|IBM System x3850 X6||HP ProLiant DL580 G8||Dell PowerEdge R920 4U||Oracle Sun Server X4-4|
|Scalable 4-socket server with Intel® Xeon® processor E7 v2 family||System x3850 X6 is powered by the latest Intel® Xeon® processor E7-v2 product families and scales from 4- to 8-sockets with 120 cores||No scalable 4-socket server||No scalable 4-socket server||No scalable 4-socket server|
|3X the memory capacity of previous-generation competitive servers||IBM X6 Intel® Xeon® processor E7 v2 family allows for 3X the memory, or 6TB1||3TB||6TB||3TB|
|eXFlash Memory Channel Storage that allows for Flash storage to be leveraged in the memory DIMM slots||3X lower latency for significantly faster database performance3||Not available||Not available||Not available|
|Storage options||The x3850 X6 supports 2.5 inch SAS, SATA, and SSDs, 3.5 inch SAS drives and 1.8 inch SSDs||HP DL580 G8 only supports 2.5 inch drives||The Dell R920 only supports 2.5-inch drives||The X4-4 only supports 2.5-inch SAS drives and SSDs|
|Long-term flexibility and investment protection||Supports processor and memory technology upgrades to the next generation as workload demands change4||Not available||Not available||Not available|
|Predictive Failure||Tool that can provide up to 48 hours notice that a component may fail. Select models feature PFA on memory, hard disk drives, CPUs, fans, blowers and voltage regulator modules||Hard disk drives, memory, CPU||Hard disk drives, memory||-|
|Lightpath||Provides easy notification and identification of a failed component, via an externally visible panel - even if the power is off||Insight Display||-||-|
1 6TB maximum memory vs. 2TB or less for previous-generation competitive 4-socket servers.
2 x3850 X6 without eXFlash DIMMs can support up to 25.6TB of Flash storage using 16 x eXFlash 1.8” 400GB SSDs and 8 x 2.4TB MLC Duo Adapters. An x3850 X6 with eXFlash DIMMs can support up to an additional 12.8TB Flash storage leveraging 32 x 400GB eXFlash DIMMs for a total of 38.4TB) of flash storage in the server.
3 Laboratory testing shows eXFlash DIMMs can deliver 3 times lower latency (<5 microsecond) than PCIe based flash (15-19us).
4 When a newer generation of processor and memory technology becomes available, Compute Books can be replaced with newer ones. (All Compute Books must use matching technology.)
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