Western Digital 0F22146 MegaScale DC 4TB SATA HDD

Name: Western Digital 0F22146 MegaScale DC 4TB SATA HDD
Brand: Western Digital
SKU: 0F22146

Cost-Effective and Reliable Storage for Scale-Out Data Centers The HGST MegaScale DC 4000.B is engineered for scale-out data centers, offering a balance of low-power consumption, high capacity, and cost-effectiveness. Designed for low-workload applications such as multi-drive replicated environme...

View price on Amazon

Affiliate Disclosure: As an Amazon Associate, Studio Supplies earns from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Cost-Effective and Reliable Storage for Scale-Out Data Centers

The HGST MegaScale DC 4000.B is engineered for scale-out data centers, offering a balance of low-power consumption, high capacity, and cost-effectiveness. Designed for low-workload applications such as multi-drive replicated environments and online archives, this drive delivers reliable performance and 24x7 accessibility.

Specifications:

Capacity: 4000GB (4TB)
Form Factor: 3.5-Inch
Interface: SATA 6Gb/s
Buffer: 64MB
Sector Size: 512e
MTBF: 800K Hours

Key Features

Dual-Stage Actuator (DSA) and Enhanced Rotational Vibration Safeguard (RVS) for robust performance in multi-drive environments

6Gb/s SATA interface

Advanced Format with 512-byte emulation (512e)

800K hours MTBF

24x7 accessibility for enterprise-class, capacity-optimized applications

Specifications

Capacity

4TB

Interface

6Gb/s SATA

Technology

Dual-Stage Actuator (DSA)

Safeguard

Enhanced Rotational Vibration Safeguard (RVS)

Format

Advanced Format with 512-byte emulation (512e)

MTBF

800K hours

Accessibility

24x7

Application

Enterprise-class, capacity-optimized

Frequently Asked Questions

What is the storage capacity of this Western Digital hard drive?

This Western Digital MegaScale DC HDD offers a substantial 4TB of storage, making it suitable for large data storage needs.

What interface does this hard drive use?

It features a 6Gb/s SATA interface, providing fast data transfer rates for compatible systems.

How does the Dual-Stage Actuator (DSA) benefit the drive?

The Dual-Stage Actuator (DSA) improves head positioning accuracy, contributing to robust and reliable read/write performance in the drive.

Is this hard drive suitable for continuous operation?

Yes, it is designed for 24x7 accessibility, making it ideal for enterprise-class, capacity-optimized applications that require continuous uptime.

What is the purpose of Enhanced Rotational Vibration Safeguard (RVS)?

Enhanced Rotational Vibration Safeguard (RVS) helps to maintain robust performance in multi-drive environments by mitigating the effects of system vibrations.

Strengths & Trade-offs

👍 Pros

Features Dual-Stage Actuator (DSA) technology, which improves head positioning accuracy for reliable read/write operations.
Includes Enhanced Rotational Vibration Safeguard (RVS), ensuring robust performance and stability in multi-drive server environments.
Offers a substantial 4TB storage capacity, providing ample space for large datasets and enterprise-level applications.
Equipped with a 6Gb/s SATA interface, allowing for fast data transfer rates within compatible systems.
Designed for 24x7 accessibility, making it suitable for continuous operation in demanding, capacity-optimized enterprise applications.

👎 Cons

As a Hard Disk Drive (HDD), its performance will be slower than Solid State Drives (SSDs) for tasks requiring very fast data access.
The "512-byte emulation (512e)" Advanced Format may require specific driver or operating system support for optimal compatibility in some older systems.
While designed for 24x7 accessibility, the mechanical nature of HDDs means they are inherently more prone to failure than SSDs over long periods of constant operation.
The 800K hours MTBF is a statistical measure and does not guarantee individual unit lifespan, and real-world results can vary.
This drive is optimized for enterprise-class, capacity-optimized applications, potentially meaning its acoustic or power consumption characteristics might not be ideal for noise-sensitive home users.