Dell DR Series System Interoperability Guide, Release 2.0.0.0 | 6Hard Drives (External)System Internal RAIDControllerSlots Drive Type RAID LevelDR4000\DR4100PERC H800\PERC H8100 Hot-swappable 3.5-inch SAS drive(dedicated hot spare for RAID 6 forslots 1-11)N/A1-11 Eleven (11) hot-swappable 3.5-inch SASor Nearline SAS Hard Disk Drives (HDD)6The maximum external storage capacity is reached by adding up to two external storage expansionenclosures in 9 Terabyte (TB), 18 TB, or 27 TB increments. The DR Series system requires that eachexternal enclosure added be equal to or greater than each DR Series system internal drive slot 0-11capacity. The supported external expansion enclosure for the DR Series system is the Dell PowerVaultMD1200 direct-attached storage array. Requirements for adding expansion enclosures: 1) you meetthe internal drive slot capacity requirement, and 2) install the required expansion shelf license. Forinformation about the supported external expansion enclosures, see the Dell MD1200 HardwareOwner’s Manual.USB Flash DriveThe USB flash drive needed for performing a system recovery is not included with the DR4000/DR4100system release.System Minimum Size2DR4000DR41004 Gigabyte (GB)4 GB2 Minimum size required for DR4000/DR4100 Restore ManagerNetwork Interface ControllersSystem NIC/Driver/Firmware VersionDR4000 • Broadcom BCMS5716 LOM/5709, NIC driver, version 7.2.20• Broadcom BCMS5716 LOM NDIS, firmware, version 7.4.8• Broadcom BCMS5709 Dual-Port, NIC firmware, version 7.4.8• Intel 10G, NIC driver, version 3.7.21• Intel 10G (Copper), firmware, version 13.5.7• Intel 10G (SFP), firmware, version 13.5.7