How about a link to where you bought your machine?
I did not buy my workstation from an OEM, I have build it myself. Here is the component list:
2x Kingston ValueRAM 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 ECC Unbuffered Server Memory Model KVR1333D3E9SK3/6GI (Newegg.com)
SUPERMICRO MBD-X8DAH+-O Dual LGA 1366 Intel 5520 Extended ATX Dual Intel Xeon 5500 and 5600 Series Server Motherboard (Newegg.com)
Supermicro CSE-745TQ-920B server case (Wiredzone.com)
2x Xeon X5650 (Internal employee discount site, link will not work for you)