ANTMINER S3+ BITCOIN MINERS B8(FREE SHIPPING IF YOU BUY 2 OR IN NELSPRUIT

b8 units   S3+ Specifications:   Hash Rate: 453 GH/s±5% with great OC potential Power Consumption: 355 Watt at the wall Power Efficiency: 0.78J/GH on wall Power Supply: 12V DC Size: 331 mm x 137 mm x 160 mm Fans: Two fans mounted on both front and back ends Operating Temperature: 0 °C to 35 °C Complied with: FCC / CE Network Connection: Ethernet   Power consumption: This figure depends on the PSU efficiency, ambient temperature and the accuracy of the power meters.     Notes:   1) Power consumption: This figure depends on the PSU efficiency, ambient temperature and the accuracy of the power meters. 2)   PSU: You have to prepare your own the ATX PSU. The S3+ ships without a PSU. There are 4 PCI-e connectors for +12V DC input, but it only needs to connect two of them if without overclocking (PSU not included). Don’t parallel connected different DC input from different PSU into the same Hashing board.       Features:   Stand alone: The S3+ mines stand alone, needs no proxy server.   Quiet: The customized heat sinks mounted to the hash boards, one box over S3+ to control the air flow, two fans mounted on both front and back ends that mean fans are able to work at lower speed to dissipate all heat easily. This design let S3+ run at much lower noise level.   Stable: Running 24 hours a day with minimal downtime.   Accurate: Hardware Error got from the sample unit rate is as low as 0.01%, hundreds times better than some competing products.   Efficient: High energy efficiency to save your investment on PSU and electricity bills.