Seagate 4T 3.5 7.2K SATA 6 Gb/s (SATA III)

Seagate Exos 7E10 4TB (ST4000NM000B)

The Seagate Exos 7E10 (ST4000NM000B) is an enterprise-class 3.5-inch hard drive designed for high-density bulk data storage, 24×7 availability, and heavy workload environments. Built on conventional magnetic recording (CMR) technology, it delivers consistent performance and low total cost of ownership (TCO) across server and RAID applications.

Core Specifications

Feature	Specification
Model Number	ST4000NM000B
Product Line	Exos 7E10
Formatted Capacity	4 TB (4,000 GB)
Interface	SATA 6 Gb/s (SATA III)
Spindle Speed	7,200 RPM
Cache (Buffer)	256 MB (Multisegmented)
Sector Format	512n (512-byte Native)
Recording Technology	Conventional Magnetic Recording (CMR)
Form Factor	3.5-inch Large Form Factor (LFF)

Performance & Reliability

Parameter	Value
Max Sustainable Transfer Rate	215 MB/s
Interface Access Speed	6.0 Gb/s
Average Latency	4.16 ms
Workload Rate Limit (WRL)	550 TB / year
Mean Time Between Failures (MTBF)	2,000,000 hours
Annualized Failure Rate (AFR)	0.44% (at full 24×7 operation)
Non-recoverable Read Errors	1 sector per $10^{15}$ bits read
Power-On Hours	8,760 hours/year (24×7 continuous duty)
Warranty	5-Year Limited Manufacturer Warranty

Power Consumption

Mode	Power Draw
Idle Average	6.04 W
Random Read (Operating Average)	10.32 W
Power Supply Requirements	+12 V and +5 V

Physical Dimensions & Environmental Tolerances

• Height: 26.11 mm (1.028 in)

• Width: 101.85 mm (4.010 in)

• Depth: 147.00 mm (5.787 in)

• Weight: 650 g (1.43 lb)

• Operating Temperature: 5°C to 60°C

• Operating Shock (Read/Write): 70 / 40 G (at 2ms)

• Non-Operating Shock: 150 G (1ms) / 300 G (2ms)

• Rotational Vibration Tolerance: 12.5 rad/s² @ 1500 Hz