Bitcoin Merch® - Antminer R4 Silent Bitcoin Miner 7.5 TH/s For Home Use - Very Quiet!

2-4 Weeks Shipping TimeMinable coins Mining Algorithm: SHA-256. Minable Coins: Bitcoin (BTC), BitcoinCash (BCH), Acoin (ACOIN), Curecoin (CURE), Joulecoin (XJO), Unbreakable (UNB), Peercoin (PPC), Mark (DEM), Terracoin (TRC), BitcoinSV (BSV). Condition - Professionally Refurbished by Bitcoin Merch. 30 Days Bitcoin Merch Warranty included. Will have some wear and tear/signs of use!   Bitcoin mining calculator   *Profits per day excluding electricity cost     R4 Specifications: • Hash Rate:  8 TH/s (Variation of ±8% is expected) • Power Consumption: 845W +9% at the wall (with Bitmain’s APW5 PSU, 93% efficiency, 25°C ambient temp) • Power Efficiency: 0.1 J/GH +9% at the wall (with Bitmain’s APW5 PSU, 93% efficiency, 25°C ambient temp) • Noise level: 52dB (at an ambient temperature of 35°C) • Chip quantity per unit: 126 x BM1387 • Rated Voltage: 11.60 ~13.00V • Product size: 515mm (L) x 100mm (W) x 222mm (H) • Package size: 610mm (L) x 215mm (W) x 340mm (H) • Operating Temperature: 0°C t