Intel Xeon E5-1603 CPU 2.8GHz 10M 4 Core 4 Threads LGA2011 Processor CPU Accessories - Newegg.com
HP Z440 Workstation 1 x Intel Xeon E5 1603 v3 Quad core 4 Core 2.80 GHz 4 GB DDR4 SDRAM 500 GB HDD Windows 7 Professional 64 bit English upgradable to Windows 8.1 Pro Mini tower Jack Black - Office Depot
intel Xeon CPU E5-1603 Tocessor 2.80GHz 4-Core 10M Cache LGA2011 For x79 motherboard
HP Z420 Workstation Intel Xeon E5-1603 4C 16GB RAM ECC No HDD No OS [647290-001] - $279.00 : Professional Multi Monitor Workstations, Graphics Card Experts
Intel Xeon E5-1603 V3 SR20K 2.80GHz 10M Quad-Core LGA 2011-3 R3 Server CPU 140W | eBay