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15 | Dell PowerEdge Technical Guide

Processors 4

The PowerEdge R920 features the Intel Xeon processor E7-4800 v2, E7- 8800 v2 and E7-2800 v2

product families with advanced reliability, availability and serviceability (RAS) features to keep your

business operations running and minimize unnecessary downtime. With its high memory capacity,

the R920 is ideal for data-demanding, transaction-intensive workloads, such as ERP, CRM, HPC, and

in-memory database systems.

Processor features

 Up to 15 cores in each processor

 Eight DDR3 channels per socket

 Up to 1600MT/s DDR3 speeds

 Advanced RAS features of Intel Run Sure Technology, designed to reduce frequency and cost

of downtime while protecting data integrity. Intel Run Sure Technology provides 40 reliability

features, including:

> Enhanced Machine Check Architecture Gen 1 (eMCA 1) provides advanced error log data

to system firmware and the OS to improve system diagnostic and predictive failure

analysis

> Machine Check Architecture (MCA) recovery — Execution Path offers the capability for a

system to continue to operate even when the processor is unable to correct data errors

within the memory sub-system and allows software layers to participate in system

recovery

> MCA for I/O provides improved diagnostics and reduce service costs, this feature

provides information on uncorrected I/O errors to the OS so that it can take appropriate

actions.

> PCIe Live Error Recovery (LER) can increase system uptime and extend recovery and

containment from PCIe errors.

Supported processors

The PowerEdge R920 supports up to four E7-4800 v2 and E7-8800 v2 processors, or two E7-2800

v2 processors. Intel Xeon processors supported by the PowerEdge R920 are listed in Table 6. For the

latest information on supported processors, visit Dell.com/PowerEdge.

Supported processors Table 6.

Model

Speed

TDP

Cache

Cores/

Threads

QPI

Turbo

TDP

E7-8893 v2

3.4GHz

155W

37.5M

6/12

8.0GT/s

Yes

155W

E7-8891 v2

3.2GHz

155W

37.5M

10/20

8.0GT/s

Yes

155W

E7-8880L v2

2.2GHz

105W

37.5M

15/30

8.0GT/s

Yes

105W

E7-8857 v2

3.0GHz

130W

30M

12/12

8.0GT/s

Yes

130W

E7-4890 v2

2.8GHz

155W

37.5M

15/30

8.0GT/s

Yes

155W

E7-2890 v2

2.8GHz

155W

37.5M

15/30

8.0GT/s

Yes

155W

E7-4880 v2

2.5GHz

130W

37.5M

15/30

8.0GT/s

Yes

130W

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