The details of the PowerEdge XC9680. Sure. The XC9680 is a 6U, 2-socket completely air-cooled platform featuring HDX H100 8-way SXM GPUs or Nvidia HDX A3 E100 SXM GPUs. Awesome. So why don’t you start at the front and let’s just walk through the specs?
Sure. So, here on the top two U, you can see we have support for eight U.2 NVMe Gen4 drives, and in the lower four U, you can see we have support for up to 10 PCIe Gen 5 x16 slots.
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Dell PowerEdge XE9680:
Wow, okay. So, I see these PCIe slots are grouped in sections. Is there a reason for that?
Yes. So, behind each of these groupings, we actually have PSBs. We have four PCIe switchboards, and each of these PCIe slots is directly connected to the PSBs. And as I mentioned earlier, the eight SXM GPUs are also connected to those boards.
Okay, and the drives are also connected to the PSB boards?
Okay, great. So, we can get the GPU direct out of our PCIe slots and to our local storage directly from the GPU without having to go to the CPU.
That is absolutely right, and that’s where the Gen 5 PCIe switch architecture enables us to do that.
Awesome. Alright, so what’s going on up here on the top two U?
As I mentioned, we have the drives, and then we have the six internal fans that are used for cooling the top tier here. So, in the top two U, we have the two Intel Xeon Scalable processors, and we have 32 DDR5 DIMMs.
So, I see you don’t have all of them populated. Is there a reason for that?
Right. So, you could do 16 DIMMs or 32 DIMMs depending upon the workloads that you are going to run with the server.
Okay, so one DIMM per channel with 16.
Yes, okay. And what is this board that looks like it’s above the motherboard here?
Dell PowerEdge XE9680 Power:
That’s the power distribution unit. And I think we should just turn around the server so we can see the PSUs here.
Alright. So, we have six PSUs, every 2800 watts, the regular 240-volt AC PSU, powering this over here. And then we also have optional alarm and optional OCP slots here. And then we have the iDRAC and the USB and VGA ports. So, up here, essentially an R760 with all the pillars of Dell Security Management.
Exactly, you got it, Mike. Okay, so what’s this guy here in the middle?
That’s the BOSS N1 M.2 NVMe drives, and you can do RAID 1 with this one. Just throw your OS on there and use the other drives for performance.
Yeah, and down here is the 4U module, and you can see here there are 10 fans, and this is actually going to cool the eight A100 or H100 SXM GPUs. So, if you pull out the fans here, you would be able to pull out the GPU sledge.
Okay, so you’re saying the GPU sledge fits under here in this section about here?
That’s right. So, let’s go ahead and move on then to that unit and take a look at that.
Alright, Pallavi. So, we’re now looking at the eight-way board from Nvidia. So, H100s?