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Crucial M550 1TB SSD Review - Benchmarks - Sequential Performance

By: Chris Ramseyer | SSDs in Storage | Posted: Mar 18, 2014 1:30 pm
TweakTown Rating: 93%Manufacturer: Crucial

HD Tune Pro


Version and / or Patch Used: 4.00

Developer Homepage:

Product Homepage:


HD Tune is a Hard Disk utility which has the following functions:


Benchmark: measures the performance

Info: shows detailed information

Health: checks the health status by using SMART

Error Scan: scans the surface for errors

Temperature display


HD Tune Pro gives us accurate read, write, and access time results and, over the last couple of years, has gained popularity amongst reviewers. It is now considered a must-have application for storage device testing.





The chart shows what we've known for some time; with a file system on the drive and overhead, we've hit the limits of SATA 6Gb/s with sequential performance. The Crucial M550 1TB delivers 454.6 MB/s sequential read on average in HD Tune Pro.




Write performance is where modern SSDs fall short. When the flash isn't in an optimal state, the drive slows when writing data. On average in HD Tune Pro, we scored 345 MB/s in the sequential write test.


HD Tach - Sequential Write Performance after Random Writes




After a light random workload in HD Tune Pro, we ran HD Tach to see how well the M550 held up. HD Tach uses 128KB to test sequential performance. Here we see that both read and write performance leveled off at around 250 MB/s.

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