CONFIGURATION GUIDE – NEC EXPRESS5800/R120b-2NEC Corporation Revision 6.3, February 20122 2nd ProcessorAvailable sockets: 1Product Name / Description Part NumberCPU Kit (2C/E5503)Intel® Xeon ® Processor E5503 (2 GHz / 2C-2T / 4 MB)N8101-456FCPU Kit (4C/E5606)Intel® Xeon® Processor E5606 (2.13 GHz / 4C-4T / 8 MB)N8101-484FCPU Kit (4C/E5620)Intel® Xeon® Processor E5620 (2.40 GHz / 4C-8T / 12 MB)N8101-458FCPU Kit (4C/ X5687)Intel® Xeon® Processor X5687 (3.60 GHz / 4C-8T / 12 MB)N8101-510FCPU Kit (6C/E5645)Intel® Xeon® Processor E5645 (2.40 GHz / 6C-12T / 12 MB)N8101-485FCPU Kit (6C/X5650)Intel® Xeon® Processor X5650 (2.66 GHz / 6C-12T / 12 MB)N8101-486FCPU Kit (6C/X5675)Intel® Xeon® Processor X5675 (3.06 GHz / 6C-12T / 12 MB)N8101-487FCPU Kit (6C/X5690)Intel® Xeon® Processor X5690 (3.46 GHz / 6C-12T / 12 MB)N8101-488FNOTE: The 2nd processor must be the same with what is used in the base model3 Memory3.1 Memory ConfigurationRefer to the section in accordance with your memory configuration: Independent Channel / Memory Sparing Configuration: Refer to 3.1.1 Memory Mirroring / Memory Lockstep Configuration: Refer to 3.1.23.1.1 Independent Channel / Memory Sparing ConfigurationAvailable slots: 6 per processorProduct Name / Description Part NumberAdditional 2GB Memory Module (1x 2GB)2 GB (1 x 2 GB) DDR3-1333 ECC Registered Low Power DIMMN8102-428FAdditional 4GB Memory Module (1x 4GB)4 GB (1 x 4 GB) DDR3-1333 ECC Registered Low Power DIMM N8102-429FAdditional 8GB Memory Module (1x 8GB)8 GB (1 x 8 GB) DDR3-1333 ECC Registered Low Power DIMMN8102-374FAdditional 16GB Memory Module (1x 16GB)16 GB (1 x 16 GB) DDR3-1066 ECC Registered Low Power DIMMN8102-375FNOTE: Minimum one memory kit per processor must be installed. It is recommended to install two or three identical memory kits for dual-channel or triple-channelsymmetric memory configurations to increase memory transfer speed.