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Updated 7/3/2016 ​

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Gallery:When they shipped, it appears they just only had to use some very simple basic of methods that did not require cardboard at all expect for very super-durable L-Shaped at every corner, and wrapped in plastic shrink.Granted it frightens me at first seeing how UPS was carrying it into the house using the dolly, almost as if it looks like it's bound to take some damages but I was amazed it did not sustain any damages or let alone single scratch.And So I began to unload one of node and start inspecting the nodes.Removed all fans and they look brand new.. not single dust.The chassis has really good condition, Everything looks like it's been in some regular usage.I went ahead to identify the all PCIe accessesThis one I couldn't fit into some regular PCIe adapter, as I was already expecting due to the fact it's called "FlexLOM" not PCIe Compartment. It's PCIe with different physical measurements, you may be able to force fit the PCIe into the seating but the layout wont work with the chassis, it's too far from the end of side.And this one is the true PCIe slot, Fully compatible with HH/HL (Half-Height Half-Length) however it seems to have quite a lot of bracket supporting. Additionally there is another seating right next to the PCIe that is also PCIe but in different format, it's 3.0 8x and you cannot use both of them at once.Here's a picture of both bracket removed revealing the PCIe and FlexLOM.As you can see there is really three PCIe bus, but you can only use up to two at once and two of them are proprietary as well meaning they are meant to be only used with HP designed-manufactured parts.And here's some adapter being installed and mounted on the PCIe interface.Next We have some proprietary PCIe hardware that is designed and manufactured by HP also known as Flexible-LOM or (Flex-LOM)This particular hardware is known asIt's an essentially VPI, Which means 40G ethernet or 56G infiniband protocol.Here's a picture comparing the PCIe riser with some adapter and the HP FLOMAnd installed in it's FlexLOM slot:And both of the optional bays installed, The FlexLOM with the PCIe.Moving to HDD/SSD compartment, First of all coming from C6100, HP has truly luxury of space and the concept of being truly node-independent has made me realize why HP's design was better for most of scenarios. Without further ado, Here's close up pictures of the area and the air cooling shrouds.And here's some basic idea how truly big that cage is:As you can see I already can fit three SSD, and there is even room for fourth, fifth?! I hope those pictures show you why I think 16 SSD is very much possible reality, 20 would be pushing it.And That is all I have to show for now, I'm out of money to purchase 1 or 2 2670s', Once I obtain the chips I'll perform various experiments.