IBM 2880W PSU/Breakout Boards - *NEW* Package deals for T9/S9 & A7

[Finksy]

sloopy,

Thank you for the kind words, it really is much appreciated. I am sorry our deal on the SP20's never worked out, hope you are able to find some more hardware to fit your need. Yes my formal day-job is in service, thankfully (or maybe not?) my customers in "real life" are generally more difficult to deal with than the folks around here. 

Someday when I get a shill account, I want it to be just like you. Lol!

I feel the same about the PSU's and boards as you do, and that is the only reason I got involved with J4bberwock and this project to begin with.  I won't represent something that I don't believe in, and these things are the real deal.  There really is no comparison to ATX power supplies in durability, efficiency, value, etc.  I can't believe you sleep with that kind of hardware in your room, that is crazy man! You better get some ear plugs or you are going to lose some hearing with the 2880W'ers in there.

[Finksy]

Bump, both cables now in stock.

[kaltar]

Hey Finksy

i would like to order  PSU, Board and a full set of pci-e cables, can you pm me a price please.

thanks

[Finksy]

PM'd

[Marvell1]

Got my 2 PSU's breakout boards and PIC-E cables within a week of placing my order

the packaging was impecable bubble wrap on everything and even zipties for the cables !

Both PSU's work one thing though I have hardware that seemed to require an 8pin PCI-E male input

so i ordered these :


http://www.ebay.com/itm/1pc-6-Pin-PCI-E-Female-to-8-Pin-EPS-Male-Power-Cable-Adapter-for-PC/251573913677?_trksid=p3693.c100102.m2452&_trkparms=ao%3D1%26asc%3D20140212121249%26meid%3D655ac8d6e56b4e73aca3db9c18f64f8d%26pid%3D100102%26


hooked them up and they MELTED !! my fire alarm went off , I mean this happend the seccond i turned on the PSU's

So i tried just using The six pin 36" PCI-E cables that Finsky sent me in the 8 pin slots and it worked withoute the adapter : which probbaly means those last two are just ground or something.

I will never order cables or adapters from China via Ebay again!!

I plan to order more of those PSU's and cables once i figure out how to replace the PSU of an S4 with one of these.

Thanks Man

[J4bberwock]

Got my 2 PSU's breakout boards and PIC-E cables within a week of placing my order

the packaging was impecable bubble wrap on everything and even zipties for the cables !

Both PSU's work one thing though I have hardware that seemed to require an 8pin PCI-E male input

so i ordered these :


http://www.ebay.com/itm/1pc-6-Pin-PCI-E-Female-to-8-Pin-EPS-Male-Power-Cable-Adapter-for-PC/251573913677?_trksid=p3693.c100102.m2452&_trkparms=ao%3D1%26asc%3D20140212121249%26meid%3D655ac8d6e56b4e73aca3db9c18f64f8d%26pid%3D100102%26


hooked them up and they MELTED !! my fire alarm went off , I mean this happend the seccond i turned on the PSU's

So i tried just using The six pin 36" PCI-E cables that Finsky sent me in the 8 pin slots and it worked withoute the adapter : which probbaly means those last two are just ground or something.

I will never order cables or adapters from China via Ebay again!!

I plan to order more of those PSU's and cables once i figure out how to replace the PSU of an S4 with one of these.

Thanks Man

You are right regarding the extra pins on 8 pins PCI-E, they are simply ground, so they don't allow for higher amps.
The power still flow through 3 yellow cables.
And the 8 pins PCI-E cables in NOT the same as the EPS one you linked. on EPS, you have 4 yellow (+12v) and 4 black (ground) wires instead of 3 and 5.
Plus the ground next to the latch on the PCI-E, where on the EPS, the +12V is next to the latch.

Even if it looks easy, and unless you are absolutely sure of what you are doing, please take the time to ask when the breakout board/cables won't go straight in the miner.
Custom cables can be made upon request, and sometimes, like in your case, they aren't necessary.

