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The MX300 will increase your computer's speed, it will be more durable, and extend it's life. What impresses our customers is how it boots up in seconds and flies through applications like it is a new computer or it has had a CPU upgrade. Your storage drive isn’t just a container, it’s the engine that loads and saves everything you do and use. Get more out of your computer by boosting nearly every aspect of performance.


Instantly improve your computer's speed

What if you could turn on your computer, and it was like switching on a light bulb, it just worked. With Crucial MX300, that is the speed you can access your data – it’s almost instant. This SSD has read speeds of 530 MB/s and write speeds of 510 MB/s1 on all file types, which means when you click on them, you can start using them. If you have been waiting for your computer to catch up to you, time for a Crucial SSD, so you can start traveling in the fast lane.


Over 90x more energy efficient than a typical hard drive

Extreme Energy Efficiency technology within the Crucial MX300 reduces the amount of active power usage that's consumed by the drive. The Crucial MX300 extends your laptop's battery life by using only 0.075W of power, compared to a typical hard drive which uses 6.8W.

mx300 power efficient

Entrust your files to a drive that lasts

With an endurance rating of up to 220TB total bytes written, the Crucial MX300 is engineered with Micron 3D NAND to deliver years of fast performance. The 3D NAND leverages larger NAND cells to improve performance and prolong endurance.
Protect your data with AES 256-bit hardware-based encryption, RAIN technology, Exclusive Data Defense technology, and the durability inherent in SSD design.

mx300 security

Keep your system cool

In addition to lower active power usage, Adaptive Thermal Protection technology dynamically adjusts storage component activity. This helps keep your system cool and minimizes the risk of damage caused by overheating.


Boost drive performance by up to 10x with Crucial Storage Executive

This downloadable tool is easy to use and helps monitor and enhance the performance of your Crucial MX300 – update to the latest firmware and enable the Momentum Cache feature in Storage Executive to instantly improve burst performance. Download the latest version here.

mx300 executive

Crucial MX300 SSD specifications

2.5" (7mm) SSD
Capacity 275GB 525GB 750GB 1TB
Part Number UCA1721 UCA1722 UCA1856 UCA1723
Box Contents 2.5" (7mm) SSD, 7mm to 9.5mm spacer, Acronis True Image HD certificate
Sequential Read MB/s 530 530 530 530
Sequential Write MB/s 500 510 510 510
Random Read IOPS 55k 92k 92k 92k
Random Write IOPS 83k 83k 83k 83k

Micron® quality - a higher level of reliability.

As a brand of Micron, one of the largest flash storage manufacturers in the world, the Crucial MX300 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 pre-release validation testing and hundreds of SSD qualification tests, the Crucial MX300 has been thoroughly tried, tested, and proven. You’ll notice the difference.