China-Based Bitmain Ships Latest Bitcoin Miner – Antminer S5

China-based Bitmain started shipping its latest bitcoin miner, Antminer S5, on December 27th. The bitcoin mining tech company will ship second and third batches of the new miner on January 4th and January 8th respectively.

The new miner has already achieved “#1 Best Seller” status in Amazon’s Computer Servers section.

In late 2013, Bitmain released its ground-breaking Antminer S1 to the market. The S1 provided a small form factor, reduced noise levels but maintained hashing power, which is ideal for home miners. Months later, the next model, Antminer S3, was made available.

The S5 improves upon the foundation of the S1 and S3 with the more efficient BM1384 chip, improved cooling, and new management solution.


Bitmain’s 3rd generation Bitcoin mining ASIC, the BM1384, provides significant improvements over the previous BM1382 chip. Hashrate per mm2 at voltage 0.75V has been increased over 20 percent while reducing power consumption by 30 percent.

For the cooling solution, heat will be dissipated from the top of the chips, which are powered in a chain style design on the PCB. This PCB layout concentrates the heat onto one side of the board, making heat diffusion efficient. Two customized aluminium heat sinks draw all the heat to the middle of the miner, and allow the use of just one fan to keep the S5 cool and quiet.


The new mining solution is user friendly even for the beginner miner, with miner status monitoring, pool configuration modification, firmware upgrade, and administrative privilege sharing over the web.


Antminer S5 Specifications
Hash Rate: 1155 GH/s ±5%
Power Consumption: 590 W (at the wall)
Power Efficiency: 0.51 J/GH (at the wall)
Rated Voltage: 12V
Dimensions: 298 mm x 137 mm x 155 mm
Cooling: 1x 12038 fan
Operating Conditions: 0 °C to 35 °C
Certified By: FCC / CE
Network Connection: Ethernet

Bitmain will be showcasing its technology at the 2015 International CES Show in Las Vegas, USA – January 6-9, 2015.

Journalist, policy analyst, and evangelist of new, disruptive technologies including big data analytics, Internet of Things, and cryptocurrencies. Internet industry veteran with regional c-suite experience, and journalist credentials earned at, Internet World magazine, and Mecklermedia Corporation.
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