Crucial BX300 480GB SSD Review

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Linear Write and Real World File Transfer Testing

AIDA64 Disk Benchmark

We’ve had some people ask for AIDA64 linear write tests to be done, so we fired that utility up to see what would happen.

When you take a look at extended sustained write performance you’ll see that the performance falls off after 16GB of writes as that is how large the SLC cache is on this BX300 480GB drive for write acceleration. After that you see that the performance drops down to around 234 MB/s as the data is being written directly to the 3D MLC NAND with brief jumps up to around 423 MB/s. This is a very hard on we stopped the benchmark after writing 100GB of data to the drive without a break.  The write speeds topped out at 496 MB/s with the lows reaching down to 234 MB/s. The average speed is right around 343.3 MB/s.

Real World File Transfer

Before we wrap things up we wanted to see how real-world was when writing a movie folder containing seven 1080P movies over to the SSD. For this test, we are going to simply stress write performance by transferring over a 30.6GB folder of movies off of a PCIe NVMe SSD to the drive being tested to see how performance looks.

When it comes to writing large amounts of data to the Crucial BX300 480GB drive we found a 3.5x improvement over the Crucial BX200 480GB SSD! The Crucial BX300 still has some room for improvement as it is a good ways behind the Crucial MX500. The kicker here is that the Crucial BX300 480GB drive with 3D MLC NAND costs $144.99 shipped and the Crucial MX500 500GB with 3D TLC NAND available for $134.95 shipped.

We’ll talk more about that in the conclusion on the next page.

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