

98.00 J/TH

Bitmain Antminer S9i (13TH/s | 1280W)

98.46 J/TH

Bitmain Antminer S9 (13TH/s | 1300W)

100.00 J/TH

GMO miner B3 (33TH/s | 3417W)

103.55 J/TH

Canaan AvalonMiner A821 (11.5TH/s | 1200W)

104.35 J/TH

Ebang Ebit E9i (13.5TH/s | 1420W)

105.19 J/TH

Ebang Ebit E9.2 (12TH/s | 1320W)

110.00 J/TH

Ebang Ebit E9.3 (16TH/s | 1760W)

110.00 J/TH

Bitfily Snow Panther A1 (49TH/s | 5400W)

110.20 J/TH

Pantech SX6 (8.5TH/s | 1000W)

117.65 J/TH

Bitmain Antminer T9 (12.5TH/s | 1576W)

126.08 J/TH

Bitmain Antminer T9 (11.5TH/s | 1450W)

126.09 J/TH

Bitfury B8 (49TH/s | 6400W)

130.61 J/TH

Bitmain Antminer T9+ (10.5TH/s | 1432W)

136.38 J/TH

Ebang Ebit E10D (25TH/s | 3500W)

140.00 J/TH

Ebang Ebit E9+ (9TH/s | 1300W)

144.44 J/TH

Pantech WX6 (34TH/s | 5000W)

147.06 J/TH

Canaan AvalonMiner A741 (7.3TH/s | 1150W)

157.53 J/TH

MicroBT Whatsminer M3X (12.5TH/s | 2050W)

164.00 J/TH

MicroBT Whatsminer M3 M3V1 (12TH/s | 2000W)

166.67 J/TH

Ebang Ebit E9 (6.3TH/s | 1077W)

170.95 J/TH

VolcMiner D1 Mini Pre (2.2GH/s | 500W)

227.27 J/GH

Bitmain Antminer V9 (4TH/s | 1027W)

256.75 J/TH

Bitmain Antminer S7-LN (2.7TH/s | 697W)

258.15 J/TH

Bitmain Antminer S7 (4.73TH/s | 1293W)

273.36 J/TH

Bitmain Antminer S5 (1.155TH/s | 590W)

510.82 J/TH

Generation 2

31 miners

Ebang Ebit E12 (44TH/s | 2500W)

56.82 J/TH

Innosilicon T3+ (57TH/s | 3300W)

57.89 J/TH

MicroBT Whatsminer M21 (31TH/s | 1860W)

60.00 J/TH

MicroBT Whatsminer M21S (56TH/s | 3360W)

60.00 J/TH

Innosilicon T3 (50TH/s | 3100W)

62.00 J/TH

MicroBT Whatsminer M10S (55TH/s | 3500W)

63.64 J/TH

Canaan AvalonMiner A1047 (37TH/s | 2380W)

64.32 J/TH

Ebang Ebit E11 (30TH/s | 1950W)

65.00 J/TH

MicroBT Whatsminer M10 (33TH/s | 2145W)

65.00 J/TH

Canaan AvalonMiner A1066 (50TH/s | 3250W)

65.00 J/TH

Innosilicon T2 Turbo+ (32TH/s | 2200W)

68.75 J/TH

Bitmain Antminer S11 (20.5TH/s | 1530W)

74.63 J/TH

Holic H28 (28TH/s | 2100W)

75.00 J/TH

Holic H22 (22TH/s | 1700W)

77.27 J/TH

Bitfury Tardis (80TH/s | 6300W)

78.75 J/TH

Innosilicon T2 Turbo HF+ (33TH/s | 2600W)

78.79 J/TH

Bitmain Antminer S9 SE (16TH/s | 1280W)

80.00 J/TH

Innosilicon T2 Turbo (26TH/s | 2100W)

80.77 J/TH

GMO miner B2 (24TH/s | 1950W)

81.25 J/TH

Innosilicon T2 Turbo (24TH/s | 1980W)

82.50 J/TH

Canaan AvalonMiner A921 (20TH/s | 1700W)

85.00 J/TH

Bitfily Snow Panther B1+ (24.5TH/s | 2100W)

85.71 J/TH

Bitfily Snow Panther B1 (16TH/s | 1380W)

86.25 J/TH

Innosilicon T2 Terminator (17.2TH/s | 1570W)

