Western Digital

Western Digital HGST Ultrastar 4TB SAS Enterprise Drive

3.7 (8 reviews)

Enterprise-Class Storage for Demanding EnvironmentsThe HGST Ultrastar 7K4000 is a robust internal hard drive designed for enterprise environments. With high capacity, fast performance, and superior reliability, it’s ideal for critical data storage. Capacity: 4TB Form Factor: 3.5" RPM: 7200...

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Overview

Enterprise-Class Storage for Demanding Environments

The HGST Ultrastar 7K4000 is a robust internal hard drive designed for enterprise environments. With high capacity, fast performance, and superior reliability, it’s ideal for critical data storage.

  • Capacity: 4TB
  • Form Factor: 3.5"
  • RPM: 7200
  • Interface: SAS 12Gb/s
  • Cache: 64MB

Key Features

Industry's leading 4TB capacity in a standard 3.5-inch form factor

Industry's best Idle and Active power efficiency (Watts/TB)

Reliable, field-proven, 2nd generation HelioSeal process and 7Stac design

2M hours MTBF rating & 5-year limited warranty

Advanced format 4Kn and 512e models

Specifications

Capacity
4TB
Form Factor
3.5-inch
Interface
SAS
Design
2nd generation HelioSeal, 7Stac
MTBF Rating
2M hours
Warranty
5-year limited
Advanced Format Support
4Kn and 512e models

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Pros & Cons

👍 Pros

  • Offers a substantial 4TB capacity in a standard 3.5-inch form factor, ideal for enterprise storage.
  • Achieves industry-leading Idle and Active power efficiency, reducing operational costs per terabyte.
  • Features a reliable, field-proven 2nd generation HelioSeal process and 7Stac design for enhanced durability.
  • Boasts a high 2M hours MTBF (Mean Time Between Failures) rating, indicating long-term reliability.
  • Comes with a 5-year limited warranty, providing extended peace of mind for enterprise users.
  • Supports both Advanced Format 4Kn and 512e models, offering flexibility for different system requirements.

👎 Cons

  • Utilizes a SAS interface, which may require specific controllers and is not as universally compatible as SATA.
  • The 3.5-inch form factor might not be suitable for systems with limited space or requiring 2.5-inch drives.
  • The drive is designed for enterprise use, potentially leading to higher costs compared to consumer-grade drives.
  • Detailed performance metrics such as rotational speed (RPM) or specific transfer rates are not provided.
  • While power efficient, the initial cost could be a consideration for budget-conscious buyers.

Frequently Asked Questions

No, this is a SAS (Serial Attached SCSI) enterprise drive, which requires a SAS controller and is not directly compatible with standard SATA interfaces.
The specific rotational speed (RPM) of the Western Digital HGST Ultrastar 4TB SAS Enterprise Drive is not provided in the features.
While technically possible with a SAS controller, this enterprise-grade drive is primarily designed for server environments due to its SAS interface and features.
The HelioSeal process refers to filling the drive with helium instead of air, which allows for thinner platters, higher capacities, and improved power efficiency and reliability.
As an enterprise SAS drive, it will require appropriate SAS host bus adapter (HBA) drivers to be recognized and function correctly within a server operating system.