CompTIA Server+ (SK0-005)Server Hardware Installation and ManagementEasy
A server administrator is deploying a new virtualization host that requires high memory capacity and stability. The server motherboard supports DDR4 memory modules. Which of the following memory types would be BEST suited for this scenario?
- ASmall Outline DIMM (SODIMM)
- BRegistered DIMM (RDIMM)
- CNon-Volatile DIMM (NVDIMM)
- DUnbuffered DIMM (UDIMM)
Show answer & explanationAnswer & explanation
Correct answer: B. Registered DIMM (RDIMM)
Registered DIMMs (RDIMMs) are specifically designed for enterprise servers, offering increased stability and supporting higher memory capacities compared to UDIMMs, making them ideal for virtualization hosts.
Why the other options are wrong
- A. SODIMMs are smaller form factor memory modules primarily used in laptops and small-form-factor PCs, not enterprise servers.
- C. NVDIMMs combine DRAM with non-volatile memory for data persistence during power loss, but they are not the primary choice for high capacity and stability in a standard virtualization host scenario.
- D. UDIMMs are typically used in consumer-grade desktops and laptops; they lack the stability and capacity needed for enterprise servers.
Registered DIMM (RDIMM)
A type of memory module that includes a register chip to buffer electrical loads, improving signal integrity and allowing servers to support more memory modules and higher total capacities.
- Used primarily in servers and workstations.
- Enhances stability and reliability.
- Supports higher memory capacities than UDIMMs.
Memory trick: Servers Really Demand Robust Memory for Reliability and Data Integrity.