91.28 J/TH

Ebang Ebit E10 (18TH/s | 1650W)

91.67 J/TH

Halong Mining DragonMint T1 (16TH/s | 1480W)

92.50 J/TH

Bitmain Antminer S9j (14.5TH/s | 1350W)

93.10 J/TH

Bitmain Antminer S9i (14TH/s | 1320W)

94.29 J/TH

Canaan AvalonMiner A841 (13.6TH/s | 1290W)

94.85 J/TH

Aisen A1 Pro Aixin (23TH/s | 2200W)

95.65 J/TH

Bitmain Antminer S9 Hydro (18TH/s | 1728W)

96.00 J/TH

Generation 3

31 miners

Canaan AvalonMiner A1246 (90TH/s | 3420W)

38.00 J/TH

Bitmain Antminer S17 Pro (50TH/s | 1975W)

39.50 J/TH

Bitmain Antminer S17 Pro (53TH/s | 2094W)

39.51 J/TH

Bitmain Antminer S17+ 266-Aa (73TH/s | 2920W)

40.00 J/TH

StrongU Hornbill H8 Pro (84TH/s | 3360W)

40.00 J/TH

Canaan AvalonMiner A1166 Pro (81TH/s | 3400W)

41.98 J/TH

MicroBT Whatsminer M31S+ (80TH/s | 3360W)

42.00 J/TH

MicroBT Whatsminer M31S (76TH/s | 3220W)

42.37 J/TH

Ebang Ebit E11++ (44TH/s | 1980W)

45.00 J/TH

Bitmain Antminer S17 (53TH/s | 2385W)

45.00 J/TH

Bitmain Antminer S17 (56TH/s | 2520W)

45.00 J/TH

Bitmain Antminer S17e (64TH/s | 2880W)

45.00 J/TH

StrongU Hornbill H8 (74TH/s | 3330W)

45.00 J/TH

StrongU STU-U8 (46TH/s | 2100W)

45.65 J/TH

StrongU STU-U8 Pro (60TH/s | 2800W)

46.67 J/TH

Bolon Miner B11 (70TH/s | 3300W)

47.14 J/TH

Innosilicon T3 (43TH/s | 2100W)

48.84 J/TH

MicroBT Whatsminer M20S (68TH/s | 3360W)

49.41 J/TH

Ebang Ebit E12+ (50TH/s | 2500W)

50.00 J/TH

iPollo B1L (60TH/s | 3000W)

50.00 J/TH

Bitmain Antminer T17+ 266-Aa (64TH/s | 3200W)

50.00 J/TH

Canaan AvalonMiner A1126 Pro (68TH/s | 3420W)

50.29 J/TH

Canaan AvalonMiner A1146 Pro (63TH/s | 3276W)

52.00 J/TH

MicroBT Whatsminer M32S (66TH/s | 3432W)

52.00 J/TH

Canaan Avalon 1146 Pro (63TH/s | 3276W)

52.00 J/TH

Innosilicon T3+ (52TH/s | 2800W)

53.85 J/TH

MicroBT Whatsminer M32 (62TH/s | 3348W)

54.00 J/TH

Ebang Ebit E11+ (37TH/s | 2035W)

55.00 J/TH

Bitmain Antminer T17 (40TH/s | 2200W)

55.00 J/TH

Bitmain Antminer T17e (53TH/s | 2915W)

55.00 J/TH

Innosilicon T3 (39TH/s | 2150W)

55.13 J/TH

Generation 4

31 miners

Bitmain Antminer S19 Pro+ Hydro (198TH/s | 5445W)

27.50 J/TH

Bitmain Antminer S19j Pro+ (122TH/s | 3355W)

27.50 J/TH

Bitmain Antminer S19 Pro+ Hydro (184TH/s | 5060W)

27.50 J/TH

Bitmain Antminer S19 Pro+ Hyd (191TH/s | 5252W)

27.50 J/TH

Bitmain Antminer S19 Pro+ Hydro (195TH/s | 5445W)

27.92 J/TH

Bitmain Antminer S19 Pro+ Hydro (191TH/s | 5445W)

28.51 J/TH

MicroBT WhatsMiner M56 (194TH/s | 5550W)

28.61 J/TH

Bitmain Antminer S19j Pro+ (117TH/s | 3355W)

28.68 J/TH

MicroBT Whatsminer M50 (114TH/s | 3306W)

