What are the performance specifications?

The drive operates at 7200 RPM with a 256MB multisegmented cache, providing consistent performance for demanding workloads in datacenter environments.

What sector sizes are supported?

It supports 512e or 4Kn sector sizes, including FastFormat capability, for compatibility with modern enterprise storage formats and T10 DIF data integrity.

ST4000NM005A - Seagate ST4000NM005A 4TB SAS Enterprise HDD

Name: Seagate ST4000NM005A 4TB SAS Enterprise HDD
Brand: Seagate
SKU: ST4000NM005A
Price: 185 USD
Availability: InStock

ST4000NM005A - Seagate ST4000NM005A 4TB SAS Enterprise HDD | US IT Hardware

Product overview

The Seagate Exos 7E8 ST4000NM005A is a 4TB enterprise hard drive designed for datacenter bulk data storage. It features a 3.5-inch large form factor (LFF) and utilizes a 12Gb/s SAS interface for high-performance connectivity in enterprise environments. Operating at 7200 RPM with a 256MB multisegmented cache, it supports 512e or 4Kn sector sizes, including FastFormat capability. Additional technologies include Product Information (T10 DIF) for enhanced data integrity, humidity sensor, SuperParity, low halogen design, PowerChoice technology, and PowerBalance technology. This model, identified as ST4000NM005A, belongs to the Exos Enterprise 7E8 series, optimized for reliable performance in demanding storage applications. It is a SAS-specific variant suitable for 12Gbps infrastructures.

4TB capacity, 3.5-inch LFF form factor
12Gb/s SAS interface, 7200 RPM speed
256MB multisegmented cache
512e or 4Kn sector sizes, FastFormat
PowerChoice and PowerBalance technology
T10 DIF, SuperParity, humidity sensor

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Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	ST4000NM005A
Brand	Seagate
Condition	Refurbished
AFR	0.44%
Cache	256 MB
Model	ST4000NM005A
Series	Exos 7E8
Capacity	4 TB
Spin Speed	7200 RPM
Form Factor	3.5-inch LFF
Sector Size	512e or 4Kn
Idle Average	5.94 W

Best for

Datacenter Bulk Storage
Provides 4TB capacity with 12Gb/s SAS interface for high-volume data storage in data centers.
Enterprise Servers
Supports 7200 RPM performance and 256MB cache for reliable operation in server environments.
High-Capacity Arrays
Features 512e/4Kn sector sizes and PowerBalance technology for optimized enterprise storage arrays.

Frequently asked questions

What is the storage capacity and form factor of the Seagate Exos 7E8 ST4000NM005A?

The drive offers 4TB capacity in a 3.5-inch LFF form factor, designed for enterprise bulk data storage applications. This configuration supports integration into standard datacenter chassis.

What interface does the ST4000NM005A use?

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4TB SAS Hard Drives Refurbished Enterprise Hard Drives Enterprise SAS Hard Drives 4TB Enterprise Hard Drives

MTBF	2,000,000 hours
Average Latency	4.16 ms
Max Sustainable Transfer Rate	215 MB/s

Interface	12 Gb/s SAS
Interface Ports	Dual
Electrical Interface	SAS-3 12Gbps

Seagate ST4000NM005A 4TB SAS Enterprise HDD

Product overview

Featuring

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Performance

Power Consumption

Networking Ports & Interfaces

Seagate ST4000NM005A 4TB SAS Enterprise HDD

Product overview

Featuring

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

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Performance

Power Consumption

Networking Ports & Interfaces