1. SpecificationsExpress5800/R120g-2E User's Guide176Chapter 4 AppendixProduct Name Express5800/R120g-2E (26x 2.5-inch Drive Models)Part Number N8100-2468F, 2469FProcessor Part Number N8101-1070F N8101-1072F N8101-1073FEnvironmental requirements on Temperature Operating: 5 to 40°C*6 (when an option is installed: 5 to 45°C, subject torestrictions on configuration), Storage: -10 to 55°CEnvironmental requirements on Humidity Operating: 20 to 80%,Storage: 20 to 80% (no condensation either when operating or when stored)Regulatory and Safety FCC, UL, CB, CE, BSMI, UL(Mexico), CCC, RCM, RoHS, WEEESupportedOSSupported by NEC Microsoft® Windows Server® 2008 R2 Standard,Microsoft® Windows Server® 2008 R2 Enterprise,Microsoft® Windows Server® 2012 Standard,Microsoft® Windows Server® 2012 Datacenter,Microsoft® Windows Server® 2012 R2 Standard,Microsoft® Windows Server® 2012 R2 Datacenter,VMware ESXi™ 5.5 Update 3 *7, VMware ESXi™ 6.0 Update 1 or later *7*1 If you do not intend to install an internal DVD-ROM or an internal DVD SuperMULTI in all systems, prepare at least one external DVD-ROM persystem for maintenance and OS reinstallation purposes.*2 Prepare if needed. See Configuration Guide of "Overview of Flash FDD and Usecases" for how to use this device.*3 Operates with USB2.0 interface when VMware ESXi 5.5 is installed.*4 See "Front Bezel" in the Configuration Guide for external dimensions of the server with dust proof bezel installed.*5 Minimum configuration for operation (1x CPU, 1x DIMM, 1x HDD, 1x Power supply unit)*6 If you operate the server in an environment where the temperature reaches 40°C, you cannot mount N8181-126 Redundant fan kit together withN8150-490, N8150-483, or N8150-518 SAS HDD on the 2.5-inch HDD cage (at the rear).*7 To install VMware ESXi™ 5.5 and 6.0, logical memory capacity must be larger than 5GB.