29.00 J/TH

MicroBT Whatsminer M53 (230TH/s | 6670W)

29.00 J/TH

Canaan Avalon A1366I (122TH/s | 3570W)

29.26 J/TH

Bitmain Antminer S19j Pro (96TH/s | 2832W)

29.50 J/TH

Bitmain Antminer S19j Pro (104TH/s | 3068W)

29.50 J/TH

Bitmain Antminer S19 Pro Hydro (177TH/s | 5221W)

29.50 J/TH

Bitmain Antminer S19 Pro (110TH/s | 3250W)

29.55 J/TH

Canaan Avalon Made A1346 (110TH/s | 3300W)

30.00 J/TH

MicroBT Whatsminer M33S++ (242TH/s | 7260W)

30.00 J/TH

MicroBT Whatsminer M33S++ (226TH/s | 6820W)

30.18 J/TH

Bitmain Antminer S19j Pro (100TH/s | 3050W)

30.50 J/TH

MicroBT Whatsminer M30S++ (112TH/s | 3472W)

31.00 J/TH

MicroBT Whatsminer M30S+ (100TH/s | 3400W)

34.00 J/TH

MicroBT Whatsminer M36S+ (164TH/s | 5576W)

34.00 J/TH

Bitmain Antminer S19 (95TH/s | 3250W)

34.21 J/TH

Bitmain Antminer S19 Hydro (158TH/s | 5451W)

34.50 J/TH

Bitmain Antminer T19 Hydro (158TH/s | 5451W)

34.50 J/TH

Canaan Avalon Nano 3 (4TH/s | 140W)

35.00 J/TH

Bitmain Antminer S19j (90TH/s | 3250W)

36.11 J/TH

Bitmain Antminer T19 Model 240-Ca (84TH/s | 3150W)

37.50 J/TH

Bitmain Antminer T19 Hydro (145TH/s | 5438W)

37.50 J/TH

MicroBT Whatsminer M30S (86TH/s | 3268W)

38.00 J/TH

Bitmain Antminer T19 (88TH/s | 3344W)

38.00 J/TH

Generation 5

31 miners

MicroBT WhatsMiner M66 (280TH/s | 5572W)

19.90 J/TH

MicroBT WhatsMiner M60 (172TH/s | 3422W)

19.90 J/TH

MicroBT Whatsminer M61S (216TH/s | 4320W)

20.00 J/TH

NerdMiner NerdQaxe+ (2.5TH/s | 50W)

20.00 J/TH

NerdMiner NerdOCTAxe Rev 3.1 (12TH/s | 240W)

20.00 J/TH

Bitmain Antminer S19 XP Hydro (257TH/s | 5304W)

20.64 J/TH

Bitmain Antminer S19 XP Hydro 3U (512TH/s | 10600W)

20.70 J/TH

MicroBT WhatsMiner M63S++ (478TH/s | 10000W)

20.92 J/TH

Canaan Avalon Mini 3 (37.5TH/s | 800W)

21.33 J/TH

Magicminer BG02 (7TH/s | 150W)

21.43 J/TH

Bitaxe Supra Hex 701 (4.2TH/s | 90W)

21.43 J/TH

Bitmain Antminer S19 XP (140TH/s | 3010W)

21.50 J/TH

Bitmain Antminer S19j XP (151TH/s | 3247W)

21.50 J/TH

Canaan Avalon Made A1466 (150TH/s | 3230W)

21.53 J/TH

Bitmain Antminer T19 PRO Hydro (235TH/s | 5170W)

22.00 J/TH

Bitmain Antminer S19e XP Hyd (251TH/s | 5522W)

22.00 J/TH

MicroBT Whatsminer M50s++ (160TH/s | 3520W)

22.00 J/TH

Bitmain Antminer S19 XP (134TH/s | 3010W)

22.46 J/TH

Bitmain Antminer S19k Pro (120TH/s | 2760W)

23.00 J/TH

Bitmain Antminer S19k Pro (136TH/s | 3264W)

24.00 J/TH

NerdMiner NerdQaxe+ Hyd (2.5TH/s | 60W)

24.00 J/TH

Canaan Avalon Made A1446 (135TH/s | 3310W)

24.52 J/TH

Canaan Avalon Made A1366 (130TH/s | 3250W)

25.00 J/TH

LuckyMiner LV07 1TH/s (1TH/s | 25W)