You were lucky, you could also have burnt your miner.

Some chinese manufacturers don't care about the real quality of the cables they are selling for one reason:
PCI-E cable is supposed to be used on a GPU drawing 75w for 6 pins and 150w for 8 pins
So, even with their crappy thin cables like 20 AWG, you should be safe for a GPU, but miners manufacturers are pushing the connectors (and other parts) to the limits to save a few cents.
That's the reason why we can see some miners drawing up to 250 or 300w from a single 6 pins PCI-E plug, and the manufacturer asks you to use 16 AWG or better wires with 45750 series crimp pins.

BTW, what is the hardware requiring the 8 pins connectors?

Regarding the S4, I'll have a look since I got a few parts from one, and I want to play with them.

[Marvell1]

Got my 2 PSU's breakout boards and PIC-E cables within a week of placing my order

the packaging was impecable bubble wrap on everything and even zipties for the cables !

Both PSU's work one thing though I have hardware that seemed to require an 8pin PCI-E male input

so i ordered these :


http://www.ebay.com/itm/1pc-6-Pin-PCI-E-Female-to-8-Pin-EPS-Male-Power-Cable-Adapter-for-PC/251573913677?_trksid=p3693.c100102.m2452&_trkparms=ao%3D1%26asc%3D20140212121249%26meid%3D655ac8d6e56b4e73aca3db9c18f64f8d%26pid%3D100102%26


hooked them up and they MELTED !! my fire alarm went off , I mean this happend the seccond i turned on the PSU's

So i tried just using The six pin 36" PCI-E cables that Finsky sent me in the 8 pin slots and it worked withoute the adapter : which probbaly means those last two are just ground or something.

I will never order cables or adapters from China via Ebay again!!

I plan to order more of those PSU's and cables once i figure out how to replace the PSU of an S4 with one of these.

Thanks Man

You are right regarding the extra pins on 8 pins PCI-E, they are simply ground, so they don't allow for higher amps.
The power still flow through 2 yellow cables.
And the 8 pins PCI-E cables in NOT the same as the EPS one you linked. on EPS, you have 4 yellow (+12v) and 4 black (ground) wires instead of 3 and 5.
Plus the ground next to the latch on the PCI-E, where on the EPS, the +12V is next to the latch.

Even if it looks easy, and unless you are absolutely sure of what you are doing, please take the time to ask when the breakout board/cables won't go straight in the miner.
Custom cables can be made upon request, and sometimes, like in your case, they aren't necessary.

You were lucky, you could also have burnt your miner.

Some chinese manufacturers don't care about the real quality of the cables they are selling for one reason:
PCI-E cable is supposed to be used on a GPU drawing 75w for 6 pins and 150w for 8 pins
So, even with their crappy thin cables like 20 AWG, you should be safe for a GPU, but miners manufacturers are pushing the connectors (and other parts) to the limits to save a few cents.
That's the reason why we can see some miners drawing up to 250 or 300w from a single 6 pins PCI-E plug, and the manufacturer asks you to use 16 AWG or better wires with 45750 series crimp pins.

BTW, what is the hardware requiring the 8 pins connectors?

Regarding the S4, I'll have a look since I got a few parts from one, and I want to play with them.

Yes I really count myself lucky that i did not blow one or all the boards in my scrypt miner

the miner in question is in my review post

https://litecointalk.org/index.php?topic=24945.0

if you look at the pictures you can see the power hookups.  I has eight boards which all pull around 250-280 watts from each 8 or 6 pin connector.  Your Connecters are even better than stock connectors the ones that you see in the picture would somtimes get warm at full load.  Yours stay cool 

thanks for the further info regarding the cable specs, I can imagine those crap cables i bough blowing up the miner or a GPU and then setting my house on fire.  It was a waste of $75 but live an learn maybe the plastic connectors could be of some use to you ?

