$450 seems little high
with shipping and customs tax on top.
and poor English support. The new SP is far more efficient and what Asicminer has coming.
Underclocked, i'm getting < 0.51w/gh (at the wall) with my SP20 already, and at 1.1TH/s... I see no reason to buy S5 since the SP20 gives that at low clock, and then I have space to move up if I want to.
(friedcat did a similar thing with the prisma - saying if you can feed it 11V its more efficient - but in reality thats easier said than done)
If you assume an MOQ:2 as before, and shipping of ~$100/unit like for the S3 you get two approximate options;
3x SP20 = $1900 shipped, or $630/unit
3x S5 = $1350+shipping (~$300) = $1650, or $550/unit
or
15xSP20 = $8000 shipped = $533 each
20x S5 = $8400 (no info on shipping) = $420 each (plus ~$50 shipping?)
TBH its not bad pricing on both sides, but the spondoolies have FAR more flexibility to adjust for higher hashrate or better efficiency, while the S5 is stuck based on the input voltage.
Worst still, the SP20 has been out for a while, the S5 is just being released. Bitmain wasted too many resources on the U3 and C1. Where bitmaintech used to be at the forefront, they are now on the back foot.
The S5 is coming out way too late to be a serious contender.
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