25.00 J/TH

21energy Ofen 2 (40TH/s | 1000W)

25.00 J/TH

MicroBT Whatsminer M50S (128TH/s | 3276W)

25.59 J/TH

MicroBT Whatsminer M53S (260TH/s | 6760W)

26.00 J/TH

Bitmain Antminer S19 Pro++ (125TH/s | 3250W)

26.00 J/TH

MicroBT WhatsMiner M56S (212TH/s | 5550W)

26.18 J/TH

Magicminer BG01 (4.5TH/s | 120W)

26.67 J/TH

LuckyMiner Miner LV08 (4.5TH/s | 120W)

26.67 J/TH

Generation 6

31 miners

Bitdeer Sealminer A2 (226TH/s | 3729W)

16.50 J/TH

Bitdeer Sealminer A2 Hydro (446TH/s | 7359W)

16.50 J/TH

Bitmain Antminer S21+ (225TH/s | 3712W)

16.50 J/TH

Bitmain Antminer S21+ (216TH/s | 3564W)

16.50 J/TH

Canaan Avalon A15 Pro (220TH/s | 3662W)

16.65 J/TH

NerdMiner NerdOCTAxe (9.6TH/s | 160W)

16.67 J/TH

Canaan Avalon A1566HA 2U (480TH/s | 8064W)

16.80 J/TH

MicroBT WhatsMiner M60S+ (212TH/s | 3600W)

16.98 J/TH

MicroBT WhatsMiner M63S+ (424TH/s | 7208W)

17.00 J/TH

MicroBT WhatsMiner M66S+ (318TH/s | 5406W)

17.00 J/TH

Bitmain Antminer S21e Hyd (288TH/s | 4896W)

17.00 J/TH

Bitmain Antminer S21e Hyd (310TH/s | 5270W)

17.00 J/TH

MicroBT WhatsMiner M6DS+ (540TH/s | 9200W)

17.04 J/TH

NerdMiner NerdQaxe++ Rev 6.1 (6TH/s | 103W)

17.17 J/TH

NerdMiner NerdQaxe++ Hydro Rev 6.1 (6TH/s | 103W)

17.17 J/TH

Auradine Teraflux AT2880 (222TH/s | 3850W)

17.34 J/TH

Bitmain Antminer S21 (195TH/s | 3400W)

17.44 J/TH

Bitmain Antminer S21 (188TH/s | 3290W)

17.50 J/TH

Bitmain Antminer S21 (200TH/s | 3550W)

17.75 J/TH

Canaan Avalon A1566I (249TH/s | 4500W)

18.07 J/TH

21energy Ofen 2 Pro (60TH/s | 1100W)

18.33 J/TH

Canaan Avalon Made A1566 (185TH/s | 3420W)

18.49 J/TH

MicroBT WhatsMiner M63S (390TH/s | 7215W)

18.50 J/TH

MicroBT WhatsMiner M66S (298TH/s | 5513W)

18.50 J/TH

MicroBT WhatsMiner M60S (186TH/s | 3441W)

18.50 J/TH

Canaan Avalon Q (90TH/s | 1674W)

18.60 J/TH

Bitmain Antminer S19 XP+ Hyd 3U (586TH/s | 10900W)

18.60 J/TH

Bitmain Antminer T21 (190TH/s | 3610W)

19.00 J/TH

Bitmain Antminer S19 XP+ Hydro (279TH/s | 5301W)

19.00 J/TH

Bitmain Antminer S19 XP+ Hydro (293TH/s | 5567W)

19.00 J/TH

MicroBT WhatsMiner M63 (334TH/s | 6646W)

19.90 J/TH

Generation 7

32 miners

Bitmain Antminer S21 Pro (245TH/s | 3510W)

14.33 J/TH

MicroBT Whatsminer M76S (362TH/s | 5200W)

14.36 J/TH

MicroBT Whatsminer M73S (500TH/s | 7200W)

14.40 J/TH

Auradine Teraflux AH3880 (600TH/s | 8700W)

14.50 J/TH

MicroBT WhatsMiner M7D (634TH/s | 9200W)

14.51 J/TH

Bitaxe Gamma Turbo (2.4TH/s | 35W)

14.58 J/TH

Proto Rig (819TH/s | 12000W)

14.65 J/TH

MicroBT Whatsminer M70 (214TH/s | 3140W)

