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Difficulty: MediumRAM Types and Characteristics

A field technician is servicing a compact All-in-One (AiO) desktop system that requires a RAM capacity expansion. The technician attempts to install a full-sized 288-pin DDR4 Unbuffered DIMM, but finds that the module is physically too long to fit into the motherboard's memory expansion slots. Which of the following RAM form factors is required for this system?

  1. SO-DIMMAnswer
  2. B
    RDIMM
  3. C
    UDIMM
  4. D
    Single-channel DIMM

Answer

SO-DIMM is the required memory form factor for compact and All-in-One desktop systems.
SO-DIMM (Small Outline Dual In-line Memory Module) is the compact physical form factor specifically designed for space-constrained computing environments, including laptops, small form-factor PCs, and All-in-One desktops.

Step-by-Step Solution

1
Identify the physical constraint described in the scenario.
The motherboard slot is too short to accept a full-sized 288-pin desktop DIMM module.
Compact chassis designs like laptops and All-in-One PCs utilize smaller physical memory slots.
2
Determine the standard smaller memory form factor used in compact computers.
SO-DIMM (Small Outline DIMM) modules are explicitly engineered with shorter lengths (e.g., 260-pin for DDR4) for high-density, space-restricted systems.
Full-sized DIMMs (UDIMM and RDIMM) cannot physically fit or latch into SO-DIMM expansion slots.

Key Concept

RAM Form Factors (DIMM vs. SO-DIMM)
Estimated Time:1m 0s
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Topics

RAM Types and Characteristics

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