SGI: Hardware

O3000 R-brick on O3x0?

I got a good offer on an O3x0 R-brick. Am I able to use these with an O3x0 system, assuming I have the craylink cables?
SGI:
:Fuel: R16000A@900MHz 3GB V10
L2 Controller
Non-SGI:
HP C8000
HP EliteBook 8560p [email protected] 16GB Youmu FreeBSD 10.1/Windows 8.1
IBM IntelliStation 265 Dual POWER3-II@450MHz Jigoku-Karasu ( Hell Raven )

Incoming/On bench for repair/not in service:
2x :O3x0: Origin 300
:A3502L:
For Sale: O2 DIMMS, Octane and O2 caddies, Octane2 maxed out.