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Crucial CT128M550SSD1 128GB M550 SATA 2.5
Crucial

Crucial CT128M550SSD1 128GB M550 SATA 2.5" Internal SSD

★★★★★4.6 (1715 reviews)

Elevate Your Computing Experience with Speed and ReliabilityThe Crucial M550 SSD delivers exceptional performance and reliability, transforming your computing experience. With fast read and write speeds, this solid-state drive ensures quick boot times, rapid application loading, and responsive mu...

$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

Elevate Your Computing Experience with Speed and Reliability

The Crucial M550 SSD delivers exceptional performance and reliability, transforming your computing experience. With fast read and write speeds, this solid-state drive ensures quick boot times, rapid application loading, and responsive multitasking.

  • Brand: Crucial
  • Model: CT128M550SSD1
  • Capacity: 128GB
  • Interface: SATA
  • Form Factor: 2.5-inch, 7mm (with 9.5mm adapter)

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

  • Achieve significantly faster boot times, allowing your system to be ready for use almost immediately.
  • Load applications and large files with impressive speed, dramatically reducing wait times during your workflow.
  • Benefit from strong sequential read speeds of 550 MB/s, enhancing overall data access and retrieval.
  • Sequential write speeds of 500 MB/s enable quick saving and transfer of substantial files.
  • Offers robust random read performance at 95k IOPS, which is beneficial for multitasking and database operations.

👎 Cons

  • The 128GB capacity may be limiting for users requiring extensive storage for large media libraries or numerous applications.
  • While offering strong performance, it is not the newest generation of SSD technology, which might influence long-term upgrade considerations.
  • Specific details on power consumption metrics are not provided beyond the general claim of longer battery life.
  • The encryption and protection features are described generally, without specific security standard certifications.
  • The drive's form factor is 2.5" SATA, which may not be suitable for newer systems that primarily use M.2 NVMe slots.

Frequently Asked Questions

The Crucial M550 SSD is designed to significantly improve system responsiveness, allowing files and programs to load almost instantly and reducing boot-up times.
This SSD offers sequential read speeds of up to 550 MB/s, sequential write speeds of up to 500 MB/s, random read speeds of 95k IOPS, and random write speeds of 85k IOPS.
Yes, the Crucial M550 SSD is compatible with both PC and Mac systems, making it a versatile upgrade option.
Yes, one of the features of this SSD is its ability to manage power, which can contribute to a longer battery life for compatible systems.
This SSD includes features to encrypt and protect personal data against loss or theft, enhancing data security.
No, while this specific product is 128GB, the Crucial M550 series is available in capacities up to 1TB.

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