nanog mailing list archives

Re: Rasberry pi - high density


From: Clay Fiske <clay () bloomcounty org>
Date: Mon, 11 May 2015 13:37:45 -0700


On May 8, 2015, at 10:24 PM, charles () thefnf org wrote:

Pi dimensions:

3.37 l (5 front to back)
2.21 w (6 wide)
0.83 h
25 per U (rounding down for Ethernet cable space etc) = 825 pi

Cable management and heat would probably kill this before it ever reached completion, but lol…


This feels like it should be a Friday thread. :)

If you’re really going for density:

- At 0.83 inches high you could go 2x per U (depends on your mounting system and how much space it burns)
- I’d expect you could get at least 7 wide if not 8 with the right micro-USB power connector
- In most datacenter racks I’ve seen you could get at least 8 deep even with cable breathing room

So somewhere between 7x8x2 = 112 and 8x8x2 = 128 per U. And if you get truly creative about how you stack them you 
could probably beat that without too much effort.

This doesn’t solve for cooling, but I think even at these numbers you could probably make it work with nice, tight 
cabling.


-c



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