Dell PowerEdge R520 - 5 Memory; Supported Memory; Table 7. Memory Technologies Supported

17 PowerEdge R520 Technical Guide
5 Memory
More options are available for the Dell PowerEdge 12
th
generation servers than in previous
generations — more capacity choices and more frequency choices. The PowerEdge R520 supports
up to 384GB of memory with speeds of up to 1600MT/s, providing high performance in a variety of
applications. The new RAS features like memory mirroring and sparing help you increase your
uptime and reduce data loss. RAS aids in the rapid and accurate diagnosis of faults that require
service, increasing your memory reliability.
Supported memory
The R520 supports the memory technologies shown in Table 7.
Table 7. Memory technologies supported
Feature
UDIMM
RDIMM
Register
No
Yes
Buffer
No
No
Frequencies*
1600MT/s
1333 or 1600MT/s
Ranks supported
1 or 2
1, 2 or 4
Capacity per DIMM
2 or 4 GB
2, 4, 8, 16 or 32GB
Maximum DIMMs per channel
2
2
DRAM technology
x8
x4 or x8
Temperature sensor
Yes
Yes
Error Correction Code (ECC)
Yes
Yes
Single Device Disable Code
(SDDC)
Yes (with advanced ECC mode)
Yes
Address parity
Yes
Yes
*Although the R520 supports DIMM speeds lower than 1333MT/s, you can only purchase this system with DIMM speeds
of 1333MT/s and 1600MT/s on Dell.com/PowerEdge.