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GreenDream

Non-PCIE SAS extender backplane?

Most sas expanders don't need the pcie slot, its just for power. So you can just mount it somewhere else in the case.

 

How about this one?

 

https://www.ebay.com/itm/Intel-Expander-for-HDD-SSD-RES2SV240-PCIe-x8-6G-SAS-SATA-24-Port-E91267-203/133063317075?hash=item1efb311653:g:WE4AAOSwLgZc6PJH

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Posted · Original PosterOP

I come in peace. Linus' videos convinced me to join this temple of knowledgeable people :)

 

More seriously, I wish to know what exists in terms of SAS extender backplanes.

 

Is it possible to have an extender backplane that does not need to be plugged into a PCIe slot?

 

If so, what do you recommend on Ebay?

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Posted · Best Answer

Most sas expanders don't need the pcie slot, its just for power. So you can just mount it somewhere else in the case.

 

How about this one?

 

https://www.ebay.com/itm/Intel-Expander-for-HDD-SSD-RES2SV240-PCIe-x8-6G-SAS-SATA-24-Port-E91267-203/133063317075?hash=item1efb311653:g:WE4AAOSwLgZc6PJH

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Posted · Original PosterOP
29 minutes ago, Electronics Wizardy said:

Most sas expanders don't need the pcie slot, its just for power. So you can just mount it somewhere else in the case.

 

How about this one?

 

https://www.ebay.com/itm/Intel-Expander-for-HDD-SSD-RES2SV240-PCIe-x8-6G-SAS-SATA-24-Port-E91267-203/133063317075?hash=item1efb311653:g:WE4AAOSwLgZc6PJH

Thank you.

 

I figured that PCIE is just for power.

 

Does this card have inputs to connect it with a SAS HBA?

 

I suppose there is a standalone PCIE connector that be powered directly by a PSU through SATA power or molex.

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1 minute ago, GreenDream said:

Thank you.

 

I figured that PCIE is just for power.

 

Does this card have inputs to connect it with a SAS HBA?

 

I suppose there is a standalone PCIE connector that be powered directly by a PSU through SATA power or molex.

Ye you need anouther sas hba to use it.

 

That card has a molex connector for power.

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Posted · Original PosterOP
18 minutes ago, Electronics Wizardy said:

Ye you need anouther sas hba to use it.

 

That card has a molex connector for power.

I see the white molex connector and will do some research for what I need.

 

Thanks again for your insights.

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You can use any of the SAS ports to connect to your RAID card or HBA. I have 2 RES2SV240's, connected to a LSI 9271-8i RAID card (one to each SAS port on the RAID card), providing 40 SAS connections. You can use either the PCI-E slot or the Molex connector for power...it just provides flexibility. 


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Posted · Original PosterOP
13 minutes ago, Jarsky said:

You can use any of the SAS ports to connect to your RAID card or HBA. I have 2 RES2SV240's, connected to a LSI 9271-8i RAID card (one to each SAS port on the RAID card), providing 40 SAS connections. You can use either the PCI-E slot or the Molex connector for power...it just provides flexibility. 

How do you connect the LSI HBA to the RES2SV240?

 

I looked at the Ebay listing above but do not see where the input cables should go.

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4 minutes ago, GreenDream said:

How do you connect the LSI HBA to the RES2SV240?

 

I looked at the Ebay listing above but do not see where the input cables should go.

 

You use an SFF8087 to SFF8087 cable into any of the 6 available ports. So you will have 5 available ports for connecting devices. 

SAS is quite a universal standard like USB, theres no dedicated Input/Output, everything is just addressed via SAS Addresses. 


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Server 2: Corsair 400R | IcyDock MB998SP & MB455SPF | Seasonic Focus Plus 650w PSU | 2 x Xeon X5650's | 48GB DDR3-ECC | Asus Z8NA-D6C Motherboard | AOC-SAS2LP-MV8 | LSI MegaRAID 9271-8i | RES2SV240 SAS Expander | Samsung 840Evo 120GB | 5 x 8TB Seagate Archives | 10 x 3TB WD Red

 

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Posted · Original PosterOP
1 minute ago, Jarsky said:

 

You use an SFF8087 to SFF8087 cable into any of the 6 available ports. So you will have 5 available ports for connecting devices. 

SAS is quite a universal standard like USB, theres no dedicated Input/Output, everything is just addressed via SAS Addresses. 

Oh, so there's no dedicated port(s)?

 

That greatly simplifies things.

 

Sounds like I can just get an expander card to take off the metal bracket and find a way to screw it down somewhere in the case.

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