Server Memory Modules: Identifying ECC RAM

220-1201 By islever Editorial Last updated

Short answer

B ECC memory is typically found in server modules because it provides error detection and correction capabilities essential for system stability.

Question

Which of the following is typically found in server memory modules?
  1. RGB
  2. ECC Correct Answer
  3. Static
  4. SODIMM

Key Takeaways

The core concept tested is the distinction between physical form factors (like SODIMM) and functional error-correction technologies (like ECC), with ECC being critical for server reliability.

This CompTIA A+ 220-1201 question identifies ECC as the standard memory type for servers due to its error-correcting capabilities, distinguishing it from consumer-grade RAM.

Common mistake: Candidates often choose SODIMM because it is a common laptop memory type, failing to recognize that servers prioritize error correction (ECC) over form factor specifics like SO-DIMM vs DIMM.

Expert Analysis

The question asks for a type of memory typically found in server modules. Servers require high reliability and data integrity, making ECC (Error-Correcting Code) memory the standard choice. ECC RAM can detect and correct single-bit memory errors automatically, preventing system crashes and data corruption.

Option B is correct.

A common trap is selecting Option D (SODIMM). While SODIMMs are physical form factors (small outline DIMMs) used primarily in laptops and some compact servers, the term itself does not denote the error-correction capability essential to server architecture. A laptop might use SODIMM without ECC, while a rackserver uses UDIMM or RDIMM with ECC. The key differentiator for servers is the error correction, not the physical size.

Option A (RGB) refers to lighting aesthetics, irrelevant to server functionality.

Option C (Static) likely confuses Static RAM (SRAM), which is used in CPU caches, with Dynamic RAM (DRAM), which is used in main system memory.

Official Reference

These links open the official vendor documentation in a new tab.

Exam Strategy

When analyzing hardware components, always distinguish between physical characteristics (size, connector type) and functional attributes (speed, error correction). For server-related questions, prioritize features that ensure uptime and data integrity, such as ECC or RAID, over those related to portability or aesthetics.

Frequently Asked Questions

What is the difference between ECC and non-ECC RAM?

ECC (Error-Correcting Code) RAM can detect and fix single-bit memory errors automatically, ensuring data integrity. Non-ECC RAM lacks this feature and is prone to silent data corruption.

Can servers use SODIMM memory?

Yes, some small form-factor servers or blade systems may use SODIMMs, but they will still typically incorporate ECC technology if they are mission-critical.

More 220-1201 FAQ →

Community Votes

B
100%

100% of anonymous learners picked answer B. Votes are pick records left by other test-takers — they are not the verified answer.

Discussion 1 contributions

Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.

From public community threads 1

  1. Afie 👍 1 Answered B
    ECC (Error-Correcting Code) memory is commonly found in servers because it can detect and correct memory errors automatically. Benefits of ECC RAM: ✅ Improves system stability ✅ Prevents data corruption ✅ Essential for servers, databases, and mission-critical applications ✅ Can correct single-bit memory errors

Reader comments & corrections

No reader corrections yet — spotted an error or have a note? Share it below.

Log in to comment, report an error, or add a note about this question.

Practice All 220-1201 Questions

Access 105 questions with complete answers and detailed explanations.

View Full 220-1201 Practice Test →

← Back to 220-1201 Study Guide