Intel Xeon D-1500 Series Discussion

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homestudio4k

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just checked that i7-6700t has a passmark of 9000, tdp 35w, 1151 socket has a lot of flexibility of motherboard and add ons. probably a more affordable solution for low tdp server solution than low mid range xeon d?
 

Evan

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just checked that i7-6700t has a passmark of 9000, tdp 35w, 1151 socket has a lot of flexibility of motherboard and add ons. probably a more affordable solution for low tdp server solution than low mid range xeon d?
Except it does not support ECC, no 10G network integrated. All depends what you plan to use it for really.
 
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Patrick

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Except it does not support ECC, no 10G network integrated. All depends what you plan to use it for really.
Just adding to this the huge one, the Xeon D can support 128GB of RAM / RDIMMs. At some point, you always want more RAM.
 
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Evan

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Just adding to this the huge one, the Xeon D can support 128GB of RAM / RDIMMs. At some point, you always want more RAM.
Don't know how I forgot that given mine will be 128gb loaded (memory sitting here waiting for my boards... Only a few more sleeps :) )
 
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Evan

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Time to pick my always on system, What would you all pick for lowest power but decent performance ? (Other system I have for play is d-1540 based, but I don't think that's the best always on solution and nice to keep a real separate sandbox)

D-1508 with SFP+ 10g (x10sdv-2c-tp4f) - lowest power even idle ? But lacks grunt, still probably enough though, only 4x sata.
D-1528 or D-1518 with 10g & 1g using only 1g for network
D-1521 with 10g copper only (run at 1g keeps power Low ?)
Xeon e5 v3/v4 (prefer mini-itx)

Other options.... Keep the mac mini or NUC in the role, but limited storage or external drives, still they are small and quiet. I have available ddr4 RDIMM so Xeon-d / e5 uses that to keep costs lower.
 

Daniel Edholm

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Now that there are 1518, 1520, 1521, 1527, 1528, 1529, 1531, 1537, 1539, 1540, 1541, 1548, 1557, 1559, 1567, 1571, 1577, 1581 and 1587, are there any other differences between these than the number of cores, the frequency, the TDP or the presence or absence of turbo? Were some of these supposed to be "networking" units and some "storage" units? I guess 1520 is replaced by 1521 and same with 1540 and 1541.

For a simple NAS, what should I aim at? A 1508, 1518 or 1521?
There are a couple of differences internally actually. The 15x1 are aimed for storage, 15x7 for compute and 15x8 for network performance. I am not sure what 15x9 is for though...

Intel has an (incomplete) table where it lists the different functionalities between the variants: Intel® Xeon® Processor D Product Family Technical Overview | Intel® Software. The last three rows would be ticked for the 15x1 (storage) platforms.

For a simple NAS, I would say that it would not matter which one you get -- take the cheapest. Depending on how simple NAS you want, I'm not even sure you need a Xeon D at all. In my case, I am going for 1528 because it will be used as a router and firewall, where the extra networking performance would come to good use. Especially when PfSense 3.0 comes out with support for Intel DPDK (afaik only available on 15x8 as well).
 

Andyreas

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Hey guys, just got my 1587 board up and running with some nvme storage (awesome). But the cpu is running at 104 degress celcius. What temperatures are you getting? This is with 50% load on cpu nonstop. What is the temp range for that motherboard? Supermicro X10SDV-16C-TLN4F.
 

Patrick

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For a simple NAS, I would say that it would not matter which one you get -- take the cheapest. Depending on how simple NAS you want, I'm not even sure you need a Xeon D at all. In my case, I am going for 1528 because it will be used as a router and firewall, where the extra networking performance would come to good use. Especially when PfSense 3.0 comes out with support for Intel DPDK (afaik only available on 15x8 as well).
As a FYI - Xeon D does not have an onboard QAT engine like the C27x8 chips.
 

Daniel Edholm

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As a FYI - Xeon D does not have an onboard QAT engine like the C27x8 chips.
Are you sure that applies to the 15x8 variants? In the table I linked earlier the network focused Xeon Ds' have QuickAssist checked. Are there any limitations here? Just realised that the check is just a "v", which could mean that it does not have full support... Can you clarify? :)
 

Andyreas

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Ok I found some info on a forum and wanted to post it here regarding the temperatures.

The normal temperature range will be between 45 °C and 90 °C. Intel® Xeon® Processor D-1500 Product Family may not operate above +108 °C. I suggest you to add new thermal compound over the cpu metal plate.

So lets say at 107 °C it might start to get a little jumpy. Weird thou, double fans and in a DC with well working AC. Time to investigate. Rock solid performance thou.
 

Patrick

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Are you sure that applies to the 15x8 variants? In the table I linked earlier the network focused Xeon Ds' have QuickAssist checked. Are there any limitations here? Just realised that the check is just a "v", which could mean that it does not have full support... Can you clarify? :)
You need a Quick Assist card ($650-700) with the Xeon D-15x8
 

Christopher

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Apr 17, 2016
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Hey guys, just got my 1587 board up and running with some nvme storage (awesome). But the cpu is running at 104 degress celcius. What temperatures are you getting? This is with 50% load on cpu nonstop. What is the temp range for that motherboard? Supermicro X10SDV-16C-TLN4F.
That seems pretty hot but you do have a few more cores than I have. :). I was doing some initial tests on my 1557 SMX10SDV-12C-TLN4F system, idle temps of 48-51C and max temp of 86C. That max was after running a Wk12VM with 12 cores running intelburn for 45min. The system is in a 2U ARK IPC-2U235 chassis with 3x 60mm Noctua fans an the standard 5v case fan mounted on the heatsink.

image.jpeg
 

Scott Laird

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Do you have a CPU fan on the X10SDV-16C-TLN4F? SM's website doesn't show one as standard, and that generally means that it's a motherboard designed for ~1U cases with a case fan blowing on the CPU heatsink. Try adding a small fan to the heatsink and see what that does to the temperature.
 

Bradford

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BLUF: Is there a D-1500 board that provides good SATA/SAS expansion, high CPU performance, 1Gb, SPF+, and 2+ PCIe slots?

I'm planning a low power home server with the following roles:

* NAS
* Home gateway / firewall
* VM host (with one particularly needing PCI passthrough for a multi-headed setup)
* Future expansion to another node with SPF+

Looking at the discussion here, it looks like I could use the specialties of the 15x1 and 15x8. I love what I see in the ASRock D1541D4U-2O8R in terms of SAS, SATA, SPF+ and PCIe slots, however there's no 1Gb ports for my primary uses. I could use a gigabit expansion card, but for a multi-headed setup I would like to reserve the second PCIe slot for a second video card.

My question for the group - Is there a D-1500 board that provides good SATA/SAS expansion, high CPU performance, 1Gb, SPF+, and 2+ PCIe slots?