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Topic: Server PSU or ATX PSU? (Read 3386 times)

full member
Activity: 846
Merit: 115
March 16, 2018, 09:25:59 PM
#47
For me in expensive California electric rates @15 cents and higher I only go with EVGA T2 titanium. Been running 24/7 for 6 months without issues. Anything less than titanium  I don't touch.  I also make sure I got 240 volt for max efficiency at 96 percent.

People that pick gold PSU is low class in my eyes
sr. member
Activity: 658
Merit: 253
February 23, 2018, 02:25:11 PM
#46
When building a farm I would not recommend saving on two things-this is the motherboard and power supply, it is best to buy an ATX power supply PSU, because it will be able to save your graphics card in a critical situation while PSU is designed only to work 24/7.
newbie
Activity: 210
Merit: 0
February 23, 2018, 02:01:33 PM
#45
Quote
I have the hp 1200 server psu for risers and gpus.

server PSUs are awesome. they are MADE to be on 24/7 and when on a 240v outlet they get the true power and reduced amps. people who don't know are missing out on getting a faster ROI. I got 5 HP 1200 server PSUs on ebay for $50 each. so $250 for all of them and they are platinum rated as well. 1 ATX would be more than that at 1200+ watts. Breakout boards and wires would be another $30 total per PSU also (max). 

Same as me, I bought six 1200w platinum HP server psu`s for peanuts. They are designed for critical infrastructure and will run 24/7 for years.
full member
Activity: 420
Merit: 184
February 23, 2018, 01:59:35 PM
#44
If using a mobo that requires risers for the GPUs then sure, a PICO + server psu is the way to go, but if using a riserless mobo like the Onda D1800, etc., then you pretty much have to use an ATX PSU, with or without a server PSU.
full member
Activity: 602
Merit: 106
February 23, 2018, 01:56:09 PM
#43
I hate ATX psu`s, they are bulky, heavy, expensive. PICO is microscopic compared to ATX.

Yeah, and it also blows up when overloaded and takes the mobo with it. No thanks.


That's why I only use ATX to power low power components (MOBO, CPU, SSD, fans).

The only problem with PICO can be a MOBO that won't POST with 12.5 volts that most server PSUs provide. There was a topic on this forum not so long ago where someone had a non POSTing miner because of that.

But PICO is usually the best way to go (save some money and space Wink)!

I do the exact same set up on 5 mining rigs. ATX for mobo, cpu, and ssd only and I have the hp 1200 server psu for risers and gpus.

server PSUs are awesome. they are MADE to be on 24/7 and when on a 240v outlet they get the true power and reduced amps. people who don't know are missing out on getting a faster ROI. I got 5 HP 1200 server PSUs on ebay for $50 each. so $250 for all of them and they are platinum rated as well. 1 ATX would be more than that at 1200+ watts. Breakout boards and wires would be another $30 total per PSU also (max). 
Smiley
jr. member
Activity: 76
Merit: 1
February 23, 2018, 01:53:40 PM
#42
I hate ATX psu`s, they are bulky, heavy, expensive. PICO is microscopic compared to ATX.

Yeah, and it also blows up when overloaded and takes the mobo with it. No thanks.


That's why I only use ATX to power low power components (MOBO, CPU, SSD, fans).

The only problem with PICO can be a MOBO that won't POST with 12.5 volts that most server PSUs provide. There was a topic on this forum not so long ago where someone had a non POSTing miner because of that.

But PICO is usually the best way to go (save some money and space Wink)!

I do the exact same set up on 5 mining rigs. ATX for mobo, cpu, and ssd only and I have the hp 1200 server psu for risers and gpus.

server PSUs are awesome. they are MADE to be on 24/7 and when on a 240v outlet they get the true power and reduced amps. people who don't know are missing out on getting a faster ROI. I got 5 HP 1200 server PSUs on ebay for $50 each. so $250 for all of them and they are platinum rated as well. 1 ATX would be more than that at 1200+ watts. Breakout boards and wires would be another $30 total per PSU also (max). 
full member
Activity: 602
Merit: 106
February 23, 2018, 01:23:04 PM
#41
I hate ATX psu`s, they are bulky, heavy, expensive. PICO is microscopic compared to ATX.

