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Author Topic: IBM DPS-4KW PSU (Dual DPS-2000BB) Breakout Boards and Packages!!!  (Read 19765 times)
Finksy
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April 11, 2017, 03:18:13 AM
 #101

Finksy

is there any news about PICO's ? as i readed from yun9999's tread you was going to produce some bunch of PICO's and is this true ? Smiley if yes when they will be available for purchase. at this time i need 1 Deluxe 4K" Package and 4 PICO's...

GPU Packages now live! See thread here: https://bitcointalk.org/index.php?topic=1864539.0

IBM 2880W PSU Packages: https://bitcointalk.org/index.php?topic=966135 IBM 4K PSU Breakout Boards & Packages: https://bitcointalk.org/index.php?topic=1308296 
Server PSU-powered GPU rig solutions! https://bitcointalk.org/index.php?topic=1864539  Wallet address: 1GWQYCv22cAikgTgT1zFuAmsJ9fFqq9TXf 
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April 16, 2017, 04:55:13 PM
 #102

Hey I've sent you two pm regarding "big momma" package.
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April 17, 2017, 04:57:09 AM
 #103

Hey I've sent you two pm regarding "big momma" package.

PM'd back, thanks.

IBM 2880W PSU Packages: https://bitcointalk.org/index.php?topic=966135 IBM 4K PSU Breakout Boards & Packages: https://bitcointalk.org/index.php?topic=1308296 
Server PSU-powered GPU rig solutions! https://bitcointalk.org/index.php?topic=1864539  Wallet address: 1GWQYCv22cAikgTgT1zFuAmsJ9fFqq9TXf 
Jaz80
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April 17, 2017, 06:42:35 AM
 #104

Hi Finksy. I sent a pm regarding breakout boards. Thanks
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April 18, 2017, 08:28:23 AM
 #105

Sorry to ask this in your thread, but are these for sale in the EU too?
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April 20, 2017, 02:29:14 PM
 #106

I would also want to know the answer to the question above.

Cheers!
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April 23, 2017, 02:30:19 PM
 #107

I can ship to the EU, but shipping cables/PSU's is very heavy and VERY expensive from here in Canada.  People have had more success sourcing their own PSU's at least and purchasing the rest from me.  Keep trying to contact J4bberwock as well, he is based out of EU and this is his board design.

IBM 2880W PSU Packages: https://bitcointalk.org/index.php?topic=966135 IBM 4K PSU Breakout Boards & Packages: https://bitcointalk.org/index.php?topic=1308296 
Server PSU-powered GPU rig solutions! https://bitcointalk.org/index.php?topic=1864539  Wallet address: 1GWQYCv22cAikgTgT1zFuAmsJ9fFqq9TXf 
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April 25, 2017, 08:11:56 PM
 #108

I can ship to the EU, but shipping cables/PSU's is very heavy and VERY expensive from here in Canada.  People have had more success sourcing their own PSU's at least and purchasing the rest from me.  Keep trying to contact J4bberwock as well, he is based out of EU and this is his board design.

You got pm. Thanks
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April 25, 2017, 08:36:41 PM
 #109

I got 2 "Deluxe 4K" Packages about a month ago and I love them. They were perfect for getting my over-powered APW3+s off of my S7-LNs and freeing them up for my newest batch of S9s.  Grin  Cool

If you have to ask "why?", you wouldn`t understand my answer.
Always be on the look out, because you never know when you'll be stalked by hit-men that eat nothing but cream cheese....
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May 01, 2017, 08:47:15 PM
 #110

Sent you a pm for an order, thanks!
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May 04, 2017, 07:27:48 PM
 #111

Sent you a PM for an Order, Thanks.
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May 05, 2017, 07:27:46 PM
 #112

Thanks Finksy, sent you a pm
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May 08, 2017, 05:52:10 PM
 #113

PM'd as well Smiley
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May 21, 2017, 05:29:55 PM
 #114

PM'd you.
Culture
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May 23, 2017, 04:27:20 PM
 #115

I'm currently watching a 6-GPU rig pull 1090w at the wall (248v)... I'm looking to push this to an 8-GPU rig, and then replicate for a total of 3 mobos and 24 GPUs.  If I assume the non-GPU components take 150w per rig, that takes me to approximately 4250w (at the wall). I have external cooling available powered outside of this PSU, so assuming temperatures remain good.  (For example, my GPUs run at 60º +/- 3º all day long.

