SuperMicro CSE 847 36 Bay 4U SAS 3 Barebone Chassis 2x PWS-1K28P-SQ


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Not related to seller, just reporting good expericence and price.

If you're looking for a 36 BAY server chasis these are pretty nice, this seller has included 2 hot swap -SQ power supplies whicj are the super quiet versions, and both the fron 24 port and back 12 port backplanes are expanders meaning you can get away with a low port HDA card and don't need external expanders.
Both backplains are SAS3/SATA3

https://www.supermicro.com/manuals/other/BPN-SAS3-846EL.pdf

https://www.supermicro.com/manuals/other/BPN-SAS3-826EL.pdf

 

36x 3.5" LFF Hard Drive Trays w/ Screws Included

 

Sold as used, but could of passed as new, I couldn't find any hint of prior use, no dust or blemishishs anywhere!

No rack mount rails, but I double many of us are rack mounting our stuff


https://www.ebay.com/itm/204179662584
Keep in mind the motherboard area is low profile due to the 12 ports under it in the back.

Standard motheboards can be used with an optional cable to connect the front pannel if needed
https://www.ebay.com/itm/255893202956

Edited by bbrodka
  • Like 1
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  • 7 months later...
On 6/13/2023 at 7:01 AM, bbrodka said:

Not related to seller, just reporting good expericence and price.

If you're looking for a 36 BAY server chasis these are pretty nice, this seller has included 2 hot swap -SQ power supplies whicj are the super quiet versions, and both the fron 24 port and back 12 port backplanes are expanders meaning you can get away with a low port HDA card and don't need external expanders.
Both backplains are SAS3/SATA3

https://www.supermicro.com/manuals/other/BPN-SAS3-846EL.pdf

https://www.supermicro.com/manuals/other/BPN-SAS3-826EL.pdf

 

36x 3.5" LFF Hard Drive Trays w/ Screws Included

 

Sold as used, but could of passed as new, I couldn't find any hint of prior use, no dust or blemishishs anywhere!

No rack mount rails, but I double many of us are rack mounting our stuff


https://www.ebay.com/itm/204179662584
Keep in mind the motherboard area is low profile due to the 12 ports under it in the back.

Standard motheboards can be used with an optional cable to connect the front pannel if needed
https://www.ebay.com/itm/255893202956

 

Hey, this is a great recommendation. I'd love to move to one of these as I am now running 19 HDDs in a fractal define 7 XL and I can't shove anymore in that thing. I have a few questions holding me back as I don't quite understand what else I'd need to switch over:

 

  • I have two LSI 9207-8i HBA's right now, would those reusable or is it a problem that they are mini SAS and I'd need something else to connect up with the backplane.
  • For SATA drives do you just use mini SAS breakout cables from the backplane to the HDDs?
  • Also right now I have these plugged into the x16 PCI-E on my motherboard. One is PCIE-5.0 @ 16 lanes (the one intended for the GPU) and the other is just 4 lanes. Would this provide enough bandwidth to the backplane? Also were there any challenges to wiring both backplanes, does that take two cards or do you wire the two together?
  • My cooler is also way too big right now. I've got intel, LGA 1700, was it easy to know what the max size for that would be?

Sorry for all the questions. I'll keep researching but this listing looks good and I'd totally be interested if it's possible with only some slight alterations to my current build

 

Thanks!

Edited by manofoz
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  • 2 weeks later...
On 2/3/2024 at 9:02 PM, manofoz said:
  • I have two LSI 9207-8i HBA's right now, would those reusable or is it a problem that they are mini SAS and I'd need something else to connect up with the backplane.
    • Should only need 1 cable for each backplane (depending on the backplane's configuration). You'll need to get the correct cable depending on the backplane used (maybe: SFF-8643 to SFF-8087 cables)
  • For SATA drives do you just use mini SAS breakout cables from the backplane to the HDDs?
    • No breakout cables needed. This case is not like NORCO. The backplane provides power and SATA connections to all drives. Drives plug in to their spot and you just use a single cable from each backplane (depending on the backplane''s configuration)
  • Also right now I have these plugged into the x16 PCI-E on my motherboard. One is PCIE-5.0 @ 16 lanes (the one intended for the GPU) and the other is just 4 lanes. Would this provide enough bandwidth to the backplane? Also were there any challenges to wiring both backplanes, does that take two cards or do you wire the two together?
    • You should only need one card with this case
    • Wiring up the backplane is a pain as you have to slide out the motherboard tray. Make sure you run all the power cabling first before installing the motherboard
  • My cooler is also way too big right now. I've got intel, LGA 1700, was it easy to know what the max size for that would be?
    • For a 36-bay server you're looking at low profile PCIe lanes and limited mounting points. You'd be looking at either passive cooling or something like a 2U Dynatron Q5 for air.

 

Edited by OrneryTaurus
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1 hour ago, OrneryTaurus said:

 

Thanks! This was great information, I think I have a plan on what exactly to do. I'll be moving in 9+ months when construction is done and plan to have a 42U rack at the new place.

 

Starting with some networking equipment tomorrow I'll be provisioning what I can before I move. Will totally grab one of these, my Define 7 XL doesn't fit great in the small rack I grabbed to stage everything...

 

rack.thumb.png.1dca284037abe93839de5e80ab6122b0.png

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6 hours ago, OrneryTaurus said:

 

I have concerns about this rack being able to support the weight of a 4U server. You'll want to double check the maximum loads the rack supports. It might require permanent installation to increase the maximum load it can handle.

 

It may be running up against the limit, it was dirt cheap and says 500 lbs "max load bearing" on eBay. Not sure what it is when it's on wheels. 

 

Not really sure how to weigh the servers but I'd say the current build is around 100 lbs. Didn't think the 4U would add too much more weight until I added more drives and I'd be putting it at the bottom. 

 

Other than that I was going to put a dream machine special edition and a NVR pro on it. For the new house I was going to get something like this:
 

image.png.a922511dd4f5b113d685a6842e2d41e1.png

 

I think I can have it delivered to the garage and then have the movers put it at the termination point of our ethernet cable drops. After assembling the little one I don't really want to assemble a 300lb one... 

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7 hours ago, manofoz said:

It may be running up against the limit, it was dirt cheap and says 500 lbs "max load bearing" on eBay. Not sure what it is when it's on wheels. 

 

I think the server weight itself is about 50-75 lbs before adding anything extra into it. Adding a full system of hard drives, you'll probably increase it to 150lbs. I would be more worried about the rails and sliding the server out to service it with the existing rack you have.

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