Yeah, and it also blows up when overloaded and takes the mobo with it. No thanks.


That's why I only use ATX to power low power components (MOBO, CPU, SSD, fans).

The only problem with PICO can be a MOBO that won't POST with 12.5 volts that most server PSUs provide. There was a topic on this forum not so long ago where someone had a non POSTing miner because of that.

But PICO is usually the best way to go (save some money and space Wink)!
full member
Activity: 420
Merit: 184
February 23, 2018, 01:14:14 PM
#40
I hate ATX psu`s, they are bulky, heavy, expensive. PICO is microscopic compared to ATX.

Yeah, and it also blows up when overloaded and takes the mobo with it. No thanks.

full member
Activity: 602
Merit: 106
February 23, 2018, 01:11:20 PM
#39
I hate ATX psu`s, they are bulky, heavy, expensive. PICO is microscopic compared to ATX.
True that!
newbie
Activity: 210
Merit: 0
February 23, 2018, 01:10:45 PM
#38
I hate ATX psu`s, they are bulky, heavy, expensive. PICO is microscopic compared to ATX.
full member
Activity: 602
Merit: 106
February 23, 2018, 01:08:41 PM
#37
I think server PSUs are using for providing to GPU only (It looks). I saw breakout card on eBay, but there are no ATX 24pins on the board. How you guys connect those for operating together?

You use PICO to power mobo/ssd/cpu. PICO gets power from server PSU breakout board.
Also, you can use 2 different PSUs - 1. is server PSU and the 2. is usual ATX PSU. I'm using server PSU to power my GPUs and ATX for MOBO+other low power components. Choose what fits best for you Smiley
newbie
Activity: 210
Merit: 0
February 23, 2018, 12:59:08 PM
#36
I think server PSUs are using for providing to GPU only (It looks). I saw breakout card on eBay, but there are no ATX 24pins on the board. How you guys connect those for operating together?

You use PICO to power mobo/ssd/cpu. PICO gets power from server PSU breakout board.
full member
Activity: 420
Merit: 184
February 23, 2018, 12:27:49 PM
#35
I think server PSUs are using for providing to GPU only (It looks). I saw breakout card on eBay, but there are no ATX 24pins on the board. How you guys connect those for operating together?

Oh fercryinoutloud - I answered this in post #32.
newbie
Activity: 21
Merit: 0
February 05, 2018, 07:01:25 PM
#34
I just hooked up a rig with a 1000w ATX powersupply running 2 1080 ti's and another 1000w server powersupply with a breakoutboard connected to it and individual cables to each card and risers, powering an additional 2 1080 ti's.

I could maybe add another card, but 1080 ti's are such beasts I don't want to get too close to capacity.

I will post a photo of what I did, but very happy with the sever PSU's and in the future, will use a small PSU for the motherboard only and a server PSU for cards.

sr. member
Activity: 794
Merit: 272
January 25, 2018, 07:39:24 PM
#33
Can someone clarify the response to the OP's question about having one PSU for the motherboard and the Server PSU dedicated to PCIE adapters for the cards?

I read the reply where someone said they turn on the server pSU 1 second before the main power, but I was wondering if there were opinions on this. I have read other people online say not to do that, but they didn't display a reason why/how it is dangerous.

Thanks

I don't use server PSU's but I have them turn on at the same time by having a dual PSU cord. The one below is good for 2000W or so.

https://www.amazon.com/Leboo-Motherboard-Mainboard-Connector-Extension/dp/B075VRMQ55/ref=sr_1_1_sspa?ie=UTF8&qid=1516760109&sr=8-1-spons&keywords=dual+PSU+cable&psc=1

That's exactly the cable I used when I hooked up one 350w (yes I know) and one 650w PSU to a rig with one 1080 and 1080ti and it killed one of the PSU's (I forgot which), I realize - the draw was too much and that 350w does not mean 350w is maximum draw.

