Dell PowerEdge T420 - 5 Memory; Supported Memory; Table 8. Memory Technologies Supported

19 PowerEdge T420 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 T420 supports
up to 384GB of memory with speeds of up to 1600MT/s, providing high performance in a variety of
applications. The new reliability, availability and serviceability (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 T420 supports the memory technologies shown in Table 8.
Table 8. Memory technologies supported
Feature
UDIMM
RDIMM
Register
No
Yes
Buffer
No
No
Frequencies*
800, 1066, 1333, or 1600MT/s
800, 1066, 1333, or 1600MT/s
Ranks supported
1 or 2
1, 2, or 4
Capacity per DIMM
2 or 4GB
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 T420 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.