Second hand Refurbished used Servers
Sun X2100 Dual Core Opteron 175 Server (SunFire 2100)

Comes with 2 GB RAM;  1 * 80GB SATA, plus 1 * 250GB SATA;  AMD Opteron 175 Processor (dual core 2.2GHZ). Includes rails that are still in the box and have never been used. Please note, there is no CD drive.


Check out the specs here - keep in mind this one is the top of the range:

http://www.prontonetworks.com/Sun_Fire_X2100_Spec.pdf