Useful https://youtu.be/MPjj9EejrYg

I have used it for 6x 1080 TI rigs and they have been running perfectly stable for months and months. This was done with a 1300W and a 1000W PSU. Maybe its a problem with your setup or that particular cable that you received.
full member
Activity: 420
Merit: 184
January 25, 2018, 01:50:07 PM
#32
Can someone clarify the response to the OP's question about having one PSU for the motherboard and the Server PSU dedicated to PCIE adapters for the cards?

I read the reply where someone said they turn on the server pSU 1 second before the main power, but I was wondering if there were opinions on this. I have read other people online say not to do that, but they didn't display a reason why/how it is dangerous.

Thanks

I have a 6 GPU rig with the mobo supplied by an ATX PSU and the PCIe power connectors on each card supplied by an HP server PSU. I leave the server PSU on all the time without issue. The only real requirement is that GPU power be present at the same time or before the mobo is turned on.

newbie
Activity: 21
Merit: 0
January 25, 2018, 01:14:21 PM
#31
Can someone clarify the response to the OP's question about having one PSU for the motherboard and the Server PSU dedicated to PCIE adapters for the cards?

I read the reply where someone said they turn on the server pSU 1 second before the main power, but I was wondering if there were opinions on this. I have read other people online say not to do that, but they didn't display a reason why/how it is dangerous.

Thanks

I don't use server PSU's but I have them turn on at the same time by having a dual PSU cord. The one below is good for 2000W or so.

https://www.amazon.com/Leboo-Motherboard-Mainboard-Connector-Extension/dp/B075VRMQ55/ref=sr_1_1_sspa?ie=UTF8&qid=1516760109&sr=8-1-spons&keywords=dual+PSU+cable&psc=1

That's exactly the cable I used when I hooked up one 350w (yes I know) and one 650w PSU to a rig with one 1080 and 1080ti and it killed one of the PSU's (I forgot which), I realize - the draw was too much and that 350w does not mean 350w is maximum draw.

Useful https://youtu.be/MPjj9EejrYg
sr. member
Activity: 462
Merit: 258
Small Time Miner, Rig Builder, Crypto Trader
January 23, 2018, 09:26:43 PM
#30
atx psu are better they offer surge protection, they are also more plug and play and less hassles, but they cost more, personally i would go with atx, saving $200 is not that important now with the current profit, you can roi in the same time

roi in the same time, no that's not true, more cost = longer roi, less cost = shorter roi. server psu is considerably less hassle than you might think, you used a server psu with breakout board at all? if you had of before youd know its much less cables to deal with, there only a hassle for someone who doesn't know squat
sr. member
Activity: 794
Merit: 272
January 23, 2018, 09:15:32 PM
#29
Can someone clarify the response to the OP's question about having one PSU for the motherboard and the Server PSU dedicated to PCIE adapters for the cards?

I read the reply where someone said they turn on the server pSU 1 second before the main power, but I was wondering if there were opinions on this. I have read other people online say not to do that, but they didn't display a reason why/how it is dangerous.

Thanks

I don't use server PSU's but I have them turn on at the same time by having a dual PSU cord. The one below is good for 2000W or so.

https://www.amazon.com/Leboo-Motherboard-Mainboard-Connector-Extension/dp/B075VRMQ55/ref=sr_1_1_sspa?ie=UTF8&qid=1516760109&sr=8-1-spons&keywords=dual+PSU+cable&psc=1
newbie
Activity: 21
Merit: 0
January 23, 2018, 04:09:19 PM
#28
Can someone clarify the response to the OP's question about having one PSU for the motherboard and the Server PSU dedicated to PCIE adapters for the cards?

I read the reply where someone said they turn on the server pSU 1 second before the main power, but I was wondering if there were opinions on this. I have read other people online say not to do that, but they didn't display a reason why/how it is dangerous.

Thanks
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