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Express Flash drives

Express Flash drives use PCIe and SSD technologies to provide performance, scalability and optimal

serviceability. Accelerated performance with high IOPs is made possible without requiring processor

resources or capturing DRAM. Also, Express Flash drives use a standardized, 2.5-inch hot-plug form

factor, which allows a common management process for all drives.

The PowerEdge M820 has an option to support up to two Express Flash PCIe SSD drives with the

PCIe SSD backplane configuration. This backplane configuration may be selected at purchase, but

may not be upgraded later.

Storage controllers

Dell provides highly capable RAID options for you to ensure that your data remains safe. Dell's RAID

controller options offer impressive performance improvements. The internal RAID controllers have a

dedicated connection to the system board.

Supported RAID controllers

The newest line of PowerEdge RAID Controllers (PERCs) offers high I/O performance for a variety of

uses, including database applications and streaming digital media environments.

PERC H710P

The PERC H710P is an eight-port, internal, 6Gbps PCIe RAID controller (mini form factor) with 1GB

DDR3 non-volatile (NV) cache.

PERC H710

The PERC H710 is an eight-port, internal, 6Gbps PCIe RAID controller (mini form factor) with 512MB

DDR3 NV cache.

PERC H310

The PERC H310 is an eight-port, internal, 6Gbps PCIe RAID controller (mini form factor) that is a

low-cost, entry-level RAID solution.

For more information about the latest PERC offerings, see Dell.com/PERC.

RAID controller feature support

Table 12 lists the features supported by the RAID controller options on the M820.

Feature

Software RAID stack

iMR firmware stack

MR firmware stack

SSD support

SATA backplane

SAS backplane

SATA hard drives

PowerEdge M820 Technical Guide

Table 12.

RAID controller feature support

PERC option

H310

H710

H710P

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