<p>The main hardware difference is, the hash board heat sinks are different heights! You cannot use all 3 S9i hash boards in a regular S9. The S9i heat sinks are 3mm smaller on the bigger heat sink side(silver) and the smaller brown heat sinks on the other side are 3mm taller. You can only fit 2 S9i hash boards in a S9 housing.</p>

CC BY-SA 4.0
2019-01-04T07:39:42.233Z
Wow that's insane. Do you think that's what Bitmain was using all along?
Learn2Mine
CC BY-SA 4.0
2018-12-30T21:14:01.987Z
2018-12-30T21:14:01.987Z
OldSchoolCPU
<p>Same difference minus the 20 Watts of savings as mentioned above. It also seems they are dropping the price and moving bountiful amounts compared to before. Sites like Blokforge <a href="https://blokforge.com/product/bitmain-antminer-s9i-14-th-s/" rel="nofollow noreferrer">https://blokforge.com/product/bitmain-antminer-s9i-14-th-s/</a> are carrying hundreds of these units unlike any time in the past where units were limited to 1 or 2 per person. </p>

CC BY-SA 4.0
2018-06-25T20:51:34.507Z
2018-06-25T20:51:34.507Z
Brandon
<p>S9i is an upgraded version of s9, shares almost the same hashrate 13TH/s+-10% and power consumption at 1300w+-10%, S9i is cheaper than S9.</p>

CC BY-SA 4.0
2018-05-10T02:56:12.337Z
2018-05-10T02:56:12.337Z
Mocaco 
<p>Only difference is price -- It is exact the same machine!      They have changed software a drop to save about 20 watts per unit that means about $1 per month savings just about no difference.</p>

<p>Just a marketing game they will be releasing the newest hardware soon, JUNE I imagine .. for September shipping! </p>

CC BY-SA 4.0
2018-05-10T13:25:10.930Z
That is exactly my thought @Kris they will probably be dumping their old s9s so they can put in s11's.
Learn2Mine
CC BY-SA 4.0
2018-05-14T17:24:40.010Z
Is it possible to put s9i software on an s9?
Learn2Mine
CC BY-SA 4.0
2018-05-10T05:58:00.993Z
2018-05-20T15:14:20.057Z
2018-05-20T15:14:20.057Z
kris
<p>On the Bitmain Website they now list the Antminer S9i how is this different than the S9?</p>

<mining-hardware><antminer>
What are the Differences Between an Antminer S9 and an Antminer S9i
Learn2Mine
# What are the Differences Between an Antminer S9 and an Antminer S9i

(Asked by: username_0 on 2018-05-09)

On the Bitmain Website they now list the Antminer S9i how is this different than the S9?

**Tags:** mining-hardware, antminer


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## 4 answers

### Answer by username_1 on 2018-12-30. Score: 1 | Accepted answer

The main hardware difference is, the hash board heat sinks are different heights! You cannot use all 3 S9i hash boards in a regular S9. The S9i heat sinks are 3mm smaller on the bigger heat sink side(silver) and the smaller brown heat sinks on the other side are 3mm taller. You can only fit 2 S9i hash boards in a S9 housing.

> **Comments:**
> **username_0**: Wow that's insane. Do you think that's what Bitmain was using all along?  

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### Answer by username_2 on 2018-06-25. Score: 2

Same difference minus the 20 Watts of savings as mentioned above. It also seems they are dropping the price and moving bountiful amounts compared to before. Sites like Blokforge <https://blokforge.com/product/bitmain-antminer-s9i-14-th-s/> are carrying hundreds of these units unlike any time in the past where units were limited to 1 or 2 per person.


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### Answer by username_3 on 2018-05-10. Score: 2

S9i is an upgraded version of s9, shares almost the same hashrate 13TH/s+-10% and power consumption at 1300w+-10%, S9i is cheaper than S9.


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### Answer by username_4 on 2018-05-10. Score: 0

Only difference is price -- It is exact the same machine! They have changed software a drop to save about 20 watts per unit that means about $1 per month savings just about no difference.

Just a marketing game they will be releasing the newest hardware soon, JUNE I imagine .. for September shipping!

> **Comments:**
> **username_0**: That is exactly my thought @username_4 they will probably be dumping their old s9s so they can put in s11's.  
> **username_0**: Is it possible to put s9i software on an s9?  

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