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When the file size is lower than 4 KB, the read and write speeds will decrease significantly. In ATTO Disk Benchmark, a similar result can be observed. This is to be expected for a traditional hard drive to deal with random operations, due to the limitation of the read/write head moving across the platter. Its speeds dropped to 0.388 MB/s and 1.295 MB/s for read and write. However, the hard drive did not do well in 4KB random read and write. PerformanceĪs we can see, in CrystalDiskMark, the WD Blue 1TB HDD performs as advertised in sequential read and write speeds, at about 142.8 MB/s and 159.8 MB/s respectively. AS SSD Benchmark can provide both normal read/write speed and the IOPS performance of the drive. ATTO Disk Benchmark can test how the drive performs across different transfer block sizes, mostly in a sequential environment.

They are CrystalDiskMark, ATTO Disk Benchmark, as well as AS SSD Benchmark.ĬrystalDiskMark can measure both sequential and random 4KB read/write speeds with a queue depth of 32. To test the performance of the hard drive, we use three well-established storage benchmarking softwares. Standard mounting holes are at both the bottom and the sides. The printed circuit board (PCB) is located at the back of the drive, with the Serial ATA 6 Gb/s (SATA) connector. The WD Blue HDD lineup also offers different capacities, from 500 GB up to 6 TB.Īll information is printed on the top of the drive, including the model number, drive capacity and serial number. It is rated to transfer data at 150 MB/s.

The drive spins at 7200 RPM with a single platter. The WD Blue 1 TB hard drive is designed for normal desktop use, using the 3.5-inch form factor. Specifications Western Digital Blue 1TB HDD (10EZEX) The Western Digital Blue 1TB HDD is one of the top choices in the PC community. To keep the cost down, a lot of people now will include a small SSD for the operating system and frequently used applications, and a large HDD for other files in their PC builds. Although solid-state drives (SSD) are gaining popularity quickly in mainstream computers, their capacities are no where near a normal mechanical hard drive (HDD).