Bitmain the L7 is an fn joke. DO NOT preorder this until you see one running from a reputable source. If you have one ordered, I would start to act now to
Bitmain Antminer L7 9,500MH/s for DOGE and LTC Miner | Viperatech
Unboxing the MONSTER L7! - YouTube
Bitmain Antminer L7 9,500MH/s for DOGE and LTC Miner | Viperatech