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Crucial CT128M550SSD1 128GB SATA 2.5
Crucial

Crucial CT128M550SSD1 128GB SATA 2.5" Internal SSD

★★★★★4.6 (1715 reviews)

Enhance Your System with the Crucial M550 128GB Internal SSD Upgrade your computer's performance with the Crucial M550 128GB SATA Internal Solid State Drive. Experience faster boot times, quicker application loading, and improved overall system responsiveness. This SSD is designed for reliability...

$39.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Enhance Your System with the Crucial M550 128GB Internal SSD

Upgrade your computer's performance with the Crucial M550 128GB SATA Internal Solid State Drive. Experience faster boot times, quicker application loading, and improved overall system responsiveness. This SSD is designed for reliability and efficiency, ensuring a smooth computing experience.

Specifications:

  • Capacity: 128GB
  • Form Factor: 2.5"
  • Height: 7mm (with 9.5mm adapter)
  • Interface: SATA

Key Features

Load files and programs almost instantly

Boot up almost immediately

550 MB/s sequential reads, 500 MB/s sequential writes, 95k random reads, 85k random writes

Download massive files in seconds rather than minutes

Manage power so your battery lasts longer

Store lots of data available in capacities up to 1TB

Compatible with PC and Mac systems

Encrypt and protect personal data against loss or theft

Specifications

Capacity
128GB
Form Factor
2.5"
Interface
SATA
Sequential Read Speed
550 MB/s
Sequential Write Speed
500 MB/s
Random Read Speed
95k IOPS
Random Write Speed
85k IOPS
Compatibility
PC and Mac systems

Pros & Cons

👍 Pros

  • Experience nearly instant boot-up times, significantly reducing waiting before you can use your computer.
  • Load files and programs with exceptional speed, enhancing your overall productivity and user experience.
  • Achieves high sequential read speeds of 550 MB/s, facilitating quick data access for large applications and media.
  • Features robust sequential write speeds of 500 MB/s, allowing for rapid saving and transfer of significant data volumes.
  • Offers 95k random read IOPS, which is beneficial for complex tasks like multitasking or working with large databases.

👎 Cons

  • The 128GB capacity may be restrictive for users who require extensive storage for numerous applications, games, or large media files.
  • Although performing well, this SSD is not based on the latest NVMe technology, which offers even faster speeds on compatible systems.
  • The product claims to "manage power," but specific details on power consumption savings or battery life extension are not quantified.
  • While compatible with PC and Mac, some older systems might require specific driver updates or BIOS configurations for optimal performance.
  • Data protection features are mentioned generally, without specifying particular encryption standards or certifications.

Frequently Asked Questions

Yes, this Crucial M550 SSD is designed to allow your system to boot up almost immediately, significantly reducing wait times.
It offers sequential read speeds of 550 MB/s, sequential write speeds of 500 MB/s, 95k random reads, and 85k random writes, leading to faster data handling.
Yes, the Crucial M550 SSD is compatible with both PC and Mac systems, providing broad usability.
While the 128GB model offers a respectable amount of storage for an operating system and essential applications, the M550 series is available in capacities up to 1TB for more extensive data storage needs.
Yes, this SSD is designed to manage power efficiently, which can contribute to your battery lasting longer.
Yes, it includes features to encrypt and protect personal data against loss or theft, enhancing your data security.

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