Dell PowerEdge M420 Manual técnico - Página 18

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5 Memory

More memory options are available than ever before with the Dell PowerEdge M420 — greater

capacities, higher frequencies and more flexibility. The M420 supports up to 192GB of memory

using up to six DIMMs in a dual-processor configuration, and speeds up to 1600MT/s, providing high

performance in a variety of applications. High memory density means there is no compromise when

it comes to virtualization.

Increase your uptime and reduce data loss due to Dell's focus on reliability, availability and

serviceability (RAS) features. RAS aids in the rapid and accurate diagnosis of faults that require service,

increasing your memory reliability. System uptime is reinforced with RAS features like memory

mirroring, sparing and many others.

The M420 supports unbuffered DIMM (UDIMM) and registered DIMM (RDIMM) technology.

Table 6 lists the memory technologies supported by the M420.

Feature

Buffer

Frequencies*

Ranks supported

Capacity per DIMM

Maximum DIMMs per channel

DRAM technology

Temperature sensor

Error Correction Code (ECC)

Single Device Disable Code (SDDC)

Address parity

*Although the M420 supports DIMM speeds lower than 1333MT/s, you can purchase this system with DIMM

speeds of 1333MT/s and 1600MT/s only on Dell.com/PowerEdge.

PowerEdge M420 Technical Guide

Table 6.

Memory technologies supported

UDIMM

1600MT/s

4GB

Yes

Yes (with advanced ECC

mode)

Yes

RDIMM

Yes

1333 or 1600MT/s

1, 2 or 4

2, 4, 8, 16 or 32GB

x4 or x8

Yes