Dell PowerEdge M520 Technical Manual - Page 17

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Dell PowerEdge M520 Technical Manual

5 Memory

More memory options are available than ever before with the Dell PowerEdge M520 — greater
capacities, higher frequencies and more flexibility. The M520 supports up to 384GB of memory
(using 12 DIMMs) 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 the Dell 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.

Supported memory

Table 6 lists the memory technologies supported by the M520.
Feature
Register
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 M520 supports DIMM speeds of 800MT/s and 1066MT/s, you can only purchase this system with DIMM
speeds of 1333MT/s and 1600MT/s on Dell.com/PowerEdge.
PowerEdge M520 Technical Guide
17
Table 6.
Memory technologies supported
UDIMM
No
No
800, 1066, 1333 or 1600MT/s
1 or 2
2 or 4GB
2
x8
Yes
Yes
Yes (with advanced ECC mode)
Yes
RDIMM
Yes
No
800, 1066, 1333 or 1600MT/s
1, 2, or 4
2, 4, 8, 16, or 32GB
3
x4 or x8
Yes
Yes
Yes
Yes