Seagate

Seagate ST9500420AS Momentus 500GB 7200RPM Laptop HDD

4.3 (248 reviews)

Boost Your Laptop's Performance with Speed and ReliabilityThe Seagate Momentus 7200.4 is a high-performance 2.5-inch internal hard drive, designed to enhance the speed and reliability of your laptop or small form factor PC. With a 500GB capacity, 7200RPM spin speed, and a SATA 3Gb/s interface, th...

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Overview

Boost Your Laptop's Performance with Speed and Reliability

The Seagate Momentus 7200.4 is a high-performance 2.5-inch internal hard drive, designed to enhance the speed and reliability of your laptop or small form factor PC. With a 500GB capacity, 7200RPM spin speed, and a SATA 3Gb/s interface, this drive delivers exceptional performance for both personal and professional use.

Key Features:
  • High-Performance: 7200 RPM spin speed for fast data access.
  • Large Capacity: 500GB storage to accommodate all your files and applications.
  • Fast Interface: SATA 3.0Gb/s interface for quick data transfer rates.
Specifications:
  • Capacity: 500 GB
  • Interface: SATA 3.0Gb/s
  • Spin Speed: 7,200 RPM
  • Cache: 16 MB
  • Form Factor: 2.5 Inch
  • Average Latency: 4.17 msec
  • Random Read Seek Time: 11.0 msec
  • Random Write Seek Time: 13.0 msec
  • Height: 0.374 inches (9.5 mm)
  • Width: 2.75 inches (69.85 mm)
  • Depth: 3.951 inches (100.35 mm)
  • Weight: 0.238 lb (110 g)

Key Features

Two Year Warranty

Best-Fit Applications; High-performance and mainstream laptop PCs, Small form factor PCs, Workstations, Industrial applications

SATA 3.0Gb/s Interface, 500 GB Capacity

7,200 RPM Spin Speed,16 MB Cache Buffer

Average latency 4.17 msec, Random read seek time 11.0 msec, Random write seek time 13.0 msec

7,200 RPM Spin Speed,16 MB Cache Buffer

SATA 3.0Gb/s Interface, 500 GB Capacity

Average latency 4.17 msec, Random read seek time 11.0 msec, Random write seek time 13.0 msec

Best-Fit Applications; High-performance and mainstream laptop PCs, Small form factor PCs, Workstations, Industrial applications

Specifications

Brand
Seagate
Model Name
Momentus
Model Number
ST9500420AS
Capacity
500 GB
Spin Speed
7,200 RPM
Interface
SATA 3.0Gb/s
Cache Buffer
16 MB
Average Latency
4.17 msec
Random Read Seek Time
11.0 msec
Random Write Seek Time
13.0 msec

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Pros & Cons

👍 Pros

  • Offers a 500GB capacity, providing substantial storage for a laptop hard drive.
  • Features a 7,200 RPM spin speed, which can contribute to faster data access compared to 5,400 RPM drives.
  • Includes a 16 MB cache buffer, aiding in quicker data retrieval and improved performance.
  • Equipped with a SATA 3.0Gb/s interface, ensuring good compatibility and decent data transfer rates.
  • Marketed for high-performance and mainstream laptop PCs, small form factor PCs, workstations, and industrial applications.

👎 Cons

  • The SATA 3.0Gb/s interface is an older standard, potentially slower than more modern SATA 6.0Gb/s interfaces.
  • The 500GB capacity, while good, may be limiting for users with very large media libraries or extensive software installations.
  • Hard drives, even at 7200 RPM, are inherently slower than solid-state drives (SSDs) for boot times and application loading.
  • The average latency of 4.17 msec is typical for HDDs but significantly slower than an SSD.
  • Random read/write seek times of 11.0 msec and 13.0 msec are slower than SSDs, impacting responsiveness.

Frequently Asked Questions

The Seagate Momentus ST9500420AS hard drive offers a storage capacity of 500 GB.
This Seagate Momentus hard drive has a spin speed of 7,200 RPM.
The Seagate ST9500420AS Momentus hard drive utilizes a SATA 3.0Gb/s interface.
Yes, it is explicitly listed for "Best-Fit Applications" including high-performance and mainstream laptop PCs, as well as workstations.
This Seagate Momentus hard drive is equipped with a 16 MB cache buffer.