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The Crucial M550 SSD

Do more. Faster. Longer.

A breakthrough in innovation, the Crucial® M550 SSD is over 20 times faster than a typical hard drive* and consumes significantly less power. It enables your computer to boot up almost immediately, load files and programs almost instantly, accelerate demanding applications, and manage power so that your battery lasts up to 50 minutes longer. Backed by the most advanced feature set available - Native Write Acceleration, RAIN technology, Adaptive Thermal Protection, hardware-based encryption, and our exclusive data integrity algorithm - the Crucial M550 delivers a complete performance gain that's measured by far more than just specs.

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Consistently fast speeds. No exceptions.

Every manufacturer has ideas about how to deliver better performance. Some use file compression schemes, but those don't help video, audio, or graphic files that are already compressed. Some steal system memory to improve a slow drive. The Crucial M550 treats all files the same, regardless of whether they're compressed or uncompressed, so the specs we advertise are the same ones you'll see in real world use: true 550 MB/s sequential reads across all file types.

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Download large files in seconds, rather than minutes.

Our engineers are relentless and passionate about the products they create. To deliver consistently fast write performance, they developed a more efficient and dependable way to write data called Native Write Acceleration. This technology spreads the drive's workload across several elements, and links the controller, custom firmware, and flash storage components together, enabling you to achieve inherently faster downloads, saves, and file transfers.

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Achieve top speeds without sacrificing reliability.

Normally, as an SSD's level of performance increases, its level of reliability decreases. Not so with the Crucial M550. With over 35 years of defining and refining some of the world's most advanced memory and storage technologies, we leveraged our expertise to create RAIN (Redundant Array of Independent NAND). This technology protects your data at the component level, similar to the way RAID is used with multiple drives.

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Save on power costs and enjoy longer battery life.

Run your system longer than ever before - and use less power. Based on published specs, a common laptop hard drive uses 2.5 watts of power on an average workload, compared to 0.15 watts on the Crucial M550 (which is up to 94% more energy efficient).** In everyday terms, this means significantly more battery life and substantial savings on power costs.

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Guard against corrupt files with our exclusive data integrity algorithm.

If one of your videos, photos, or files happened to get corrupted, there's a good chance it would no longer be usable. That's why we've taken additional safeguards to ensure the integrity of your data. As a leading manufacturer of the flash storage components that go into SSDs, our exclusive multi-step data integrity algorithm is built into the components we use, arming them with four layers of defense against data corruption.

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Secure and protect your data - with no loss in performance.

You probably save lots of sensitive and personal information on your computer - encrypt it and keep it safe. As a self-encrypting drive, the Crucial M550 incorporates the highest level of hardware encryption into the controller, allowing the drive to operate at full speed without the performance loss associated with software-based encryption. The Crucial M550 is one of the only drives on the market to meet the rigorous requirements of TCG Opal 2.0, IEEE-1667, and Microsoft® eDrive®.

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Keep your system cool - even when you overwork it.

Push your drive to the limit and avoid overheating, even in ultra-small, thermally constrained systems. The Crucial M550 includes Adaptive Thermal Protection technology, which enables the drive to dynamically adjust NAND activity based on usage demands. With this technology, the drive is able to maintain optimal operating temperatures, even when you overwork it.

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Store up to 1TB.

Available in capacities up to 1TB, the Crucial M550 provides plenty of space to store large programs and your ever-growing collection of photos, videos, music, and work files. Available in the form factors of today (2.5-inch and mSATA), and tomorrow (M.2), the Crucial M550 is designed to go the distance.

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Micron® quality - a higher level of reliability.

As a brand of Micron, one of the largest flash storage manufacturers in the world, the Crucial M550 is backed by the same quality and innovation that has produced some of the world's most advanced memory and storage technologies. With over a thousand hours of prerelease validation testing and hundreds of SSD qualification tests, the Crucial M550 has been thoroughly tried, tested, and proven for the most demanding applications.

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The Crucial M550 features

FeatureWhy it matters
Advanced FeaturesHigh I/O and Throughput PerformanceTrue 550 MB/s sequential reads on both compressible and incompressible data.
Native Write AccelerationInherently faster downloads, saves, and file transfers for all file types and sizes.
RAIN (Redundant Array of Independent NAND)Achieve top speeds without sacrificing reliability. Enterprise-class feature in a consumer drive.
Low Power Consumption94% more energy efficient than a common hard drive. Delivers up to 50 more minutes of battery life and substantial power savings.
Multistep Data Integrity AlgorithmProvides four layers of defense against data corruption.
AES 256-bit Hardware EncryptionKeep personal files and sensitive information secure. Meets IEEE-1667 and TCG Opal 2.0 encryption standards. Compatible with Microsoft® eDrive®.
Adaptive Thermal ProtectionHelps prevent overheating and adjusts power consumption based on usage demands.
Supports Device SleepDrive uses only 0.003 watts when a DEVSLP-enabled system is in sleep mode.
Power Loss ProtectionProtects integrity of stored data during unexpected power loss
Standard FeaturesData Path ProtectionStandard SSD features that automate maintenance and improve reliability
Active Garbage Collection
SMART (Self-Monitoring and and Reporting Technology)
ECC (Error Correction Code)
Supports TRIM
Capacities128GB - 1TB
Form Factors2.5-inch (5mm), 2.5-inch (7mm), mSATA, M.2
CompatibilityCompatible with PC, Mac®, and Linux® systems
Service & Support3-year warranty, periodic firmware updates, award-winning tech support, 24-hour forum support

Two ways to find compatible upgrades

Crucial Advisor tool

If you know  your system's specs, use this tool.

Tell us your system's manufacturer, make, and model, and we’ll provide a list of compatible upgrades that will work best with your system's specs and capabilities.


Crucial System Scanner

If you don't know  your system's specs, use this tool.

Download and use our scanner tool, which will analyze your system's hardware and provide a list of compatible upgrades that will work best with your system's specs and capabilities.


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Using either tool guarantees compatibility when you order on Crucial.com