Refurbished Supermicro BPN-SAS3-846EL 24 PORT 4U SAS BACKPLANE - $150 + free shipping

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cesmith9999

cesmith9999

Well-Known Member
Mar 26, 2013
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I have. as that is what is in my CSE 847 as the front of that chassis.

I had issues with my 3 TB didks. until I moved them to the rear 12 drive backplane.

I am retiring that chassis. going to a smaller foot print with larger drives

Chris
 
T_Minus

T_Minus

Build. Break. Fix. Repeat
Feb 15, 2015
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cesmith9999 said:
I have. as that is what is in my CSE 847 as the front of that chassis.

I had issues with my 3 TB didks. until I moved them to the rear 12 drive backplane.

I am retiring that chassis. going to a smaller foot print with larger drives

Chris
Click to expand...
HMMM That's strange.. I have an 846 with 4TBs (SAS2 backplane) no issue, another at home with 10TB, 5TB, 2TB (nearly full, most are 5tb and 10tb) and a couple more with misc drives >2TB, all SAS2 backplane and no issues.

Did you try to figure out what it was possibly beside the SAS2 backplane?
Cable? Connector?
What was the backplane model you had? (expander, dual port expander, direct attach, etc...)
 
cesmith9999

cesmith9999

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Mar 26, 2013
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I did not have enought time to figure out what was wrong. it is half disassembled and I am working on other projects right now.

it may have been a cable or a SAS controller. I just have not worked through all of the permutations
Chris
 
Fritz

Fritz

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Apr 6, 2015
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I've used up to 12TB drives with SAS2 backplanes and never had a problem. Don't think the backplane was your problem.
 
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jlficken

Member
Apr 3, 2019
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Sean Ho said:
One explanation could be If the SAS2-846EL1 backplane were being driven by a SAS1 controller. Or if the front backplane had insufficient Molex power. But any combination of SAS2/SAS3 HBA and backplane should have no drive size limitations.
Click to expand...
Agreed. My 836 and 846 with SAS2 backplanes are just fine with 14TB drives and a 9211-8i HBA.
 
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StevenDTX

Active Member
Aug 17, 2016
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I got in on the $200 one earlier in the week. It arrived today, but without a frame. I dont have an 846 yet, so I hope thats not an issue.
 
zac1

zac1

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Oct 1, 2022
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FWIW
Now only have 4 in stock. The boards do not have the mounting brackets. So I'll go down to $140, since they'll cost around $30 to source. Thanks
Click to expand...
 
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StevenDTX

Active Member
Aug 17, 2016
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Looks like my backplane is a dud. Before I contact the vendor, all four lights arent supposed to be on, right? According to the manual, two are supposed to be off or blinking if all is normal.

I have tried two motherboards and three controllers.
 
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Almighty

Active Member
Oct 27, 2019
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StevenDTX said:
Looks like my backplane is a dud. Before I contact the vendor, all four lights arent supposed to be on, right? According to the manual, two are supposed to be off or blinking if all is normal.

I have tried two motherboards and three controllers.
Click to expand...
I guess I need to test mine asap. I bought one as a backup for my 847 and 846 chassis that have SAS3 backplanes. It's kind of a PITA to swap out so I didn't prioritize testing it.
 
S

StevenDTX

Active Member
Aug 17, 2016
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Almighty said:
I guess I need to test mine asap. I bought one as a backup for my 847 and 846 chassis that have SAS3 backplanes. It's kind of a PITA to swap out so I didn't prioritize testing it.
Click to expand...
I have already RMA'd mine. Unfortunately, they dont have any more.
 
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