Intel Xeon W3520 Server CPU Processor- SLBEW | eBay
HP Z400 Workstation 1 x Intel Xeon W3520 Quad core 4 Core 2.66 GHz 6 GB DDR3 SDRAM 320 GB HDD Windows 7 Professional 64 bit Convertible Mini tower Jack Black Alloy Metallic - Office Depot
Hewlett-Packard (HP) 519748-B21 - 2.66Ghz 4.80GT/s 8MB Cache LGA1366 Intel Xeon W3520 Quad-Core CPU Processor - CPU Medics