I have 30 of them since i won't be using those adappters anytime soon.

If you could make something modular for the s4  that would be awesome as well !!

thanks again for the great cables.

[Kexkey]

I plan to order more of those PSU's and cables once i figure out how to replace the PSU of an S4 with one of these.

Thanks Man

If you get them to work well with an S4 with screws instead of PCI-e, take some pictures and write step-by-step instructions (what adapter needed, what wire to cut, etc.), I am interested.

Thanks!

[Finksy]

Thank you for the kind words Marvell, let me know if I can help you with anything or you need more in the future.

I think I'm going to look into a plug & play solution for the S4's, it seems more and more are making their way into the hands of home miners, and as we all know they came with SHIT psu's (par for the course for BMT lately it seems).  Obviously the PSU won't fit into the form factor, but if arranged right you could power 2x S4's with one 2880W PSU. I have a couple S4's right now, so I'll take some measurements and get something made up to work with the IBM 2880W.

Also, to add to what J4bberwock was saying, what you end up with as for either model of PCI-e cable used with this breakout board is better quality than nearly any cable that comes shipped with ATX PSU's. These are purpose-built for handling heavy loads as required by any crypto currency miner, unlike off-the-shelf ATX PSU's. I'd say you were very fortunate Marvell that no damage appears to have been done.  And yes, J4bber's cables are pretty badass XD

[J4bberwock]

I plan to order more of those PSU's and cables once i figure out how to replace the PSU of an S4 with one of these.

Thanks Man

If you get them to work well with an S4 with screws instead of PCI-e, take some pictures and write step-by-step instructions (what adapter needed, what wire to cut, etc.), I am interested.

Thanks!

After a few minutes looking at it, the hardest part of the job will be to fit the PSU inside the case (quite difficult since the case is 13cm high, and the PSU in its side is 20cm...)
If you put it outside of the case to power 2 ant S4, you'll be fine, and adapter cables will be easy to make.
Splice 3x ground soldered together to the appropriate gauge or directly crimped to the correct connector, and do the same with the +12v ones.

You can also simply solder the PCI-E plugs where they are missing on the hashing boards if you have the boards with screws instead of PCI-E plugs.

https://www.cryptocoinsnews.com/wp-content/uploads/2014/10/20141003_160155.jpg

[Finksy]

I am out of stock of C19-C20 cables until mid-late this week.  I also have J4bber sending me more boards and purty 36" cables sometime next week. Price of 36" cables might be going up for next batch received.

[Finksy]

I will be in the GTA this weekend (leaving tonight), if anyone in the area needs PSU's, boards, cables or anything of the like, let me know and I can bring them when I leave this evening.

[Finksy]

Update:  I am currently out of PSU's.  If anyone would like to order boards, cables, etc and source their own PSU's, PM me.  I have more on order, and will update the post as soon as they arrive.

[shacky]

I bought 3 boards, will make a review when I get it.


 

[kaltar]

Noooooooooooooooooo, i was waiting for the c19 cable and now no psu.
when you receive the PSU's i'll order one right away.

thanks

[Finksy]

Will update when PSU's arrive.

Here is a thread on adapting IBM 2880W breakout boards to replace PSU's in 2x Antminer S4's: https://bitcointalk.org/index.php?topic=1036295

If I get some time, I will make up some harnesses to sell myself.  I'm a little busy for the next week or more, so if anyone wants to do it themselves, all the measurements are there.

[Finksy]

Just a heads up, I will be away until next Wednesday, and likely will not be able to answer messages.  If I can I will PM everyone back as soon as possible. 

[mnmiken13]

i would like to buy 2 breakout boards and 16 of the 24" cables
can you pm me with a price
thanks

[Finksy]

i would like to buy 2 breakout boards and 16 of the 24" cables
can you pm me with a price
thanks

PM'd

[kaltar]

Still no PSU yet. ?