14.67 J/TH

Fluminer T3 (115TH/s | 1700W)

14.78 J/TH

MicroBT Whatsminer M78S (472TH/s | 7000W)

14.83 J/TH

Bitdeer SealMiner A2 Pro Air (255TH/s | 3790W)

14.86 J/TH

Bitdeer SealMiner A2 Pro Hydro (500TH/s | 7450W)

14.90 J/TH

Bitmain Antminer S21+ Hydro (395TH/s | 5925W)

15.00 J/TH

Bitmain Antminer S21+ Hydro (358TH/s | 5370W)

15.00 J/TH

Bitmain Antminer S21+ Hyd (319TH/s | 4785W)

15.00 J/TH

Auradine Teraflux AI3680 (375TH/s | 5625W)

15.00 J/TH

NerdMiner NerdQaxe++ (4.8TH/s | 72W)

15.00 J/TH

MicroBT Whatsminer M79S (930TH/s | 14000W)

15.05 J/TH

MicroBT Whatsminer M72S (264TH/s | 4000W)

15.15 J/TH

Bitmain Antminer S21 PRO (234TH/s | 3550W)

15.17 J/TH

MicroBT Whatsminer M73 (470TH/s | 7200W)

15.32 J/TH

MicroBT Whatsminer M76 (336TH/s | 5200W)

15.48 J/TH

MicroBT WhatsMiner M66S++ (356TH/s | 5518W)

15.50 J/TH

MicroBT WhatsMiner M6DS++ (592TH/s | 9200W)

15.54 J/TH

NerdMiner NerdQaxe++ Hydro (4.8TH/s | 76W)

15.83 J/TH

MicroBT Whatsminer M78 (440TH/s | 7000W)

15.91 J/TH

MicroBT WhatsMiner M60S++ (226TH/s | 3600W)

15.93 J/TH

Bitaxe Gamma Duo 650 (1.63TH/s | 26W)

15.95 J/TH

Bitmain Antminer S21 Hyd (335TH/s | 5360W)

16.00 J/TH

MicroBT Whatsminer M79 (870TH/s | 14000W)

16.09 J/TH

MicroBT Whatsminer M72 (246TH/s | 4000W)

16.26 J/TH

Bitmain Antminer S21+ (235TH/s | 3875.5W)

16.49 J/TH

Generation 8

32 miners

Bitaxe Supra 401 (600GH/s | 14W)

0.02 J/GH

Bitaxe Ultra 1366 (425GH/s | 11W)

0.03 J/GH

Bitmain Antminer S3 (478GH/s | 366W)

0.77 J/GH

Nerdminer V3 (1MH/s | 1W)

1.00 J/MH

Bitdeer SealMiner A4 Ultra Hydro (886TH/s | 8372W)

9.45 J/TH

Bitmain Antminer S23 Hydro (580TH/s | 5510W)

9.50 J/TH

Bitmain Antminer S23 Hyd 3U (1160TH/s | 11020W)

9.50 J/TH

Bitmain Antminer S23E Hyd 2U (865TH/s | 8650W)

10.00 J/TH

Bitdeer SealMiner A4 Pro Air (336TH/s | 3662W)

10.90 J/TH

Bitdeer SealMiner A4 Pro Hydro (680Th/s) (680TH/s | 7412W)

10.90 J/TH

Bitmain Antminer S21 XP+ Hyd (500TH/s | 5500W)

11.00 J/TH

Bitmain Antminer S23 (318TH/s | 3498W)

11.00 J/TH

Bitaxe Gamma 602 (1.3TH/s | 15W)

11.54 J/TH

Bitmain Antminer S21 XP HYDRO (473TH/s | 5676W)

12.00 J/TH

Bitmain Antminer S23 Immersion (442TH/s | 5304W)

12.00 J/TH

Bitmain Antminer S21j XP Hyd (495TH/s | 5940W)

12.00 J/TH

Bitdeer SealMiner A3 Pro Hydro (660TH/s | 8250W)

12.50 J/TH

Bitdeer SealMiner A3 Pro Air (290TH/s | 3625W)

12.50 J/TH

Canaan Avalon A16XP (300TH/s | 3850W)

12.83 J/TH

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More Information about the

Learn more about the 21energy Ofen 2 (40TH/s)

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Technical Specifications

Detailed hardware specifications and mining capabilities for 21energy Ofen 2 (40TH)

