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Crucial BX300 240GB SATA III SSD Review (Page 7)

By Jon Coulter from Feb 1, 2018 @ 8:00 CST
TweakTown Rating: 97%Manufacturer: Crucial

Iometer - Maximum IOPS

Version and / or Patch Used: Iometer 2014

We use Iometer to measure high queue depth performance. (No Partition)

Max IOPS Read

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Max IOPS Write

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Crucial specs the BX300 240GB for 95K random write IOPS. Maybe with Windows 7 that's possible, but definitely not with Windows 10. On the other hand, we are exceeding factory max random read specs by over 15K.

Iometer - Disk Response

Version and / or Patch Used: Iometer 2014

We use Iometer to measure disk response times. Disk response times are measured at an industry accepted standard of 4K QD1 for both write and read. Each test runs twice for 30 seconds consecutively, with a 5-second ramp-up before each test. We partition the drive/array as a secondary device for this testing.

Avg. Write Response

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Avg. Read Response

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The BX300 delivers about average response times.

DiskBench - Directory Copy

Version and / or Patch Used: 2.6.2.0

We use DiskBench to time a 28.6GB block (9,882 files in 1,247 folders) composed primarily of incompressible sequential and random data as it's transferred from our DC P3700 PCIe NVME SSD to our test drive. We then read from a 6GB zip file that's part of our 28.6GB data block to determine the test drive's read transfer rate. Our system is restarted prior to the read test to clear any cached data, ensuring an accurate test result.

Write Transfer Rate

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Read Transfer Rate

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When testing write transfer rates we have a rule of thumb. If any SSD cannot achieve 200MB/s with our write transfer test, that SSD will not receive a TweakTown recommendation. There are many TLC SSDs that do not pass our minimum, but we didn't include those on our chart. Additionally, we recently updated to Windows 10 Anniversary Edition and with that update, sustained write performance greatly increased. This means our previous transfer tests cannot be compared with those run on the newer version on Windows 10. This is the reason we only have a few drives on our chart.

Transfer rates are excellent for a 256GB class SSD.

PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:

USUnited States: The Crucial BX300 240GB 3D NAND SATA 2.5 Inch Internal SSD - CT240BX300SSD1 retails for $124.99 at Amazon.com

UKUnited Kingdom: The Crucial BX300 CT240BX300SSD1 240 GB Internal SSD (3D NAND, SATA, 2.5 Inch) retails for £59.99 at Amazon.co.uk

CACanada: The Crucial BX300 240GB SATA III SSD retails for $ CAD at Amazon.ca

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