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A customer wants to increase his storage capacity by 25 GB. Which option would yield the highest performance? A. 25 GB HDD B. 25 GB PCI-E video card C. 25 GB DDR^4 RAM D. 125 GB USB 3.0 E. 25 GB SSD
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Answer

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Step 1:
Let me solve this step-by-step with a clear performance analysis:

Step 2:
: Understand Storage Performance Metrics

- Performance depends on:

Step 3:

Access speed

Step 4:

Data transfer rate

Step 5:

Latency

Step 6:

Technology type

Step 7:
: Analyze Each Option's Performance Characteristics

- A. 25 GB HDD: - Slowest technology - Mechanical moving parts - Typical speeds: 80 - 160 MB/s - High latency - B. 25 GB PCI-E Video Card: - Designed for graphics processing - Not primary storage device - Not suitable for general storage - C. 25 GB DDR^4 RAM: - Extremely fast access - Volatile memory (loses data when powered off) - Speeds: 17 - 25 GB/s - Primarily for active system memory - D. 125 GB USB 3.0: - Portable storage - Speeds: 5 - 10 GB/s - External storage solution - E. 25 GB SSD: - Fastest non-volatile storage - No moving parts - Speeds: 500 - 3500 MB/s - Low latency - Reliable storage

Step 8:
: Performance Ranking

Step 9:

DDR^4 RAM (fastest but not persistent)

Step 10:

SSD (fastest persistent storage)

Step 11:

USB 3.0

Step 12:

HDD

Step 13:

PCI-E Video Card (not storage)

Final Answer

Option C (25 GB DDR^4 RAM) offers highest raw performance, but Option E (25 GB SSD) provides best practical storage performance with fast access and data persistence.