Antminer S4 Review - Is It Profitable?

A minimum of 1470 Bitcoins has to be dumped on the market just to cover electricity cost

Unpleasant Truth...
3975 BTC are mined every day 24x60/9.06x25=3974 (24 hours x 60 minutes / ~9.06 average time between blocks x 25 BTC block reward)
Assuming that the mining farms in China are using the most efficient ASIC miner available on the market, that is to say the Antminer S4, it would cost about 37%* of their mined Bitcoins just to cover the electricity cost at a rate of $0.08/kWh which is the average electricity price in China and India.
So everyday, a minimum of 37% of the newly created coins has to be dumped on the market. Which is 1470.75 BTC or 423,576 USD.
In an ideal world where everyone uses the most efficient ASIC miner, lives in China or India, and holds all their mined coins (and only dump as much as they need to cover the electricity), a minimum of $423,576 worth of Bitcoins has to be bought everyday on the market to maintain a stable price (no price drops). Which in fact is more likely to be double $423,576 as miners also want to make a profit (by dumping more of their BTC for $). Also, miners are located all around the world (higher electricity rates) and not everyone uses the most efficient Bitcoin miners (Bitcoin miners have to cover for the hardware cost too!).
* S4 specs are 2TH/s for 1.38kW/h at a rate of $0.08/kWh, BTC price at $288, difficulty at 40,640,955,016.58 and block reward of 25BTC: (1.38*0.08*24)/(86400/(40640955016.58*2^32/(2*10^12))*25*288) ~ 37%
submitted by Thireus to Bitcoin [link] [comments]

Antminer S4s for sale

I'm selling my Antminer S4 bitcoin miners.
I have two for sale. I'm asking the R2000 each (or the equivalent in bitcoin) for them. The price is negotiable.
I'm based in Alberton. You will have to collect them.
I've been running the miners since November 2014. They running stably at 10% overclocked (2.2Th/s) since I got them. They are running the lastest firmware provided at Bitman. Everything is already setup, just plug the miners into your router and give them power.
I'm moving to an apartment and can't take them with me.
Warning: Bitcoin miners are extremely noisy and produce a lot of heat.
submitted by earthlingmikey to BitcoinSouthAfrica [link] [comments]

My BTC Mining Rig using Antminers S4 and Antminers S5 Bitcoin Madencileri - Minerlar Günde, Ayda Kaç Lira Kazandırıyor? - Para Nette TV - Bölüm 28 Antminer S4 Bitmain noise Bitmain Antminer S4 ASIC SHA-256 2000 GH/S Bitcoin Mining Machine AntMiner S4 ~2000Gh s @ 0.69W Gh 28nm ASIC Bitcoin Miner

Der AntMiner S4 ist die neueste Generation der Hochleistungs Bitcoin Miner von Bitmain Tech mit 2 TH/s und einer Energieeffizienz von 0,69 Watt/GH Die überarbeitete Version des bekannten Antminer S2 ist als Standalone-Gerät für das Mining von SHA256-basierten Cryptocoins (u.a. Bitcoins, Namecoins, etc.) optimiert, erbringt eine Leistung von nominal 2 TH/s und wurde von uns auf ... The AntMiner S4 is the fourth generation Bitcoin mining rig by Bitmain. It uses the state of the art BM1382 chip powered by the 28nm tech process with ultra-low power consumption. This item has been gently used and is working perfectly. The Antminer S4 is ready to be used, plug and mine! Bitmain New Water Cooling Miner AntMiner S9 Hydro 18T Asic Miner Bitcoin BTC Mining Machine Include APW5 PSU 1.0 out of 5 stars 1. 1 ... Right out of the gate it was hashing over 1.8TH/s, then up over 2TH/s within 15min. Setup was a snap, as close to plug and play mining as you can get. If you want a really fast and efficient miner I would recommend it, just have an out of the way place to run ... 【Tutorial & Setting up】Bitcoin Miner Antminer S4 2TH Btc Miner for Bitcoin mining 2000GH Super ASIC Miner Best Bitcoin Miner Better Than Dragon Miner October 10, 2014 {UPDATE} This blog had moved to our official site: WWW.EASTSHORE.XYZ; Check our official site for the newest bitcoin miner, the most updated tutorial and amazing support! :-) {Import Note} Please DON'T overclock the Antminer ... offers 120 2th s bitcoin miner products.

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My BTC Mining Rig using Antminers S4 and Antminers S5

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