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.
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.
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.
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).
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.
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.
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.
That is interesting. Few Mac users have been reporting similar issue but for other model, M500 as far as I can remember. How big are the files (data amount) you are trying to write at a time? Is the TRIM enabled on your system?
Currently my osx is having io error on the ssd, then I ran smart utility on the ssd and it shown Failing. Understand that SMART data are for HDD, is the SSD really dying?
I would suggest checking for BIOS update and verifyng storage controller driver version. You can check the driver version with Device manager -> IDE ATA/ATAPI Controllers -> right click on the selected controller -> Properties -> Driver tab
Also I am not sure why your SMART screenshot has not been moderated yet but as for your SMART data it is not likely that all factors exceeded the thresholds. Please post text SMART data from CrystalDiskInfo ('Edit -> Copy' option) just please remove drive's serial number befor posting the data.
DriveDx reported the drive size correctly.
Time to do a fresh install of Yosemeti I guess
Just bought new M550 1024Gb SSD (CT1024M550SSD1). Connected it to SATA port and get the next message every time I turn on my computer:
JMicron Technology Corp. PCI Express to SATAII HOST Controller ROM v1.07.13 Copyright(C) 2005-2009. JMicron Technology Corp. (http://www.jmicron.com) Detecting drives, please wait ...
After about 10 seconds, it detects SSD:
JMicron Technology Corp. PCI Express to SATAII HOST Controller ROM v1.07.13 Copyright(C) 2005-2009. JMicron Technology Corp. (http://www.jmicron.com) HDD0: Crucial_CT1024M550SSD1 1024 GB Press any key to continue ...
After that BIOS shows next information (motherboard ASUS P7P55D, SSD connected to SATA 6). I tried IDE and AHCI, result do not differ. Any ideas what is going on?
Boot -> Hard Disk Drives: