💾 Western Digital (WD) 3TB Blue Hard Disk — Key Specs
📦 General
Brand: Western Digital (WD)
Series: WD Blue
Capacity: 3 TB (≈ 3000 GB) of storage — ideal for large files, media libraries, backups, etc.
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Form Factor: 3.5-inch desktop HDD — fits in most PC desktop cases.
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Interface: SATA 6 Gb/s (SATA III) — standard connection for modern motherboards.
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⚙️ Performance
Rotational Speed: ~5400 RPM — a balance of quiet operation and power efficiency (not as fast as 7200 RPM).
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Cache: 256 MB buffer (model dependent) — helps with sustained transfers.
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Max Transfer Rate: Up to ~180 MB/s sustained throughput.
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Recording Tech: Uses CMR or SMR depending on exact model; both are typical HDD methods for data layout.
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🔒 Reliability & Durability
Load/Unload Cycles: ~300,000 — typical for desktop drives.
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Error Rate: <1 non-recoverable error per 10¹⁴ bits read — industry-standard reliability metric.
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Warranty: 2-year limited warranty included.
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⚡ Power & Noise
Power Usage: Low — good for energy-efficient systems.
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Noise: Quieter than high-speed drives due to 5400 RPM operation.
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🧠 Best Uses
✔ General storage: photos, videos, games, music, large files
✔ System backups and media libraries
✔ Office desktops or secondary storage drives
✔ Quiet, low-power setups
⚠️ Limitations
❌ Not a high-speed drive: 5400 RPM means slower performance than 7200 RPM HDDs or SSDs — especially for booting OS or heavy file access.
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❌ Not ideal for intensive workloads (e.g., large databases, video editing project files) due to lower throughput.
📝 Summary
Feature WD Blue 3TB HDD
Capacity 3 TB
Form Factor 3.5″
Interface SATA 6 Gb/s
RPM ~5400
Cache ~256 MB
Max Transfer ~180 MB/s
