new SP20 price! $795
with discount code and shipping of 2 units (3.4TH): 4.5 BTC
7* bitmain S3+ units (3.4 TH) with coupons and shipping this week = 4.7 BTC
4* Bitmain C1 (4TH) with watercooling and shipping this week = 5.3 BTC (4.64 for 3.5TH)
wrong math1x SP20 price! $795+shipping 1700GH/s
2x C1 price $800+shipping 2000GH/s
Which one is more GH/s ?