Western Digital

Western Digital 0B23661 HGST Ultrastar 300GB 15K RPM SAS Enterprise HDD

3.4 (16 reviews)

Maximize Performance with Enterprise-Class Storage The HGST Ultrastar 15K600 is a high-performance hard drive designed for enterprise environments. Featuring a 300GB capacity, 15000RPM spindle speed, and a 64MB cache, this drive delivers exceptional speed and reliability for demanding application...

$169.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Maximize Performance with Enterprise-Class Storage

The HGST Ultrastar 15K600 is a high-performance hard drive designed for enterprise environments. Featuring a 300GB capacity, 15000RPM spindle speed, and a 64MB cache, this drive delivers exceptional speed and reliability for demanding applications. With a SAS interface, the Ultrastar 15K600 is built for mission-critical performance and data-intensive tasks.

Specifications:

  • Capacity: 300GB
  • Interface: SAS 6GB/s
  • Speed: 15000RPM
  • Cache: 64MB
  • Form Factor: 3.5-Inch
  • Average Latency: 2.0ms
  • Power Requirement: +5 VDC (+/-5%) +12 VDC (+/-10%)
  • Dimensions: 101.6 x 146.2 x 25.8 mm
  • Weight: 750g (max)

Key Features

300GB capacity will store most everything

Spinning at 15,000 RPM for mission criticalperformance

FCAL & SAS interfaces for reliable data throughput

Largest 64MB cache buffer in the industry

Lowers power consumption and saves cooling cost

Specifications

Brand
Western Digital
Model
HGST Ultrastar
Capacity
300GB
RPM
15,000 RPM
Interface
FCAL & SAS
Cache Buffer
64MB

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Pros & Cons

👍 Pros

  • Offers a substantial 300GB capacity for enterprise-level data storage needs.
  • Features an impressive 15,000 RPM spindle speed, delivering mission-critical performance for demanding applications.
  • Equipped with both FCAL & SAS interfaces, providing reliable and high-throughput data transfer options.
  • Boasts the industry's largest 64MB cache buffer, which enhances data access and processing efficiency.
  • Designed to lower power consumption, contributing to reduced cooling costs and overall operational savings.

👎 Cons

  • The 300GB capacity, while sufficient for many enterprise tasks, may be a limitation for very large data sets or extensive archival purposes.
  • A 15,000 RPM drive can generate more heat and noise compared to slower RPM or solid-state drives.
  • SAS and FCAL interfaces typically require specialized controllers and infrastructure, which may not be present in all systems.
  • The focus on enterprise features suggests this HDD might be overkill for standard desktop or consumer use cases.
  • While power consumption is lowered, it's still a mechanical drive and might consume more power than an equivalent SSD.

Frequently Asked Questions

This Western Digital HGST Ultrastar drive offers a substantial 300GB capacity, suitable for storing a significant amount of data.
This HDD spins at 15,000 RPM, which is designed for mission-critical performance where high data access speeds are essential.
The drive features both FCAL and SAS interfaces, ensuring reliable data throughput for enterprise environments.
It features a 64MB cache buffer, which is described as the largest in the industry for this type of drive, aiding in performance.
Yes, it is designed to lower power consumption, which can contribute to savings on cooling costs in data centers.