If you read some of the documentation, VMWare suggests that major hardware vendors have pre-configured "VSAN Ready Nodes" available for purchase. This turned out not to be true for us and our experience with Dell. I work for a large organization and we go through the same guy for everything. He either wasn't able to find the part#, or Dell didn't offer this for our institution. Either way, we spent a long time going back and forth on the hardware. A very long time. Long story short, here is what we went with for VSAN Nodes.
Dell Poweredge R730xd Server
Intel X520 DP 10GB DA/SFP+ Server Adapter (2 each host,4 SFP connections for each server)
iDrac8 enterprise
PERC H730 RAID Controller
Intel Xeon E5-2667 3.2GHz, 20M Cache
16GB RDIMM, 2133 MT/s, Dual Rank Memory (24 for a total of 384GB RAM for each VMWare Host)
1.2 TB 10K RPM SAS HDDS (12 each Host)
200 GB SSD Drive (2 each Host)
16 GB SDCard (2 each Host)
VMWare Esxi 5.5 U2 preloaded on SD Cards
We also purchased the licensing for VMWare VSAN with the Hosts.
VSAN requires at least 1 SDD per host, but I remember reading somewhere about the SSD to HDD ratio and I think around 1:7 was recommended. This mix of drives fit our price point. We had a hard time deciding on this mix of disks, and in fact went back and forth with Dell a number of times.
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