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[lastpost] => 2772570 比特币今日新闻：美联储降息和 ETF 流入推动比特币牛市（转） 1760089024 rainwang
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[虚拟币交流]
比特大陆发布最新矿机S21 Hyd和S21！比特币挖矿效率提升22%（转载）
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比特币在明年将迎来四年一次的减半，成为加密货币市场最津津乐道的牛市启动叙事，
1 a: P. ^: n' A/ }0 A/ o全球最大的矿机生产商比特大陆(BITMAIN)，在9月22日至23日香港举办之2023年全球数字矿业峰会正式发表，
" W. B; T8 r" Q峰会主题是「蓄力赴牛市，挖矿正当时」，暗示即将可能到来的比特币牛市。0 ]- ^# \/ w7 T3 I, E3 J
发布最新机种S21Hyd
' v( _! q* x- k$ C整场峰会中，市场最为关注的即是比特大陆发布两款最新Antminer比特币矿机，一台是水冷的S21Hyd和S21，
) T9 L/ s6 U! E% r# H# n* I& E根据比特大陆发表的数据来看，S21Hyd的算力达到335T，功耗仅仅为16W/T，而S21也有亮眼表现，算力达到
. i4 }" U8 l4 z) |0 T200T，功耗为17.5W/T，相较于上一代的S19XP功耗为21.5W/T，S21系列下降了至少18%，等同挖矿效率提升9 X8 ?1 r8 M$ N# ]. I Y- C- f m+ x
22%，成为史上最低耗能的比特币矿机。9 M0 ^8 n* T% N2 C) y
值得一提的是，ANTMINER S21 Hyd在最高耗能模式下，平均温度低于45度，基本模式下也会低于40度，目前8 f* m5 E3 ~8 e
根据比特大陆官网表示，现在S21Hyd主打先挖后付款的方式，目前只要在10月7日前完成注册并支付订金，就可
t7 h7 G$ X) }' ~% P以享以每14/T美元的价格入手，等同于S21一台只要2,800美元，S21Hyd一台要4,690美元。
+ r& d- a) w8 z' f3 y7 P' H回本周期不到一年
' O: _6 R" g9 a8 j以NiceHash计算的话，保守估计这台蚂蚁矿机S21Hyd每天的收益至少落在20.76镁，而这还仅是以当前比特币 k" f# Q& p2 d) Z' H6 V( {
价格计算，扣除电力成本，每日净收益落在13美元，若难度与币价收益默认不变的情况下，回本周期仅要360# u" @9 x) E) G& ~: `$ a
天，不到一年。
" h$ R- }" t4 @* R; H; z: y2 |比特大陆过往创造了首次低于100J/T的S9，到34.5J/T的S19，29.5J/T的S19Pro，21.5J/T的S19XP，20.8J/T的
9 y! {; Z) l- P3 p) X z$ tS19XPHyd，如果从2013年S1的2000J/T来看，现行矿机功耗降幅已达100倍，算力增加了1,400倍。
, ~8 H8 l" O) x6 L7 N; [" j& l" F* u% H7 f
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