Servers - General

server with LRDlMMs

 
DoHuuBa
Contributor

server with LRDlMMs

When should you choose to populate a server with LRDlMMs?

  1. when error correction is the most important factor
  2. when price is the most important factor
  3. when memory capacity is the most important factor
  4. when memory speed is the most important factor
1 REPLY 1
AmRa
HPE Pro

Re: server with LRDlMMs

LRDIMMs support higher densities than single- and dual-rank RDIMMs, and higher speeds than quad-rank RDIMMs. This support enables you to install more high capacity DIMMs, resulting in higher system capacities and higher bandwidth.

Below are the memory subsystem in this server can support LRDIMMs, RDIMMs, UDIMMs, or HDIMMs:

  • UDIMMs represent the most basic type of memory module and offer lower latency in one DIMM per channel configurations and (relatively) low power consumption, but are limited in capacity.
  • RDIMMs offer larger capacities than UDIMMs and include address parity protection.
  • LRDIMMs support higher densities than single- and dual-rank RDIMMs, and higher speeds than quad-rank RDIMMs. This support enables you to install more high capacity DIMMs, resulting in higher system capacities and higher bandwidth.
  • HDIMMs provide faster speeds than other DIMMs. 12 DIMMs per processor are required with HDIMMs.
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