Dell POWEREDGE R720 - Manual (Page 14)

Power Efficiency Comparison of the Dell PowerEdge R720 and HP ProLiant DL380p Gen8 Rack Servers
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Appendix B — Server hardware configuration information
Table 2: Server hardware configuration information
Server hardware PowerEdge R720 Proliant DL380p Gen8
Memory modules
Total RAM in system (GB) 32 32
Vendor Samsung Samsung
Type 2Rx8 PC3L-10600R 2Rx8 PC3L-10600R
Speed (MHz) 1333 1333
Timing/latency CAS 9 CAS 9
Number of RAM modules 4 x 8 GB 4 x 8 GB
Hard disk
Number of disks in system 2 2
Size (GB) 73 73
RPM 15,000 15,000
Type SAS 6 Gbps SAS 6 Gbps
RAID type RAID 1 RAID 1 + 0 6
Controller Dell PERC H710P 1GB HP Smart Array P420i 1GB
Operating system
Name Microsoft Windows Server 2008 R2
Enterprise SP1
Microsoft Windows Server
2008 R2 Enterprise SP1
Build number 7601 7601
File system NTFS NTFS
Language English English
Network adapter
Vendor and model number Intel I350-t Quad Port Gigabit Broadcom 331FLR Quad
Port Gigabit
Type Integrated Integrated
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On the HP Smart Array P400i, RAID 1+0 is the only option available in a two-hard drive configuration.