Do we think one of these DPS-4KW units will safely handle 4250w at the wall, continuously?

LoadedGunVPS - Preconfigured Gunbot VPS
Finksy
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May 24, 2017, 03:50:32 PM
 #116

OP updated, PM's being replied to as quickly as I can.

DPS-2000BB PSU's are out of stock and unavailable to me at the moment, so PSU packages are only available without PSU's for this time.  I still have many IBM 2880W PSU's in stock, and can use them for GPU packages as well.

To answer your question, 4250W at the wall at a 90% efficiency is only 3825W DC, or 95.6% load.  It is heavy, but with sufficient cooling it can work.  Heavier loads can impact PSU longevity, but unfortunately with these PSU's there doesn't seem to be any consistency in what that load is and if/when they will fail.  I have seen many of these PSU's run at over 100% load for extended period of time with adequate cooling, and I have seen them fail under moderate loads for no reason.

IBM 2880W PSU Packages: https://bitcointalk.org/index.php?topic=966135 IBM 4K PSU Breakout Boards & Packages: https://bitcointalk.org/index.php?topic=1308296 
Server PSU-powered GPU rig solutions! https://bitcointalk.org/index.php?topic=1864539  Wallet address: 1GWQYCv22cAikgTgT1zFuAmsJ9fFqq9TXf 
Culture
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May 24, 2017, 03:54:30 PM
 #117

OP updated, PM's being replied to as quickly as I can.

DPS-2000BB PSU's are out of stock and unavailable to me at the moment, so PSU packages are only available without PSU's for this time.  I still have many IBM 2880W PSU's in stock, and can use them for GPU packages as well.

To answer your question, 4250W at the wall at a 90% efficiency is only 3825W DC, or 95.6% load.  It is heavy, but with sufficient cooling it can work.  Heavier loads can impact PSU longevity, but unfortunately with these PSU's there doesn't seem to be any consistency in what that load is and if/when they will fail.  I have seen many of these PSU's run at over 100% load for extended period of time with adequate cooling, and I have seen them fail under moderate loads for no reason.

Awesome, and thank you for that insight.  I saw your OP update about PSUs out of stock, and have sourced two separately in anticipation of your return.

LoadedGunVPS - Preconfigured Gunbot VPS
Finksy
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May 24, 2017, 03:55:07 PM
 #118

OP updated, PM's being replied to as quickly as I can.

DPS-2000BB PSU's are out of stock and unavailable to me at the moment, so PSU packages are only available without PSU's for this time.  I still have many IBM 2880W PSU's in stock, and can use them for GPU packages as well.

To answer your question, 4250W at the wall at a 90% efficiency is only 3825W DC, or 95.6% load.  It is heavy, but with sufficient cooling it can work.  Heavier loads can impact PSU longevity, but unfortunately with these PSU's there doesn't seem to be any consistency in what that load is and if/when they will fail.  I have seen many of these PSU's run at over 100% load for extended period of time with adequate cooling, and I have seen them fail under moderate loads for no reason.

Awesome, and thank you for that insight.  I saw your OP update about PSUs out of stock, and have sourced two separately in anticipation of your return.

Great, thanks for taking the initiative! PM'ing you back now BTW.

IBM 2880W PSU Packages: https://bitcointalk.org/index.php?topic=966135 IBM 4K PSU Breakout Boards & Packages: https://bitcointalk.org/index.php?topic=1308296 
Server PSU-powered GPU rig solutions! https://bitcointalk.org/index.php?topic=1864539  Wallet address: 1GWQYCv22cAikgTgT1zFuAmsJ9fFqq9TXf 
flminer
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May 28, 2017, 08:30:50 PM
 #119

PM sent. Still trying to get a rig package bought. Thanks
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May 29, 2017, 09:43:32 PM
 #120

How would you suggest wiring for one of these beasts at home?
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