Bitmain Antminer S4 Batch 2 SHA-256 BTC Bitcoin Miner 2TH/s @ 1400w

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Shipping to USA only. This listing is for 1 Used, Fully Tested and Functional Bitmain S4 Batch 2 Bitcoin Miner 2TH/s @1400 watts. These units have a built in Power supply and are from Batch 2. They do not have any issues with the power supply that batch 1 had. If you want 10 or more let me know and I will make a special listing for you. Please see my other Bitmain listings: 16x Used Bitmain Antminer S4 New Bitmain Antminer S5 52x New Bitmain Antminer S5 New Bitmain Antminer C1 Used Bitmain Antminer S3+ Since I am also selling this item in a bulk pack I reserve the right to cancel and refund the transaction before shipment if no longer available. Products ship from our warehouse in USA. Processing time is 1-3 business days and shipping takes 1-6 business days to get to you. Specifications: * Chip Operating Voltage: 0.72V * Chip Quantity per unit: 160 * Hash Rate: 2,000GH/s guaranteed * Power Efficiency: 0.69Watt/GH/s at the wall * Over clocking: About 10%, but not guaranteed * 3U Rack 432mm*442mm*133mm * PSU inside: 1400W, 80PLUS gold, C13 power cable needed and not included. You may look for one line with no less than 16A in your local market * Temperature: 40-50 degree Celsius tested in the mining farm * Fan Speed: 3900RPM * Stable but a little bit noisy * Ethernet connection, Stand alone * Certificate Compliance: read more