Dell PowerEdge R820 technical specification
Form factor
2U rack
Processors
Intel® Xeon® processor E5-4600 product family Processor sockets 4
Internal interconnect
2 x Intel QuickPath Interconnect (QPI) links; 6.4 GT/s; 7.2 GT/s; 8.0 GT/s Cache 2.5MB per core; core options: 4, 6, 8
Chipset
Intel C600
Memory
1 Up to 1.5TB (48 DIMM slots): 2GB/4GB/8GB/16GB/32GB DDR3 up to 1600MHz
I/O slots
PCIe slots:
• Two x16 half-length, full-height
• One x8 half-length, full-height
• Three x8 half-length, half-height
• One x8 half-length, full-height for the RAID controller
RAID controller
Internal controllers: PERC H310 PERC H710 PERC H710P
External HBAs (RAID): PERC H810
External HBAs (non-RAID): 6Gbps SAS HBA
Drive bays
Up to sixteen 2.5” hot-plug SAS, SATA, or SSD
Maximum internal storage
16TB
Hard drives
Hot-plug hard drive options: 2.5” PCIe SSD, SAS SSD, SATA SSD, SAS (15K, 10K), nearline SAS (7.2K), SATA (7.2K) Self-Encrypting Drives available
Embedded NIC
Broadcom® Quad Port 1GbE BASE-T (no TOE or iSCSI offload)
Intel Quad Port 1GbE BASE-T (no TOE or iSCSI offload)
Intel Dual Port 10GbE BASE-T with 2 x 1GbE (FCoE capability enabled on the 10GbE ports)
Broadcom Dual Port 10GbE SFP+ with 2 x 1GbE (TOE and iSCSI offload available on 10GbE ports)
Power supply
Platinum efficiency 750W or Platinum+ efficiency 1100W power supplies Auto-ranging power supplies
Availability
High-efficiency, hot-plug, redundant power supplies; hot-plug drive bays; TPM; dual internal SD support; hot-plug redundant fans; optional bezel; luggage-tag; ECC memory, interactive LCD screen; extended thermal support; ENERGY STAR® compliant, extended power range; Switch Agnostic Partitioning (SWAP)
Remote management
iDRAC7 Express (default) or iDRAC7 Enterprise (upgrade option), both with Lifecycle Controller 8GB or 16GB vFlash media (upgrade options)
Systems management
IPMI 2.0 compliant
Dell OpenManage™ Essentials and Dell Management Console
Dell OpenManage Power Center Dell OpenManage Connections:
• Dell OpenManage Integration Suite for Microsoft® System Center
• Dell plug-in for VMware® vCenter™
• HP Operations Manager, IBM Tivoli® Netcool®, and CA Network and Systems Management
Rack support
ReadyRails™ sliding rails with optional cable management arm for 4-post racks (optional adapter brackets required for threaded hole racks)
Operating systems
Microsoft® Windows Server® 2008 R2 SP1, x64 (includes Hyper-V™ v2)
SUSE® Linux® Enterprise Server
Red Hat® Enterprise Linux
Optional embedded hypervisors:
Citrix® XenServer™
VMware® vSphere™