Basic Information

Brand

21energy

Model

Ofen 2

Release Date

April 2026

Algorithm

SHA-256

Performance

Hashrate

40 TH/s

Power Consumption

1000W

Noise Level

35db

Voltage

100-240V

Physical Dimensions

Size

900 x 320 x 140mm

Weight

24000gkg

Interface

WiFi / USB / Ethernet

Humidity

5 - 95 %

Temperature

5 - 45 °C

Cooling

Air

Mineable Cryptocurrencies

BTC

Bitcoin

BCH

Bitcoin Cash

Fractal Bitcoin

Algorithm Information: SHA-256

Learn more about the SHA-256 algorithm and how it works.

SHA-256 is a cryptographic hash function that serves as the backbone of Fractal Bitcoin proof-of-work consensus mechanism. This algorithm processes input data of any length and produces a fixed hash value, ensuring security and integrity in the mining process.

Crypto Mining Pools

Connect to the most reliable mining pools and maximize your crypto mining efficiency with optimized uptime and profitability.

Pool Name	Fee & Payment	Connect
NiceHash Hashpower Marketplace	Reseller	Connect
F2Pool Crypto Mining Pool	4% FPPS 2% PPLNS	Connect
ViaBTC Crypto Mining Pool	4% PPS+ 2% PPLNS	Connect
AntPool Crypto Mining Pool	4% FPPS 2% PPLNS	Connect
EMCD Crypto Mining Pool	1.5% FPPS	Connect
Kryptex Crypto Mining Pool	3% PPS+	Connect
BinancePool Crypto Mining Pool	2.5%	Connect

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Frequently Asked Questions

Everything you need to know about the 21energy Ofen 2 (40TH)

How efficient is the 21energy Ofen 2 40TH/s?

The efficiency of the 21energy Ofen 2 40TH/s is 25.00 J/TH with a hashrate of 40TH/s and power consumption of 1000W.

What are the electricity costs for the 21energy Ofen 2 40TH/s (USD)?

The 21energy Ofen 2 40TH/s consumes $1.92 daily, $57.60 monthly, and $700.80 yearly in electricity costs.

How much power does the 21energy Ofen 2 40TH/s use?

The 21energy Ofen 2 40TH/s uses 1000W of electricity.

Who manufactures the Ofen 2?

The Ofen 2 is manufactured by 21energy.

What is the hashrate of the 21energy Ofen 2?

The 21energy Ofen 2 has a hashrate of 40TH/s using the SHA-256 algorithm.

Which cryptocurrencies can be mined with the 21energy Ofen 2 40TH/s?

The 21energy Ofen 2 40TH/s can mine the following cryptocurrencies:

NiceHash (BTC) Bitcoin

Bitcoin (BTC)

Bitcoin Cash (BCH)

Fractal Bitcoin (FB)

Is the 21energy Ofen 2 40TH/s a profitable miner?

As of July 16, 2026 with an electricity cost of $0.08 the 21energy Ofen 2 40TH/s generates $-0.60 daily, $-18.00 monthly, and $-219.00 yearly.

What is the most profitable coin to mine with the 21energy Ofen 2?

Based on our real-time ASIC mining profit calculation, the 21energy Ofen 2 is currently most profitable mining Fractal Bitcoin at your electricity rate of $0.080/kWh. This can change as coin prices and network difficulty shift, so check the Mineable Coins table above for the latest ranking.

How accurate is this 21energy Ofen 2 profit calculator?

This ASIC mining profit calculation for the 21energy Ofen 2 uses live cryptocurrency prices, current network difficulty, and block rewards for every supported coin, combined with your custom electricity rate. Figures update automatically as network conditions change, so the profitability shown reflects current conditions rather than a static estimate.

Should I mine directly or sell hashrate on NiceHash with the 21energy Ofen 2?

NiceHash is a hashpower marketplace, not a traditional mining pool — instead of mining a coin directly, you sell your 21energy Ofen 2 hashrate to buyers and get paid in Bitcoin. Compare the NiceHash row against direct-mining rows in the Mineable Coins table above: whichever shows the higher Profit/Day at your electricity rate is currently the better option for this specific miner.

Where can I buy the 21energy Ofen 2?

This miner is not currently listed by any of our verified vendors. You can still use the profitability figures on this page to plan ahead for when new listings appear.