Hitachi Ultrastar 3.5" 7200rpm 64MB SATA 6Gb/s (HUS724040ALA640) - 4TB

Hitachi HGST Ultrastar 7K4000 is a high-performance 3.5-inch internal hard drive designed for enterprise and heavy-duty storage applications. Below are its key specifications and features:

Specifications:

• Capacity: 4 TB
• Interface: SATA 6 Gb/s (backward compatible with SATA 3 Gb/s & 1.5 Gb/s)
• Form Factor: 3.5-inch (25.4 mm height)
• Rotational Speed: 7200 RPM
• Cache/Buffer: 64 MB
• Sector Size: 512 bytes (native)
• Average Latency: 4.17 ms
• Seek Time (Average): ~8.5 ms (read), ~9.5 ms (write)
• MTBF (Mean Time Between Failures): 2 million hours
• Workload Rate Limit: 550 TB/year

Power Consumption (Avg.): ~6.8 W (operating), ~1.2 W (idle)

Acoustics (Sound Power): ~3.6 Bels (idle), ~3.7 Bels (seek)

Shock Resistance: 70 G (operating), 300 G (non-operating)